Keep local cached images fresh if file exists.
Updates the cache_images() function to `touch` images if the file exists already. Some sites (e.g. news) re-use stock images and this change updates the local file's modified time every time the image is referenced in new articles. This should prevent the local file from being expired/deleted only to be re-cached later on.
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@ -1248,6 +1248,8 @@
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if ($file_content && strlen($file_content) > _MIN_CACHE_IMAGE_SIZE) {
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file_put_contents($local_filename, $file_content);
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}
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} else {
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touch($local_filename);
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}
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}
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}
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