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- <?php
- function validateData(&$data, $parameters){
- $validateTextValue = function($value, $pattern = null){
- if(!is_null($pattern)) {
- $filteredValue = filter_var($value,
- FILTER_VALIDATE_REGEXP,
- array('options' => array(
- 'regexp' => '/^' . $pattern . '$/'
- )
- ));
- } else {
- $filteredValue = filter_var($value);
- }
- if($filteredValue === false)
- return null;
- return $filteredValue;
- };
- $validateNumberValue = function($value){
- $filteredValue = filter_var($value, FILTER_VALIDATE_INT);
- if($filteredValue === false)
- return null;
- return $filteredValue;
- };
- $validateCheckboxValue = function($value){
- return filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
- };
- $validateListValue = function($value, $expectedValues){
- $filteredValue = filter_var($value);
- if($filteredValue === false)
- return null;
- if(!in_array($filteredValue, $expectedValues)) { // Check sub-values?
- foreach($expectedValues as $subName => $subValue) {
- if(is_array($subValue) && in_array($filteredValue, $subValue))
- return $filteredValue;
- }
- return null;
- }
- return $filteredValue;
- };
- if(!is_array($data))
- return false;
- foreach($data as $name => $value) {
- $registered = false;
- foreach($parameters as $context => $set) {
- if(array_key_exists($name, $set)) {
- $registered = true;
- if(!isset($set[$name]['type'])) {
- $set[$name]['type'] = 'text';
- }
- switch($set[$name]['type']) {
- case 'number':
- $data[$name] = $validateNumberValue($value);
- break;
- case 'checkbox':
- $data[$name] = $validateCheckboxValue($value);
- break;
- case 'list':
- $data[$name] = $validateListValue($value, $set[$name]['values']);
- break;
- default:
- case 'text':
- if(isset($set[$name]['pattern'])) {
- $data[$name] = $validateTextValue($value, $set[$name]['pattern']);
- } else {
- $data[$name] = $validateTextValue($value);
- }
- break;
- }
- if(is_null($data[$name]) && isset($set[$name]['required']) && $set[$name]['required']) {
- echo 'Parameter \'' . $name . '\' is invalid!' . PHP_EOL;
- return false;
- }
- }
- }
- if(!$registered)
- return false;
- }
- return true;
- }
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