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<?php |
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|
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class VP_Util_Res |
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{ |
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|
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public static function is_font_awesome($icon) |
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{ |
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if (strpos($icon, 'font-awesome:') === 0) |
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{ |
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return trim(str_replace('font-awesome:', '', $icon)); |
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} |
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return false; |
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} |
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|
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public static function get_preview_from_url($url) |
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{ |
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$preview = ''; |
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$images = array('jpg', 'JPG', 'jpeg', 'bmp', 'gif', 'png', 'ico'); |
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|
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if(filter_var($url, FILTER_VALIDATE_URL) !== FALSE) |
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{ |
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// check for extension, if it has extension then use it |
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$info = pathinfo($url); |
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if(isset($info['extension'])) |
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{ |
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if(in_array($info['extension'], $images)) |
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{ |
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$preview = $url; |
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} |
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else |
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{ |
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$type = wp_ext2type( $info['extension'] ); |
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if(is_null($type)) |
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$type = 'default'; |
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$preview = includes_url() . 'images/crystal/' . $type . '.png'; |
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} |
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} |
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else |
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{ |
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// if no extension, try to discover from mime |
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$mime = wp_remote_head( $url ); |
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if(!is_wp_error( $mime )) |
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{ |
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$mime = $mime['headers']['content-type']; |
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if(strpos($mime, 'image') === 0) |
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$preview = $url; |
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else |
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$preview = wp_mime_type_icon( $mime ); |
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} |
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else |
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{ |
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$preview = includes_url() . 'images/crystal/' . 'default' . '.png'; |
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} |
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} |
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} |
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|
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return $preview; |
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} |
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|
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public static function img($url) |
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{ |
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// empty parameter |
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if (empty($url)) { |
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return ''; |
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} |
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|
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// if already absolute, then just return |
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if (parse_url($url, PHP_URL_SCHEME)) |
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{ |
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return $url; |
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} |
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else |
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{ |
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// check if got beginning slash |
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if ($url[0] == '/' or $url[0] == '\\') |
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{ |
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return VP_IMAGE_URL . $url; |
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} |
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return VP_IMAGE_URL . '/' . $url; |
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} |
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} |
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|
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public static function img_out($img, $default) |
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{ |
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if (empty($img)) |
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echo self::img($default); |
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else |
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echo self::img($img); |
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} |
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|
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} |
