diff --git a/bridges/BlaguesDeMerdeBridge.php b/bridges/BlaguesDeMerdeBridge.php
index 25c018a..3ae59a1 100644
--- a/bridges/BlaguesDeMerdeBridge.php
+++ b/bridges/BlaguesDeMerdeBridge.php
@@ -19,7 +19,7 @@ class BlaguesDeMerdeBridge extends BridgeAbstract {
 				$item['content'] = trim($element->find('div.joke_text_contener', 0)->innertext);
 				$uri = $temp[2]->href;
 				$item['uri'] = $uri;
-				$item['title'] = substr($uri, (strrpos($uri, "/") + 1));
+				$item['title'] = substr($uri, (strrpos($uri, '/') + 1));
 				$date = $element->find('li.bdm_date', 0)->innertext;
 				$time = mktime(0, 0, 0, substr($date, 3, 2), substr($date, 0, 2), substr($date, 6, 4));
 				$item['timestamp'] = $time;
diff --git a/bridges/CADBridge.php b/bridges/CADBridge.php
index 09e3e65..e88cbbb 100644
--- a/bridges/CADBridge.php
+++ b/bridges/CADBridge.php
@@ -23,14 +23,14 @@ class CADBridge extends FeedExpander {
 		if($html3 == false)
 			return 'Daily comic not released yet';
 
-		$htmlpart = explode("/", $url);
+		$htmlpart = explode('/', $url);
 
 		switch ($htmlpart[3]) {
 			case 'cad':
-				preg_match_all("/http:\/\/cdn2\.cad-comic\.com\/comics\/cad-\S*png/", $html3, $url2);
+				preg_match_all('/http:\/\/cdn2\.cad-comic\.com\/comics\/cad-\S*png/', $html3, $url2);
 				break;
 			case 'sillies':
-				preg_match_all("/http:\/\/cdn2\.cad-comic\.com\/comics\/sillies-\S*gif/", $html3, $url2);
+				preg_match_all('/http:\/\/cdn2\.cad-comic\.com\/comics\/sillies-\S*gif/', $html3, $url2);
 				break;
 			default:
 				return 'Daily comic not released yet';
diff --git a/bridges/CopieDoubleBridge.php b/bridges/CopieDoubleBridge.php
index 767cdce..3545c6f 100644
--- a/bridges/CopieDoubleBridge.php
+++ b/bridges/CopieDoubleBridge.php
@@ -25,7 +25,7 @@ class CopieDoubleBridge extends BridgeAbstract {
 			} elseif(strpos($element->innertext, '/images/suivant.gif') === false) {
 				$a = $element->find('a', 0);
 				$item['uri'] = self::URI . $a->href;
-				$content = str_replace('src="/', 'src="/' . self::URI, $element->find("td", 0)->innertext);
+				$content = str_replace('src="/', 'src="/' . self::URI, $element->find('td', 0)->innertext);
 				$content = str_replace('href="/', 'href="' . self::URI, $content);
 				$item['content'] = $content;
 				$this->items[] = $item;
diff --git a/bridges/CourrierInternationalBridge.php b/bridges/CourrierInternationalBridge.php
index 1573863..1e7c93e 100644
--- a/bridges/CourrierInternationalBridge.php
+++ b/bridges/CourrierInternationalBridge.php
@@ -11,7 +11,7 @@ class CourrierInternationalBridge extends BridgeAbstract {
 		$html = getSimpleHTMLDOM(self::URI)
 			or returnServerError('Error.');
 
-		$element = $html->find("article");
+		$element = $html->find('article');
 		$article_count = 1;
 
 		foreach($element as $article) {
diff --git a/bridges/CpasbienBridge.php b/bridges/CpasbienBridge.php
index 19efd84..f9b4b50 100644
--- a/bridges/CpasbienBridge.php
+++ b/bridges/CpasbienBridge.php
@@ -16,7 +16,7 @@ class CpasbienBridge extends BridgeAbstract {
 	));
 
 	public function collectData(){
-		$request = str_replace(" ", "-", trim($this->getInput('q')));
+		$request = str_replace(' ', '-', trim($this->getInput('q')));
 		$html = getSimpleHTMLDOM(self::URI . '/recherche/' . urlencode($request) . '.html')
 			or returnServerError('No results for this query.');
 
diff --git a/bridges/DanbooruBridge.php b/bridges/DanbooruBridge.php
index 36b8c08..82f2167 100644
--- a/bridges/DanbooruBridge.php
+++ b/bridges/DanbooruBridge.php
@@ -41,7 +41,7 @@ class DanbooruBridge extends BridgeAbstract {
 
 		$item = array();
 		$item['uri'] = $element->find('a', 0)->href;
-		$item['postid'] = (int)preg_replace("/[^0-9]/", '', $element->getAttribute(static::IDATTRIBUTE));
+		$item['postid'] = (int)preg_replace('/[^0-9]/', '', $element->getAttribute(static::IDATTRIBUTE));
 		$item['timestamp'] = time();
 		$thumbnailUri = $element->find('img', 0)->src;
 		$item['tags'] = $this->getTags($element);
diff --git a/bridges/DemoBridge.php b/bridges/DemoBridge.php
index ea2088e..f48b451 100644
--- a/bridges/DemoBridge.php
+++ b/bridges/DemoBridge.php
@@ -35,11 +35,11 @@ class DemoBridge extends BridgeAbstract {
 	public function collectData(){
 
 		$item = array();
-		$item['author'] = "Me!";
-		$item['title'] = "Test";
-		$item['content'] = "Awesome content !";
-		$item['id'] = "Lalala";
-		$item['uri'] = "http://example.com/test";
+		$item['author'] = 'Me!';
+		$item['title'] = 'Test';
+		$item['content'] = 'Awesome content !';
+		$item['id'] = 'Lalala';
+		$item['uri'] = 'http://example.com/test';
 
 		$this->items[] = $item;
 	}
diff --git a/bridges/DiscogsBridge.php b/bridges/DiscogsBridge.php
index 1fa5840..9fe4f51 100644
--- a/bridges/DiscogsBridge.php
+++ b/bridges/DiscogsBridge.php
@@ -42,59 +42,59 @@ class DiscogsBridge extends BridgeAbstract {
 		if(!empty($this->getInput('artistid')) || !empty($this->getInput('labelid'))) {
 
 			if(!empty($this->getInput('artistid'))) {
-				$data = getContents("https://api.discogs.com/artists/"
+				$data = getContents('https://api.discogs.com/artists/'
 						. $this->getInput('artistid')
-						. "/releases?sort=year&sort_order=desc")
-						or returnServerError("Unable to query discogs !");
+						. '/releases?sort=year&sort_order=desc')
+						or returnServerError('Unable to query discogs !');
 			} elseif(!empty($this->getInput('labelid'))) {
-				$data = getContents("https://api.discogs.com/labels/"
+				$data = getContents('https://api.discogs.com/labels/'
 						. $this->getInput('labelid')
-						. "/releases?sort=year&sort_order=desc")
-						or returnServerError("Unable to query discogs !");
+						. '/releases?sort=year&sort_order=desc')
+						or returnServerError('Unable to query discogs !');
 			}
 
 			$jsonData = json_decode($data, true);
-			foreach($jsonData["releases"] as $release) {
+			foreach($jsonData['releases'] as $release) {
 
 				$item = array();
-				$item["author"] = $release["artist"];
-				$item["title"] = $release["title"];
-				$item["id"] = $release["id"];
-				$resId = array_key_exists("main_release", $release) ? $release["main_release"] : $release["id"];
-				$item["uri"] = self::URI . $this->getInput('artistid') . "/release/" . $resId;
-				$item["timestamp"] = DateTime::createFromFormat("Y", $release["year"])->getTimestamp();
-				$item["content"] = $item["author"] . " - " . $item["title"];
+				$item['author'] = $release['artist'];
+				$item['title'] = $release['title'];
+				$item['id'] = $release['id'];
+				$resId = array_key_exists('main_release', $release) ? $release['main_release'] : $release['id'];
+				$item['uri'] = self::URI . $this->getInput('artistid') . '/release/' . $resId;
+				$item['timestamp'] = DateTime::createFromFormat('Y', $release['year'])->getTimestamp();
+				$item['content'] = $item['author'] . ' - ' . $item['title'];
 				$this->items[] = $item;
 			}
 
-		} elseif(!empty($this->getInput("username_wantlist")) || !empty($this->getInput("username_folder"))) {
+		} elseif(!empty($this->getInput('username_wantlist')) || !empty($this->getInput('username_folder'))) {
 
-			if(!empty($this->getInput("username_wantlist"))) {
-				$data = getContents("https://api.discogs.com/users/"
+			if(!empty($this->getInput('username_wantlist'))) {
+				$data = getContents('https://api.discogs.com/users/'
 						. $this->getInput('username_wantlist')
-						. "/wants?sort=added&sort_order=desc")
-						or returnServerError("Unable to query discogs !");
-				$jsonData = json_decode($data, true)["wants"];
+						. '/wants?sort=added&sort_order=desc')
+						or returnServerError('Unable to query discogs !');
+				$jsonData = json_decode($data, true)['wants'];
 
-			} elseif(!empty($this->getInput("username_folder"))) {
-				$data = getContents("https://api.discogs.com/users/"
+			} elseif(!empty($this->getInput('username_folder'))) {
+				$data = getContents('https://api.discogs.com/users/'
 						. $this->getInput('username_folder')
-						. "/collection/folders/"
-						. $this->getInput("folderid")
-						."/releases?sort=added&sort_order=desc")
-						or returnServerError("Unable to query discogs !");
-				$jsonData = json_decode($data, true)["releases"];
+						. '/collection/folders/'
+						. $this->getInput('folderid')
+						.'/releases?sort=added&sort_order=desc')
+						or returnServerError('Unable to query discogs !');
+				$jsonData = json_decode($data, true)['releases'];
 			}
 			foreach($jsonData as $element) {
 
-				$infos = $element["basic_information"];
+				$infos = $element['basic_information'];
 				$item = array();
-				$item["title"] = $infos["title"];
-				$item["author"] = $infos["artists"][0]["name"];
-				$item["id"] = $infos["artists"][0]["id"];
-				$item["uri"] = self::URI . $infos["artists"][0]["id"] . "/release/" . $infos["id"];
-				$item["timestamp"] = strtotime($element["date_added"]);
-				$item["content"] = $item["author"] . " - " . $item["title"];
+				$item['title'] = $infos['title'];
+				$item['author'] = $infos['artists'][0]['name'];
+				$item['id'] = $infos['artists'][0]['id'];
+				$item['uri'] = self::URI . $infos['artists'][0]['id'] . '/release/' . $infos['id'];
+				$item['timestamp'] = strtotime($element['date_added']);
+				$item['content'] = $item['author'] . ' - ' . $item['title'];
 				$this->items[] = $item;
 
 			}
diff --git a/bridges/ETTVBridge.php b/bridges/ETTVBridge.php
index 6da6d5e..ab90bf7 100644
--- a/bridges/ETTVBridge.php
+++ b/bridges/ETTVBridge.php
@@ -1,7 +1,7 @@
 <?php
 class ETTVBridge extends BridgeAbstract {
 
-	const MAINTAINER = "GregThib";
+	const MAINTAINER = 'GregThib';
 	const NAME = 'ETTV';
 	const URI = 'https://www.ettv.tv/';
 	const DESCRIPTION = 'Returns list of 20 latest torrents for a specific search.';
@@ -113,7 +113,7 @@ class ETTVBridge extends BridgeAbstract {
 			$entry = $element->find('td', 1)->find('a', 0);
 
 			// retrieve result page to get more details
-			$link = rtrim(self::URI, "/") . $entry->href;
+			$link = rtrim(self::URI, '/') . $entry->href;
 			$page = getSimpleHTMLDOM($link)
 				or returnServerError('Could not request page ' . $link);
 
diff --git a/bridges/EZTVBridge.php b/bridges/EZTVBridge.php
index 4fb9e57..c016ff3 100644
--- a/bridges/EZTVBridge.php
+++ b/bridges/EZTVBridge.php
@@ -1,7 +1,7 @@
 <?php
 class EZTVBridge extends BridgeAbstract {
 
-	const MAINTAINER = "alexAubin";
+	const MAINTAINER = 'alexAubin';
 	const NAME = 'EZTV';
 	const URI = 'https://eztv.ch/';
 	const DESCRIPTION = 'Returns list of *recent* torrents for a specific show
@@ -23,15 +23,15 @@ on EZTV. Get showID from URLs in https://eztv.ch/shows/showID/show-full-name.';
 			$relativeDays = 0;
 			$relativeHours = 0;
 
-			foreach(explode(" ", $relativeReleaseTime) as $relativeTimeElement) {
-				if(substr($relativeTimeElement, -1) == "d") $relativeDays = substr($relativeTimeElement, 0, -1);
-				if(substr($relativeTimeElement, -1) == "h") $relativeHours = substr($relativeTimeElement, 0, -1);
+			foreach(explode(' ', $relativeReleaseTime) as $relativeTimeElement) {
+				if(substr($relativeTimeElement, -1) == 'd') $relativeDays = substr($relativeTimeElement, 0, -1);
+				if(substr($relativeTimeElement, -1) == 'h') $relativeHours = substr($relativeTimeElement, 0, -1);
 			}
 			return mktime(date('h') - $relativeHours, 0, 0, date('m'), date('d') - $relativeDays, date('Y'));
 		}
 
 		// Loop on show ids
-		$showList = explode(",", $this->getInput('i'));
+		$showList = explode(',', $this->getInput('i'));
 		foreach($showList as $showID) {
 
 			// Get show page
diff --git a/bridges/FB2Bridge.php b/bridges/FB2Bridge.php
index 7d78b87..d8fb6b4 100644
--- a/bridges/FB2Bridge.php
+++ b/bridges/FB2Bridge.php
@@ -103,19 +103,19 @@ EOD;
 		$html = $this->buildContent($fileContent);
 		$author = $this->getInput('u');
 
-		foreach($html->find("article") as $content) {
+		foreach($html->find('article') as $content) {
 
 			$item = array();
 
-			$item['uri'] = "http://touch.facebook.com"
-			. $content->find("div[class='_52jc _5qc4 _24u0 _36xo']", 0)->find("a", 0)->getAttribute("href");
+			$item['uri'] = 'http://touch.facebook.com'
+			. $content->find("div[class='_52jc _5qc4 _24u0 _36xo']", 0)->find('a', 0)->getAttribute('href');
 
-			if($content->find("header", 0) !== null) {
-				$content->find("header", 0)->innertext = "";
+			if($content->find('header', 0) !== null) {
+				$content->find('header', 0)->innertext = '';
 			}
 
-			if($content->find("footer", 0) !== null) {
-				$content->find("footer", 0)->innertext = "";
+			if($content->find('footer', 0) !== null) {
+				$content->find('footer', 0)->innertext = '';
 			}
 
 			//Remove html nodes, keep only img, links, basic formatting
@@ -168,7 +168,7 @@ EOD;
 		$regex = implode(
 			'',
 			array(
-				"/timeline_unit",
+				'/timeline_unit',
 				"\\\\\\\\u00253A1",
 				"\\\\\\\\u00253A([0-9]*)",
 				"\\\\\\\\u00253A([0-9]*)",
@@ -182,18 +182,18 @@ EOD;
 		return implode(
 			'',
 			array(
-				"https://touch.facebook.com/pages_reaction_units/more/?page_id=",
+				'https://touch.facebook.com/pages_reaction_units/more/?page_id=',
 				$pageID,
-				"&cursor=%7B%22timeline_cursor%22%3A%22timeline_unit%3A1%3A",
+				'&cursor=%7B%22timeline_cursor%22%3A%22timeline_unit%3A1%3A',
 				$result[1],
-				"%3A",
+				'%3A',
 				$result[2],
-				"%3A",
+				'%3A',
 				$result[3],
-				"%3A",
+				'%3A',
 				$result[4],
-				"%22%2C%22timeline_section_cursor%22%3A%7B%7D%2C%22",
-				"has_next_page%22%3Atrue%7D&surface=mobile_page_home&unit_count=3"
+				'%22%2C%22timeline_section_cursor%22%3A%7B%7D%2C%22',
+				'has_next_page%22%3Atrue%7D&surface=mobile_page_home&unit_count=3'
 			)
 		);
 	}
@@ -201,7 +201,7 @@ EOD;
 	//Builds the HTML from the encoded JS that Facebook provides.
 	private function buildContent($pageContent){
 
-		$regex = "/\\\"html\\\":\\\"(.*?)\\\",\\\"replace/";
+		$regex = '/\\"html\\":\\"(.*?)\\",\\"replace/';
 		preg_match($regex, $pageContent, $result);
 
 		return str_get_html(html_entity_decode(json_decode('"' . $result[1] . '"')));
@@ -214,7 +214,7 @@ EOD;
 
 		$ctx = stream_context_create(array(
 			'http' => array(
-				'user_agent' => "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0",
+				'user_agent' => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0',
 				'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
 				)
 			)
@@ -222,12 +222,12 @@ EOD;
 		$a = file_get_contents($pageURL, 0, $ctx);
 
 		//First request to get the cookie
-		$cookies = "";
+		$cookies = '';
 		foreach($http_response_header as $hdr) {
-			if(strpos($hdr, "Set-Cookie") !== false) {
-				$cLine = explode(":", $hdr)[1];
-				$cLine = explode(";", $cLine)[0];
-				$cookies .= ";" . $cLine;
+			if(strpos($hdr, 'Set-Cookie') !== false) {
+				$cLine = explode(':', $hdr)[1];
+				$cLine = explode(';', $cLine)[0];
+				$cookies .= ';' . $cLine;
 			}
 		}
 
@@ -239,7 +239,7 @@ EOD;
 
 		$context = stream_context_create(array(
 			'http' => array(
-				'user_agent' => "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0",
+				'user_agent' => 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0',
 				'header' => 'Cookie: ' . $cookies
 				)
 			)
@@ -247,12 +247,12 @@ EOD;
 
 		$pageContent = file_get_contents($page, 0, $context);
 
-		if(strpos($pageContent, "signup-button") != false) {
+		if(strpos($pageContent, 'signup-button') != false) {
 			return -1;
 		}
 
 		//Get the page ID if we don't have a captcha
-		$regex = "/page_id=([0-9]*)&/";
+		$regex = '/page_id=([0-9]*)&/';
 		preg_match($regex, $pageContent, $matches);
 
 		if(count($matches) > 0) {
@@ -260,7 +260,7 @@ EOD;
 		}
 
 		//Get the page ID if we do have a captcha
-		$regex = "/\"pageID\":\"([0-9]*)\"/";
+		$regex = '/"pageID":"([0-9]*)"/';
 		preg_match($regex, $pageContent, $matches);
 
 		return $matches[1];
diff --git a/bridges/FacebookBridge.php b/bridges/FacebookBridge.php
index ce3275e..4771225 100644
--- a/bridges/FacebookBridge.php
+++ b/bridges/FacebookBridge.php
@@ -102,7 +102,7 @@ class FacebookBridge extends BridgeAbstract {
 			if (isset($_SESSION['captcha_fields'], $_SESSION['captcha_action'])) {
 				$captcha_action = $_SESSION['captcha_action'];
 				$captcha_fields = $_SESSION['captcha_fields'];
-				$captcha_fields['captcha_response'] = preg_replace("/[^a-zA-Z0-9]+/", "", $_POST['captcha_response']);
+				$captcha_fields['captcha_response'] = preg_replace('/[^a-zA-Z0-9]+/', '', $_POST['captcha_response']);
 
 				$header = array("Content-type:
 application/x-www-form-urlencoded\r\nReferer: $captcha_action\r\nCookie: noscript=1\r\n");
@@ -153,11 +153,11 @@ application/x-www-form-urlencoded\r\nReferer: $captcha_action\r\nCookie: noscrip
 			} else {
 
 				// First character cannot be a forward slash
-				if(strpos($this->getInput('u'), "/") === 0) {
+				if(strpos($this->getInput('u'), '/') === 0) {
 					returnClientError('Remove leading slash "/" from the username!');
 				}
 
-				if(!strpos($this->getInput('u'), "/")) {
+				if(!strpos($this->getInput('u'), '/')) {
 					$html = getSimpleHTMLDOM(self::URI . urlencode($this->getInput('u')) . '?_fb_noscript=1', $header)
 						or returnServerError('No results for this query.');
 				} else {
@@ -305,7 +305,7 @@ EOD;
 						);
 
 						//Retrieve date of the post
-						$date = $post->find("abbr")[0];
+						$date = $post->find('abbr')[0];
 						if(isset($date) && $date->hasAttribute('data-utime')) {
 							$date = $date->getAttribute('data-utime');
 						} else {
diff --git a/bridges/FootitoBridge.php b/bridges/FootitoBridge.php
index ac06cd5..22aead4 100644
--- a/bridges/FootitoBridge.php
+++ b/bridges/FootitoBridge.php
@@ -15,47 +15,47 @@ class FootitoBridge extends BridgeAbstract {
 
 			$content = trim($element->innertext);
 			$content = str_replace(
-				"<img",
+				'<img',
 				"<img style='float : left;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"logo\"",
+				'class="logo"',
 				"style='float : left;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"contenu\"",
+				'class="contenu"',
 				"style='margin-left : 60px;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"responsive-comment\"",
+				'class="responsive-comment"',
 				"style='border-top : 1px #DDD solid; background-color : white; padding : 10px;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"jaime\"",
+				'class="jaime"',
 				"style='display : none;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"auteur-event responsive\"",
+				'class="auteur-event responsive"',
 				"style='display : none;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"report-abuse-button\"",
+				'class="report-abuse-button"',
 				"style='display : none;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"reaction clearfix\"",
+				'class="reaction clearfix"',
 				"style='margin : 10px 0px; padding : 5px; border-bottom : 1px #DDD solid;'",
 				$content );
 
 			$content = str_replace(
-				"class=\"infos\"",
+				'class="infos"',
 				"style='font-size : 0.7em;'",
 				$content );
 
diff --git a/bridges/FourchanBridge.php b/bridges/FourchanBridge.php
index 6aaa13e..ecd9d90 100644
--- a/bridges/FourchanBridge.php
+++ b/bridges/FourchanBridge.php
@@ -30,7 +30,7 @@ class FourchanBridge extends BridgeAbstract {
 	public function collectData(){
 
 		$html = getSimpleHTMLDOM($this->getURI())
-			or returnServerError("Could not request 4chan, thread not found");
+			or returnServerError('Could not request 4chan, thread not found');
 
 		foreach($html->find('div.postContainer') as $element) {
 			$item = array();
diff --git a/bridges/GithubIssueBridge.php b/bridges/GithubIssueBridge.php
index 4f121d8..0ed775d 100644
--- a/bridges/GithubIssueBridge.php
+++ b/bridges/GithubIssueBridge.php
@@ -106,7 +106,7 @@ class GithubIssueBridge extends BridgeAbstract {
 			$content = $comment->parent()->innertext;
 		} else {
 			$title .= ' / ' . trim($comment->firstChild()->plaintext);
-			$content = "<pre>" . $comment->find('.comment-body', 0)->innertext . "</pre>";
+			$content = '<pre>' . $comment->find('.comment-body', 0)->innertext . '</pre>';
 		}
 
 		$item = array();
diff --git a/bridges/GoComicsBridge.php b/bridges/GoComicsBridge.php
index 7a103f4..3223d19 100644
--- a/bridges/GoComicsBridge.php
+++ b/bridges/GoComicsBridge.php
@@ -19,26 +19,26 @@ class GoComicsBridge extends BridgeAbstract {
 			or returnServerError('Could not request GoComics: ' . $this->getURI());
 
 		//Get info from first page
-		$author = preg_replace('/By /', '', $html->find(".media-subheading", 0)->plaintext);
+		$author = preg_replace('/By /', '', $html->find('.media-subheading', 0)->plaintext);
 
-		$link = self::URI . $html->find(".gc-deck--cta-0", 0)->find('a', 0)->href;
+		$link = self::URI . $html->find('.gc-deck--cta-0', 0)->find('a', 0)->href;
 		for($i = 0; $i < 5; $i++) {
 
 			$item = array();
 
 			$page = getSimpleHTMLDOM($link)
 				or returnServerError('Could not request GoComics: ' . $link);
-			$imagelink = $page->find(".img-fluid", 1)->src;
-			$date = explode("/", $link);
+			$imagelink = $page->find('.img-fluid', 1)->src;
+			$date = explode('/', $link);
 
 			$item['id'] = $imagelink;
 			$item['uri'] = $link;
 			$item['author'] = $author;
 			$item['title'] = 'GoComics ' . $this->getInput('comicname');
-			$item['timestamp'] = DateTime::createFromFormat("Ymd", $date[5] . $date[6] . $date[7])->getTimestamp();
+			$item['timestamp'] = DateTime::createFromFormat('Ymd', $date[5] . $date[6] . $date[7])->getTimestamp();
 			$item['content'] = '<img src="' . $imagelink . '" />';
 
-			$link = self::URI . $page->find(".js-previous-comic", 0)->href;
+			$link = self::URI . $page->find('.js-previous-comic', 0)->href;
 			$this->items[] = $item;
 		}
 	}
diff --git a/bridges/GoogleSearchBridge.php b/bridges/GoogleSearchBridge.php
index 2c4a5f1..2eb5841 100644
--- a/bridges/GoogleSearchBridge.php
+++ b/bridges/GoogleSearchBridge.php
@@ -17,7 +17,7 @@ class GoogleSearchBridge extends BridgeAbstract {
 
 	const PARAMETERS = array(array(
 		'q' => array(
-			'name' => "keyword",
+			'name' => 'keyword',
 			'required' => true
 		)
 	));
diff --git a/bridges/InstagramBridge.php b/bridges/InstagramBridge.php
index c763128..2539da2 100644
--- a/bridges/InstagramBridge.php
+++ b/bridges/InstagramBridge.php
@@ -85,7 +85,7 @@ class InstagramBridge extends BridgeAbstract {
 				$item['content'] = $data[0];
 				$item['enclosures'] = $data[1];
 			} else {
-				$item['content'] = '<img src="' . htmlentities($media->display_url) . '" alt="'. $item["title"] . '" />';
+				$item['content'] = '<img src="' . htmlentities($media->display_url) . '" alt="'. $item['title'] . '" />';
 				$item['enclosures'] = array($media->display_url);
 			}
 
diff --git a/bridges/KununuBridge.php b/bridges/KununuBridge.php
index e99e135..c0cf68a 100644
--- a/bridges/KununuBridge.php
+++ b/bridges/KununuBridge.php
@@ -135,8 +135,8 @@ class KununuBridge extends BridgeAbstract {
 	* Encodes unmlauts in the given text
 	*/
 	private function encodeUmlauts($text){
-		$umlauts = Array("/ä/","/ö/","/ü/","/Ä/","/Ö/","/Ü/","/ß/");
-		$replace = Array("ae","oe","ue","Ae","Oe","Ue","ss");
+		$umlauts = Array('/ä/','/ö/','/ü/','/Ä/','/Ö/','/Ü/','/ß/');
+		$replace = Array('ae','oe','ue','Ae','Oe','Ue','ss');
 
 		return preg_replace($umlauts, $replace, $text);
 	}
diff --git a/bridges/LeBonCoinBridge.php b/bridges/LeBonCoinBridge.php
index d4da546..bb89d61 100644
--- a/bridges/LeBonCoinBridge.php
+++ b/bridges/LeBonCoinBridge.php
@@ -172,7 +172,7 @@ region, and optionally a category and a keyword .';
 			if($content_image !== null) {
 				$content = '<img src="' . $content_image->getAttribute('data-imgsrc') . '" alt="thumbnail">';
 			} else {
-				$content = "";
+				$content = '';
 			}
 			$date = $element->find('aside.item_absolute', 0)->find('p.item_sup', 0);
 
diff --git a/bridges/LesJoiesDuCodeBridge.php b/bridges/LesJoiesDuCodeBridge.php
index 34145a1..5f61f95 100644
--- a/bridges/LesJoiesDuCodeBridge.php
+++ b/bridges/LesJoiesDuCodeBridge.php
@@ -22,16 +22,16 @@ class LesJoiesDuCodeBridge extends BridgeAbstract {
 			// retrieve .gif instead of static .jpg
 			$images = $temp->find('p img');
 			foreach($images as $image) {
-				$img_src = str_replace(".jpg", ".gif", $image->src);
+				$img_src = str_replace('.jpg', '.gif', $image->src);
 				$image->src = $img_src;
 			}
 			$content = $temp->innertext;
 
 			$auteur = $temp->find('i', 0);
-			$pos = strpos($auteur->innertext, "by");
+			$pos = strpos($auteur->innertext, 'by');
 
 			if($pos > 0) {
-				$auteur = trim(str_replace("*/", "", substr($auteur->innertext, ($pos + 2))));
+				$auteur = trim(str_replace('*/', '', substr($auteur->innertext, ($pos + 2))));
 				$item['author'] = $auteur;
 			}
 
diff --git a/bridges/MangareaderBridge.php b/bridges/MangareaderBridge.php
index cd7dddc..9153706 100644
--- a/bridges/MangareaderBridge.php
+++ b/bridges/MangareaderBridge.php
@@ -100,7 +100,7 @@ class MangareaderBridge extends BridgeAbstract {
 		case 'Get popular mangas':
 			// Find manga name within "Popular mangas for ..."
 			$pagetitle = $xpath->query(".//*[@id='bodyalt']/h1")->item(0)->nodeValue;
-			$this->request = substr($pagetitle, 0, strrpos($pagetitle, " -"));
+			$this->request = substr($pagetitle, 0, strrpos($pagetitle, ' -'));
 			$this->getPopularMangas($xpath);
 			break;
 		case 'Get manga updates':
@@ -120,7 +120,7 @@ class MangareaderBridge extends BridgeAbstract {
 		// Return some dummy-data if no content available
 		if(empty($this->items)) {
 			$item = array();
-			$item['content'] = "<p>No updates available</p>";
+			$item['content'] = '<p>No updates available</p>';
 
 			$this->items[] = $item;
 		}
@@ -143,18 +143,18 @@ class MangareaderBridge extends BridgeAbstract {
 				$item['title'] = htmlspecialchars($manga->nodeValue);
 
 				// Add each chapter to the feed
-				$item['content'] = "";
+				$item['content'] = '';
 
 				foreach ($chapters as $chapter) {
-					if($item['content'] <> "") {
-						$item['content'] .= "<br>";
+					if($item['content'] <> '') {
+						$item['content'] .= '<br>';
 					}
 					$item['content'] .= "<a href='"
 						. self::URI
 						. htmlspecialchars($chapter->getAttribute('href'))
 						. "'>"
 						. htmlspecialchars($chapter->nodeValue)
-						. "</a>";
+						. '</a>';
 				}
 
 				$this->items[] = $item;
@@ -211,13 +211,13 @@ EOD;
 
 		foreach ($chapters as $chapter) {
 			$item = array();
-			$item['title'] = htmlspecialchars($xpath->query("td[1]", $chapter)
+			$item['title'] = htmlspecialchars($xpath->query('td[1]', $chapter)
 				->item(0)
 				->nodeValue);
-			$item['uri'] = self::URI . $xpath->query("td[1]/a", $chapter)
+			$item['uri'] = self::URI . $xpath->query('td[1]/a', $chapter)
 				->item(0)
 				->getAttribute('href');
-			$item['timestamp'] = strtotime($xpath->query("td[2]", $chapter)
+			$item['timestamp'] = strtotime($xpath->query('td[2]', $chapter)
 				->item(0)
 				->nodeValue);
 			array_unshift($this->items, $item);
@@ -227,12 +227,12 @@ EOD;
 	public function getURI(){
 		switch($this->queriedContext) {
 		case 'Get latest updates':
-			$path = "latest";
+			$path = 'latest';
 			break;
 		case 'Get popular mangas':
-			$path = "popular";
-			if($this->getInput('category') !== "all") {
-				$path .= "/" . $this->getInput('category');
+			$path = 'popular';
+			if($this->getInput('category') !== 'all') {
+				$path .= '/' . $this->getInput('category');
 			}
 			break;
 		case 'Get manga updates':
diff --git a/bridges/NasaApodBridge.php b/bridges/NasaApodBridge.php
index 74fd219..8e293e0 100644
--- a/bridges/NasaApodBridge.php
+++ b/bridges/NasaApodBridge.php
@@ -12,7 +12,7 @@ class NasaApodBridge extends BridgeAbstract {
 		$html = getSimpleHTMLDOM(self::URI . 'archivepix.html')
 			or returnServerError('Error while downloading the website content');
 
-		$list = explode("<br>", $html->find('b', 0)->innertext);
+		$list = explode('<br>', $html->find('b', 0)->innertext);
 
 		for($i = 0; $i < 3; $i++) {
 			$line = $list[$i];
@@ -32,7 +32,7 @@ class NasaApodBridge extends BridgeAbstract {
 			$explanation = $picture_html->find('p', 2)->innertext;
 
 			//Extract date from the picture page
-			$date = explode(" ", $picture_html->find('p', 1)->innertext);
+			$date = explode(' ', $picture_html->find('p', 1)->innertext);
 			$item['timestamp'] = strtotime($date[4] . $date[3] . $date[2]);
 
 			//Other informations
diff --git a/bridges/NotAlwaysBridge.php b/bridges/NotAlwaysBridge.php
index 45727a7..f5efff4 100644
--- a/bridges/NotAlwaysBridge.php
+++ b/bridges/NotAlwaysBridge.php
@@ -49,7 +49,7 @@ class NotAlwaysBridge extends BridgeAbstract {
 
 		public function getURI(){
 				if(!is_null($this->getInput('filter'))) {
-						return self::URI . $this->getInput('filter') . "/";
+						return self::URI . $this->getInput('filter') . '/';
 				}
 
 				return parent::getURI();
diff --git a/bridges/PinterestBridge.php b/bridges/PinterestBridge.php
index 7eeafc1..d2dd890 100644
--- a/bridges/PinterestBridge.php
+++ b/bridges/PinterestBridge.php
@@ -44,7 +44,7 @@ class PinterestBridge extends FeedExpander {
 		$pattern = '/https\:\/\/i\.pinimg\.com\/[a-zA-Z0-9]*x\//';
 		foreach($this->items as $item) {
 
-			$item["content"] = preg_replace($pattern, 'https://i.pinimg.com/originals/', $item["content"]);
+			$item['content'] = preg_replace($pattern, 'https://i.pinimg.com/originals/', $item['content']);
 			$newitems[] = $item;
 		}
 		$this->items = $newitems;
@@ -64,10 +64,10 @@ class PinterestBridge extends FeedExpander {
 			// provide even less info. Thus we attempt multiple options.
 			$item['title'] = trim($result['title']);
 
-			if($item['title'] === "")
+			if($item['title'] === '')
 				$item['title'] = trim($result['rich_summary']['display_name']);
 
-			if($item['title'] === "")
+			if($item['title'] === '')
 				$item['title'] = trim($result['grid_description']);
 
 			$item['timestamp'] = strtotime($result['created_at']);
diff --git a/bridges/PixivBridge.php b/bridges/PixivBridge.php
index 2f15b4b..3a4cc93 100644
--- a/bridges/PixivBridge.php
+++ b/bridges/PixivBridge.php
@@ -33,40 +33,40 @@ class PixivBridge extends BridgeAbstract {
 			$count++;
 
 			$item = array();
-			$item["id"] = $result["illustId"];
-			$item["uri"] = "https://www.pixiv.net/member_illust.php?mode=medium&illust_id=" . $result["illustId"];
-			$item["title"] = $result["illustTitle"];
-			$item["author"] = $result["userName"];
+			$item['id'] = $result['illustId'];
+			$item['uri'] = 'https://www.pixiv.net/member_illust.php?mode=medium&illust_id=' . $result['illustId'];
+			$item['title'] = $result['illustTitle'];
+			$item['author'] = $result['userName'];
 
-			preg_match_all($timeRegex, $result["url"], $dt, PREG_SET_ORDER, 0);
-			$elementDate = DateTime::createFromFormat("YmdHis",
+			preg_match_all($timeRegex, $result['url'], $dt, PREG_SET_ORDER, 0);
+			$elementDate = DateTime::createFromFormat('YmdHis',
 						$dt[0][1] . $dt[0][2] . $dt[0][3] . $dt[0][4] . $dt[0][5] . $dt[0][6]);
-			$item["timestamp"] = $elementDate->getTimestamp();
+			$item['timestamp'] = $elementDate->getTimestamp();
 
-			$item["content"] = "<img src='" . $this->cacheImage($result['url'], $item["id"]) . "' />";
+			$item['content'] = "<img src='" . $this->cacheImage($result['url'], $item['id']) . "' />";
 			$this->items[] = $item;
 		}
 	}
 
 	public function cacheImage($url, $illustId) {
 
-		$url = str_replace("_master1200", "", $url);
-		$url = str_replace("c/240x240/img-master/", "img-original/", $url);
+		$url = str_replace('_master1200', '', $url);
+		$url = str_replace('c/240x240/img-master/', 'img-original/', $url);
 		$path = CACHE_DIR . '/pixiv_img';
 
 		if(!is_dir($path))
 			mkdir($path, 0755, true);
 
 		if(!is_file($path . '/' . $illustId . '.jpeg')) {
-			$headers = array("Referer:  https://www.pixiv.net/member_illust.php?mode=medium&illust_id=" . $illustId);
+			$headers = array('Referer:  https://www.pixiv.net/member_illust.php?mode=medium&illust_id=' . $illustId);
 			$illust = getContents($url, $headers);
-			if(strpos($illust, "404 Not Found") !== false) {
-				$illust = getContents(str_replace("jpg", "png", $url), $headers);
+			if(strpos($illust, '404 Not Found') !== false) {
+				$illust = getContents(str_replace('jpg', 'png', $url), $headers);
 			}
 			file_put_contents($path . '/' . $illustId . '.jpeg', $illust);
 		}
 
-		return 'cache/pixiv_img/' . $illustId . ".jpeg";
+		return 'cache/pixiv_img/' . $illustId . '.jpeg';
 
 	}
 
diff --git a/bridges/RainbowSixSiegeBridge.php b/bridges/RainbowSixSiegeBridge.php
index 302bb89..d362bbd 100644
--- a/bridges/RainbowSixSiegeBridge.php
+++ b/bridges/RainbowSixSiegeBridge.php
@@ -8,9 +8,9 @@ class RainbowSixSiegeBridge extends BridgeAbstract {
 	const DESCRIPTION = 'Latest articles from the Rainbow Six Siege blog';
 
 	public function collectData(){
-		$dlUrl = "https://prod-tridionservice.ubisoft.com/live/v1/News/Latest?templateId=tcm%3A152-7677";
-		$dlUrl .= "8-32&pageIndex=0&pageSize=10&language=en-US&detailPageId=tcm%3A152-194572-64";
-		$dlUrl .= "&keywordList=175426&siteId=undefined&useSeoFriendlyUrl=true";
+		$dlUrl = 'https://prod-tridionservice.ubisoft.com/live/v1/News/Latest?templateId=tcm%3A152-7677';
+		$dlUrl .= '8-32&pageIndex=0&pageSize=10&language=en-US&detailPageId=tcm%3A152-194572-64';
+		$dlUrl .= '&keywordList=175426&siteId=undefined&useSeoFriendlyUrl=true';
 		$jsonString = getContents($dlUrl) or returnServerError('Error while downloading the website content');
 
 		$json = json_decode($jsonString, true);
diff --git a/bridges/ReadComicsBridge.php b/bridges/ReadComicsBridge.php
index 33c8ed9..739e6cc 100644
--- a/bridges/ReadComicsBridge.php
+++ b/bridges/ReadComicsBridge.php
@@ -25,7 +25,7 @@ class ReadComicsBridge extends BridgeAbstract {
 			return $timestamp;
 		}
 
-		$keywordsList = explode(";", $this->getInput('q'));
+		$keywordsList = explode(';', $this->getInput('q'));
 		foreach($keywordsList as $keywords) {
 			$html = $this->getSimpleHTMLDOM(self::URI . 'comic/' . rawurlencode($keywords))
 				or $this->returnServerError('Could not request readcomics.tv.');
diff --git a/bridges/ReporterreBridge.php b/bridges/ReporterreBridge.php
index db1104c..438c55b 100644
--- a/bridges/ReporterreBridge.php
+++ b/bridges/ReporterreBridge.php
@@ -19,7 +19,7 @@ class ReporterreBridge extends BridgeAbstract {
 			// Replace all relative urls with absolute ones
 			$text = preg_replace(
 				'/(href|src)(\=[\"\'])(?!http)([^"\']+)/ims',
-				"$1$2" . self::URI . "$3",
+				'$1$2' . self::URI . '$3',
 				$text
 			);
 
diff --git a/bridges/Rue89Bridge.php b/bridges/Rue89Bridge.php
index 6599122..72f01eb 100644
--- a/bridges/Rue89Bridge.php
+++ b/bridges/Rue89Bridge.php
@@ -9,9 +9,9 @@ class Rue89Bridge extends FeedExpander {
 	protected function parseItem($item){
 		$item = parent::parseItem($item);
 
-		$url = "http://api.rue89.nouvelobs.com/export/mobile2/node/"
-		. str_replace(" ", "", substr($item['uri'], -8))
-		. "/full";
+		$url = 'http://api.rue89.nouvelobs.com/export/mobile2/node/'
+		. str_replace(' ', '', substr($item['uri'], -8))
+		. '/full';
 
 		$datas = json_decode(getContents($url), true);
 		$item['content'] = $datas['node']['body'];
diff --git a/bridges/SexactuBridge.php b/bridges/SexactuBridge.php
index 5bc552a..b0a7174 100644
--- a/bridges/SexactuBridge.php
+++ b/bridges/SexactuBridge.php
@@ -32,7 +32,7 @@ class SexactuBridge extends BridgeAbstract {
 				$item = array();
 				$item['author'] = self::AUTHOR;
 				$item['title'] = $title->plaintext;
-				$urlAttribute = "data-href";
+				$urlAttribute = 'data-href';
 				$uri = $title->$urlAttribute;
 				if($uri === false)
 					continue;
diff --git a/bridges/ShanaprojectBridge.php b/bridges/ShanaprojectBridge.php
index e86f772..6eadcb1 100644
--- a/bridges/ShanaprojectBridge.php
+++ b/bridges/ShanaprojectBridge.php
@@ -73,7 +73,7 @@ class ShanaprojectBridge extends BridgeAbstract {
 		// Getting the picture is a little bit tricky as it is part of the style.
 		// Luckily the style is part of the parent div :)
 
-		if(preg_match("/url\(\/\/([^\)]+)\)/i", $anime->parent->style, $matches))
+		if(preg_match('/url\(\/\/([^\)]+)\)/i', $anime->parent->style, $matches))
 			return $matches[1];
 
 		returnServerError('Could not extract background image!');
diff --git a/bridges/Shimmie2Bridge.php b/bridges/Shimmie2Bridge.php
index efbcd9b..bdbc504 100644
--- a/bridges/Shimmie2Bridge.php
+++ b/bridges/Shimmie2Bridge.php
@@ -21,7 +21,7 @@ class Shimmie2Bridge extends DanbooruBridge {
 	protected function getItemFromElement($element){
 		$item = array();
 		$item['uri'] = $this->getURI() . $element->href;
-		$item['id'] = (int)preg_replace("/[^0-9]/", '', $element->getAttribute(static::IDATTRIBUTE));
+		$item['id'] = (int)preg_replace('/[^0-9]/', '', $element->getAttribute(static::IDATTRIBUTE));
 		$item['timestamp'] = time();
 		$thumbnailUri = $this->getURI() . $element->find('img', 0)->src;
 		$item['tags'] = $element->getAttribute('data-tags');
diff --git a/bridges/SuperSmashBlogBridge.php b/bridges/SuperSmashBlogBridge.php
index 06c58fc..9216ef6 100644
--- a/bridges/SuperSmashBlogBridge.php
+++ b/bridges/SuperSmashBlogBridge.php
@@ -8,7 +8,7 @@ class SuperSmashBlogBridge extends BridgeAbstract {
 	const DESCRIPTION = 'Latest articles from the Super Smash Blog blog';
 
 	public function collectData(){
-		$dlUrl = "https://www.smashbros.com/data/bs/en_US/json/en_US.json";
+		$dlUrl = 'https://www.smashbros.com/data/bs/en_US/json/en_US.json';
 
 		$jsonString = getContents($dlUrl) or returnServerError('Error while downloading the website content');
 		$json = json_decode($jsonString, true);
diff --git a/bridges/VkBridge.php b/bridges/VkBridge.php
index 0110754..70c0db4 100644
--- a/bridges/VkBridge.php
+++ b/bridges/VkBridge.php
@@ -66,7 +66,7 @@ class VkBridge extends BridgeAbstract
 				$post->find('a.wall_post_more', 0)->outertext = '';
 			}
 
-			$content_suffix = "";
+			$content_suffix = '';
 
 			// looking for external links
 			$external_link_selectors = array(
@@ -81,8 +81,8 @@ class VkBridge extends BridgeAbstract
 					$innertext = $a->innertext;
 					$parsed_url = parse_url($a->getAttribute('href'));
 					if (strpos($parsed_url['path'], '/away.php') !== 0) continue;
-					parse_str($parsed_url["query"], $parsed_query);
-					$content_suffix .= "<br>External link: <a href='" . $parsed_query["to"] . "'>$innertext</a>";
+					parse_str($parsed_url['query'], $parsed_query);
+					$content_suffix .= "<br>External link: <a href='" . $parsed_query['to'] . "'>$innertext</a>";
 				}
 			}
 
@@ -100,17 +100,17 @@ class VkBridge extends BridgeAbstract
 			}
 
 			// looking for article
-			$article = $post->find("a.article_snippet", 0);
+			$article = $post->find('a.article_snippet', 0);
 			if (is_object($article)) {
-				if (strpos($article->getAttribute('class'), "article_snippet_mini") !== false) {
-					$article_title_selector = "div.article_snippet_mini_title";
-					$article_author_selector = "div.article_snippet_mini_info > .mem_link,
-						div.article_snippet_mini_info > .group_link";
-					$article_thumb_selector = "div.article_snippet_mini_thumb";
+				if (strpos($article->getAttribute('class'), 'article_snippet_mini') !== false) {
+					$article_title_selector = 'div.article_snippet_mini_title';
+					$article_author_selector = 'div.article_snippet_mini_info > .mem_link,
+						div.article_snippet_mini_info > .group_link';
+					$article_thumb_selector = 'div.article_snippet_mini_thumb';
 				} else {
-					$article_title_selector = "div.article_snippet__title";
-					$article_author_selector = "div.article_snippet__author";
-					$article_thumb_selector = "div.article_snippet__image";
+					$article_title_selector = 'div.article_snippet__title';
+					$article_author_selector = 'div.article_snippet__author';
+					$article_thumb_selector = 'div.article_snippet__image';
 				}
 				$article_title = $article->find($article_title_selector, 0)->innertext;
 				$article_author = $article->find($article_author_selector, 0)->innertext;
@@ -136,7 +136,7 @@ class VkBridge extends BridgeAbstract
 			// get all other videos
 			foreach($post->find('a.page_post_thumb_video') as $a) {
 				$video_title = $a->getAttribute('aria-label');
-				$temp = explode(" ", $video_title, 2);
+				$temp = explode(' ', $video_title, 2);
 				if (count($temp) > 1) $video_title = $temp[1];
 				$video_link = self::URI . ltrim( $a->getAttribute('href'), '/' );
 				$content_suffix .= "<br>Video: <a href='$video_link'>$video_title</a>";
@@ -163,8 +163,8 @@ class VkBridge extends BridgeAbstract
 			// get photo documents
 			foreach($post->find('a.page_doc_photo_href') as $a) {
 				$doc_link = self::URI . ltrim($a->getAttribute('href'), '/');
-				$doc_gif_label_element = $a->find(".page_gif_label", 0);
-				$doc_title_element = $a->find(".doc_label", 0);
+				$doc_gif_label_element = $a->find('.page_gif_label', 0);
+				$doc_title_element = $a->find('.doc_label', 0);
 
 				if (is_object($doc_gif_label_element)) {
 					$gif_preview_img = backgroundToImg($a->find('.page_doc_photo', 0));
@@ -184,7 +184,7 @@ class VkBridge extends BridgeAbstract
 
 			// get other documents
 			foreach($post->find('div.page_doc_row') as $div) {
-				$doc_title_element = $div->find("a.page_doc_title", 0);
+				$doc_title_element = $div->find('a.page_doc_title', 0);
 
 				if (is_object($doc_title_element)) {
 					$doc_title = $doc_title_element->innertext;
@@ -204,7 +204,7 @@ class VkBridge extends BridgeAbstract
 				$poll_title = $div->find('.page_media_poll_title', 0)->innertext;
 				$content_suffix .= "<br>Poll: $poll_title";
 				foreach($div->find('div.page_poll_text') as $poll_stat_title) {
-					$content_suffix .= "<br>- " . $poll_stat_title->innertext;
+					$content_suffix .= '<br>- ' . $poll_stat_title->innertext;
 				}
 				$div->outertext = '';
 			}
@@ -231,10 +231,10 @@ class VkBridge extends BridgeAbstract
 
 			// get post link
 			$post_link = $post->find('a.post_link', 0)->getAttribute('href');
-			preg_match("/wall-?\d+_(\d+)/", $post_link, $preg_match_result);
+			preg_match('/wall-?\d+_(\d+)/', $post_link, $preg_match_result);
 			$item['post_id'] = intval($preg_match_result[1]);
 			if (substr(self::URI, -1) == '/') {
-				$post_link = self::URI . ltrim($post_link, "/");
+				$post_link = self::URI . ltrim($post_link, '/');
 			} else {
 				$post_link = self::URI . $post_link;
 			}
@@ -273,17 +273,17 @@ class VkBridge extends BridgeAbstract
 		$data = json_decode($arg, true);
 		if ($data == null) return;
 
-		$thumb = $data['temp']['base'] . $data['temp']['x_'][0] . ".jpg";
+		$thumb = $data['temp']['base'] . $data['temp']['x_'][0] . '.jpg';
 		$original = '';
 		foreach(array('y_', 'z_', 'w_') as $key) {
 			if (!isset($data['temp'][$key])) continue;
 			if (!isset($data['temp'][$key][0])) continue;
-			if (substr($data['temp'][$key][0], 0, 4) == "http") {
-				$base = "";
+			if (substr($data['temp'][$key][0], 0, 4) == 'http') {
+				$base = '';
 			} else {
 				$base = $data['temp']['base'];
 			}
-			$original = $base . $data['temp'][$key][0] . ".jpg";
+			$original = $base . $data['temp'][$key][0] . '.jpg';
 		}
 
 		if ($original) {
@@ -296,7 +296,7 @@ class VkBridge extends BridgeAbstract
 	private function getTitle($content)
 	{
 		preg_match('/^["\w\ \p{Cyrillic}\(\)\?#«»-]+/mu', htmlspecialchars_decode($content), $result);
-		if (count($result) == 0) return "untitled";
+		if (count($result) == 0) return 'untitled';
 		return $result[0];
 	}
 
diff --git a/bridges/WhydBridge.php b/bridges/WhydBridge.php
index accdb75..347db6e 100644
--- a/bridges/WhydBridge.php
+++ b/bridges/WhydBridge.php
@@ -18,10 +18,10 @@ class WhydBridge extends BridgeAbstract {
 
 	public function collectData(){
 		$html = '';
-		if(strlen(preg_replace("/[^0-9a-f]/", '', $this->getInput('u'))) == 24) {
+		if(strlen(preg_replace('/[^0-9a-f]/', '', $this->getInput('u'))) == 24) {
 			// is input the userid ?
 			$html = getSimpleHTMLDOM(
-				self::URI . 'u/' . preg_replace("/[^0-9a-f]/", '', $this->getInput('u'))
+				self::URI . 'u/' . preg_replace('/[^0-9a-f]/', '', $this->getInput('u'))
 			) or returnServerError('No results for this query.');
 		} else { // input may be the username
 			$html = getSimpleHTMLDOM(
diff --git a/bridges/YGGTorrentBridge.php b/bridges/YGGTorrentBridge.php
index c6d38a5..bc434d3 100644
--- a/bridges/YGGTorrentBridge.php
+++ b/bridges/YGGTorrentBridge.php
@@ -12,72 +12,72 @@ class YGGTorrentBridge extends BridgeAbstract {
 
 	const PARAMETERS = array(
 		array(
-			"cat" => array(
-				"name" => "category",
-				"type" => "list",
-				"values" => array(
-					"Toute les catégories" => "all.all",
-					"Film/Vidéo - Toutes les sous-catégories" => "2145.all",
-					"Film/Vidéo - Animation" => "2145.2178",
-					"Film/Vidéo - Animation Série" => "2145.2179",
-					"Film/Vidéo - Concert" => "2145.2180",
-					"Film/Vidéo - Documentaire" => "2145.2181",
-					"Film/Vidéo - Émission TV" => "2145.2182",
-					"Film/Vidéo - Film" => "2145.2183",
-					"Film/Vidéo - Série TV" => "2145.2184",
-					"Film/Vidéo - Spectacle" => "2145.2185",
-					"Film/Vidéo - Sport" => "2145.2186",
-					"Film/Vidéo - Vidéo-clips" => "2145.2186",
-					"Audio - Toutes les sous-catégories" => "2139.all",
-					"Audio - Karaoké" => "2139.2147",
-					"Audio - Musique" => "2139.2148",
-					"Audio - Podcast Radio" => "2139.2150",
-					"Audio - Samples" => "2139.2149",
-					"Jeu vidéo - Toutes les sous-catégories" => "2142.all",
-					"Jeu vidéo - Autre" => "2142.2167",
-					"Jeu vidéo - Linux" => "2142.2159",
-					"Jeu vidéo - MacOS" => "2142.2160",
-					"Jeu vidéo - Microsoft" => "2142.2162",
-					"Jeu vidéo - Nintendo" => "2142.2163",
-					"Jeu vidéo - Smartphone" => "2142.2165",
-					"Jeu vidéo - Sony" => "2142.2164",
-					"Jeu vidéo - Tablette" => "2142.2166",
-					"Jeu vidéo - Windows" => "2142.2161",
-					"eBook - Toutes les sous-catégories" => "2140.all",
-					"eBook - Audio" => "2140.2151",
-					"eBook - Bds" => "2140.2152",
-					"eBook - Comics" => "2140.2153",
-					"eBook - Livres" => "2140.2154",
-					"eBook - Mangas" => "2140.2155",
-					"eBook - Presse" => "2140.2156",
-					"Emulation - Toutes les sous-catégories" => "2141.all",
-					"Emulation - Emulateurs" => "2141.2157",
-					"Emulation - Roms" => "2141.2158",
-					"GPS - Toutes les sous-catégories" => "2141.all",
-					"GPS - Applications" => "2141.2168",
-					"GPS - Cartes" => "2141.2169",
-					"GPS - Divers" => "2141.2170"
+			'cat' => array(
+				'name' => 'category',
+				'type' => 'list',
+				'values' => array(
+					'Toute les catégories' => 'all.all',
+					'Film/Vidéo - Toutes les sous-catégories' => '2145.all',
+					'Film/Vidéo - Animation' => '2145.2178',
+					'Film/Vidéo - Animation Série' => '2145.2179',
+					'Film/Vidéo - Concert' => '2145.2180',
+					'Film/Vidéo - Documentaire' => '2145.2181',
+					'Film/Vidéo - Émission TV' => '2145.2182',
+					'Film/Vidéo - Film' => '2145.2183',
+					'Film/Vidéo - Série TV' => '2145.2184',
+					'Film/Vidéo - Spectacle' => '2145.2185',
+					'Film/Vidéo - Sport' => '2145.2186',
+					'Film/Vidéo - Vidéo-clips' => '2145.2186',
+					'Audio - Toutes les sous-catégories' => '2139.all',
+					'Audio - Karaoké' => '2139.2147',
+					'Audio - Musique' => '2139.2148',
+					'Audio - Podcast Radio' => '2139.2150',
+					'Audio - Samples' => '2139.2149',
+					'Jeu vidéo - Toutes les sous-catégories' => '2142.all',
+					'Jeu vidéo - Autre' => '2142.2167',
+					'Jeu vidéo - Linux' => '2142.2159',
+					'Jeu vidéo - MacOS' => '2142.2160',
+					'Jeu vidéo - Microsoft' => '2142.2162',
+					'Jeu vidéo - Nintendo' => '2142.2163',
+					'Jeu vidéo - Smartphone' => '2142.2165',
+					'Jeu vidéo - Sony' => '2142.2164',
+					'Jeu vidéo - Tablette' => '2142.2166',
+					'Jeu vidéo - Windows' => '2142.2161',
+					'eBook - Toutes les sous-catégories' => '2140.all',
+					'eBook - Audio' => '2140.2151',
+					'eBook - Bds' => '2140.2152',
+					'eBook - Comics' => '2140.2153',
+					'eBook - Livres' => '2140.2154',
+					'eBook - Mangas' => '2140.2155',
+					'eBook - Presse' => '2140.2156',
+					'Emulation - Toutes les sous-catégories' => '2141.all',
+					'Emulation - Emulateurs' => '2141.2157',
+					'Emulation - Roms' => '2141.2158',
+					'GPS - Toutes les sous-catégories' => '2141.all',
+					'GPS - Applications' => '2141.2168',
+					'GPS - Cartes' => '2141.2169',
+					'GPS - Divers' => '2141.2170'
 				)
 			),
-			"nom" => array(
-				"name" => "Nom",
-				"description" => "Nom du torrent",
-				"type" => "text"
+			'nom' => array(
+				'name' => 'Nom',
+				'description' => 'Nom du torrent',
+				'type' => 'text'
 			),
-			"description" => array(
-				"name" => "Description",
-				"description" => "Description du torrent",
-				"type" => "text"
+			'description' => array(
+				'name' => 'Description',
+				'description' => 'Description du torrent',
+				'type' => 'text'
 			),
-			"fichier" => array(
-				"name" => "Fichier",
-				"description" => "Fichier du torrent",
-				"type" => "text"
+			'fichier' => array(
+				'name' => 'Fichier',
+				'description' => 'Fichier du torrent',
+				'type' => 'text'
 			),
-			"uploader" => array(
-				"name" => "Uploader",
-				"description" => "Uploader du torrent",
-				"type" => "text"
+			'uploader' => array(
+				'name' => 'Uploader',
+				'description' => 'Uploader du torrent',
+				'type' => 'text'
 			),
 
 		)
@@ -85,42 +85,42 @@ class YGGTorrentBridge extends BridgeAbstract {
 
 	public function collectData() {
 
-		$catInfo = explode(".", $this->getInput("cat"));
+		$catInfo = explode('.', $this->getInput('cat'));
 		$category = $catInfo[0];
 		$subcategory = $catInfo[1];
 
-		$html = getSimpleHTMLDOM(self::URI . "/engine/search?name="
-					. $this->getInput("nom")
-					. "&description="
-					. $this->getInput("description")
-					. "&fichier="
-					. $this->getInput("fichier")
-					. "&file="
-					. $this->getInput("uploader")
-					. "&category="
+		$html = getSimpleHTMLDOM(self::URI . '/engine/search?name='
+					. $this->getInput('nom')
+					. '&description='
+					. $this->getInput('description')
+					. '&fichier='
+					. $this->getInput('fichier')
+					. '&file='
+					. $this->getInput('uploader')
+					. '&category='
 					. $category
-					. "&sub_category="
+					. '&sub_category='
 					. $subcategory
-					. "&do=search")
-					or returnServerError("Unable to query Yggtorrent !");
+					. '&do=search')
+					or returnServerError('Unable to query Yggtorrent !');
 
 		$count = 0;
-		$results = $html->find(".results", 0);
+		$results = $html->find('.results', 0);
 		if(!$results) return;
 
-		foreach($results->find("tr") as $row) {
+		foreach($results->find('tr') as $row) {
 			$count++;
 			if($count == 1) continue;
 			if($count == 12) break;
 			$item = array();
-			$item["timestamp"] = $row->find(".hidden", 1)->plaintext;
-			$item["title"] = $row->find("a", 1)->plaintext;
-			$torrentData = $this->collectTorrentData($row->find("a", 1)->href);
-			$item["author"] = $torrentData["author"];
-			$item["content"] = $torrentData["content"];
-			$item["seeders"] = $row->find("td", 7)->plaintext;
-			$item["leechers"] = $row->find("td", 8)->plaintext;
-			$item["size"] = $row->find("td", 5)->plaintext;
+			$item['timestamp'] = $row->find('.hidden', 1)->plaintext;
+			$item['title'] = $row->find('a', 1)->plaintext;
+			$torrentData = $this->collectTorrentData($row->find('a', 1)->href);
+			$item['author'] = $torrentData['author'];
+			$item['content'] = $torrentData['content'];
+			$item['seeders'] = $row->find('td', 7)->plaintext;
+			$item['leechers'] = $row->find('td', 8)->plaintext;
+			$item['size'] = $row->find('td', 5)->plaintext;
 
 			$this->items[] = $item;
 		}
@@ -130,14 +130,14 @@ class YGGTorrentBridge extends BridgeAbstract {
 	public function collectTorrentData($url) {
 
 		//For weird reason, the link we get can be invalid, we fix it.
-		$url_full = explode("/", $url);
+		$url_full = explode('/', $url);
 		$url_full[4] = urlencode($url_full[4]);
 		$url_full[5] = urlencode($url_full[5]);
 		$url_full[6] = urlencode($url_full[6]);
-		$url = implode("/", $url_full);
-		$page = getSimpleHTMLDOM($url) or returnServerError("Unable to query Yggtorrent page !");
-		$author = $page->find(".informations", 0)->find("a", 4)->plaintext;
-		$content = $page->find(".default", 1);
-		return array("author" => $author, "content" => $content);
+		$url = implode('/', $url_full);
+		$page = getSimpleHTMLDOM($url) or returnServerError('Unable to query Yggtorrent page !');
+		$author = $page->find('.informations', 0)->find('a', 4)->plaintext;
+		$content = $page->find('.default', 1);
+		return array('author' => $author, 'content' => $content);
 	}
 }
diff --git a/bridges/YoutubeBridge.php b/bridges/YoutubeBridge.php
index 043d965..e597fe3 100644
--- a/bridges/YoutubeBridge.php
+++ b/bridges/YoutubeBridge.php
@@ -25,14 +25,14 @@ class YoutubeBridge extends BridgeAbstract {
 		'By channel id' => array(
 			'c' => array(
 				'name' => 'channel id',
-				'exampleValue' => "15",
+				'exampleValue' => '15',
 				'required' => true
 			)
 		),
 		'By playlist Id' => array(
 			'p' => array(
 				'name' => 'playlist id',
-				'exampleValue' => "15"
+				'exampleValue' => '15'
 			)
 		),
 		'Search result' => array(
@@ -195,7 +195,7 @@ class YoutubeBridge extends BridgeAbstract {
 			$this->request = $this->getInput('s');
 			$page = 1;
 			if($this->getInput('pa'))
-				$page = (int)preg_replace("/[^0-9]/", '', $this->getInput('pa'));
+				$page = (int)preg_replace('/[^0-9]/', '', $this->getInput('pa'));
 
 			$url_listing = self::URI
 			. 'results?search_query='
diff --git a/caches/FileCache.php b/caches/FileCache.php
index 0ca36d2..de17d52 100644
--- a/caches/FileCache.php
+++ b/caches/FileCache.php
@@ -19,7 +19,7 @@ class FileCache implements CacheInterface {
 		$writeStream = file_put_contents($this->getCacheFile(), serialize($datas));
 
 		if($writeStream === false) {
-			throw new \Exception("Cannot write the cache... Do you have the right permissions ?");
+			throw new \Exception('Cannot write the cache... Do you have the right permissions ?');
 		}
 
 		return $this;
diff --git a/lib/Configuration.php b/lib/Configuration.php
index d491fc4..02a908c 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -26,7 +26,7 @@ class Configuration {
 			die('"curl" extension not loaded. Please check "php.ini"');
 
 		// configuration checks
-		if(ini_get('allow_url_fopen') !== "1")
+		if(ini_get('allow_url_fopen') !== '1')
 			die('"allow_url_fopen" is not set to "1". Please check "php.ini');
 
 		// Check cache folder permissions (write permissions required)
diff --git a/lib/FeedExpander.php b/lib/FeedExpander.php
index 9702ce3..6e1f16f 100644
--- a/lib/FeedExpander.php
+++ b/lib/FeedExpander.php
@@ -24,15 +24,15 @@ abstract class FeedExpander extends BridgeAbstract {
 		switch(true) {
 		case isset($rssContent->item[0]):
 			debugMessage('Detected RSS 1.0 format');
-			$this->feedType = "RSS_1_0";
+			$this->feedType = 'RSS_1_0';
 			break;
 		case isset($rssContent->channel[0]):
 			debugMessage('Detected RSS 0.9x or 2.0 format');
-			$this->feedType = "RSS_2_0";
+			$this->feedType = 'RSS_2_0';
 			break;
 		case isset($rssContent->entry[0]):
 			debugMessage('Detected ATOM format');
-			$this->feedType = "ATOM_1_0";
+			$this->feedType = 'ATOM_1_0';
 			break;
 		default:
 			debugMessage('Unknown feed format/version');
diff --git a/lib/html.php b/lib/html.php
index eec47ae..297ab80 100644
--- a/lib/html.php
+++ b/lib/html.php
@@ -26,7 +26,7 @@ EOD;
 	$bridge = Bridge::create($bridgeName);
 
 	if($bridge == false)
-		return "";
+		return '';
 
 	$HTTPSWarning = '';
 	if(strpos($bridge->getURI(), 'https') !== 0) {
diff --git a/phpcs.xml b/phpcs.xml
index c88b0f5..a67262c 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -70,4 +70,8 @@
   <rule ref="Squiz.WhiteSpace.SemicolonSpacing"/>
   <!-- Do not add whitespace at start or end of a file or end of a line -->
   <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace"/>
+  <!-- Whenever possible use single quote strings -->
+  <rule ref="Squiz.Strings.DoubleQuoteUsage">
+    <exclude name="Squiz.Strings.DoubleQuoteUsage.ContainsVar" />
+  </rule>
 </ruleset>