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<?php |
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|
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if (!defined('WPO_VERSION')) die('No direct access allowed'); |
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|
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use \WebPConvert\Convert\ConverterFactory; |
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|
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require_once WPO_PLUGIN_MAIN_PATH . 'vendor/autoload.php'; |
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|
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if (!class_exists('WPO_WebP_Utils')) : |
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|
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class WPO_WebP_Utils { |
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|
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/** |
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* Determines whether we can do webp conversion or not |
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* |
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* @return bool |
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*/ |
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public static function can_do_webp_conversion() { |
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$webp_conversion = WP_Optimize()->get_options()->get_option('webp_conversion', false); |
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$webp_converters = WP_Optimize()->get_options()->get_option('webp_converters', false); |
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return $webp_conversion && !empty($webp_converters); |
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} |
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|
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/** |
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* Convert given image file to webp format |
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* |
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* @param string $source Path of image file |
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* |
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* @return void |
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*/ |
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public static function do_webp_conversion($source) { |
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$webp_converter = new WPO_WebP_Convert(); |
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$webp_converter->convert($source); |
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} |
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|
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/** |
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* Converts an image to WebP format using a specified converter. |
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* |
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* This method acts as a wrapper for the `WebPConvert\Convert\Converters\AbstractConverter::doConvert()` method |
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* from the `webp-convert` library. |
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* |
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* @param string $converter The converter to be used for the conversion process. |
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* @param string $source The path to the source image file. |
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* @param string $destination The path to the destination WebP image file. |
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*/ |
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public static function perform_webp_conversion($converter, $source, $destination) { |
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$converter_instance = ConverterFactory::makeConverter( |
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$converter, |
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$source, |
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$destination |
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); |
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|
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set_error_handler(array(__CLASS__, 'handle_webp_conversion_warnings'), E_WARNING); |
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|
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$converter_instance->doConvert(); |
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|
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restore_error_handler(); |
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} |
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|
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/** |
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* Custom error handler for handling PHP warnings during the WebP conversion process. |
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* |
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* @param int $errno The level of the error raised, as an integer. |
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* @param string $errstr The error message. |
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* |
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* @return bool |
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*/ |
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public static function handle_webp_conversion_warnings($errno, $errstr) { |
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$patterns = array( |
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'/unlink\(.+\): No such file or directory/', |
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'/rename\(.+\): No such file or directory/', |
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'/filesize\(\): stat failed for/', |
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); |
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|
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foreach ($patterns as $pattern) { |
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if (preg_match($pattern, $errstr)) { |
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// Suppress the warning by returning true |
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return true; |
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} |
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} |
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|
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// For other PHP warnings, use the default PHP error handler by returning false |
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return false; |
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} |
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} |
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|
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endif; |
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|
