imgix-wordpress / images-via-imgix

includes/class-images-via-imgix.php

Spacing +90 added lines, -90 removed lines

@@ -27,21 +27,21 @@ 
 	 * ImagesViaImgix constructor.
 	 */
 	public function __construct() {
-		$this->options = get_option( 'imgix_settings', [] );
+		$this->options = get_option('imgix_settings', []);
 
 		// Change filter load order to ensure it loads after other CDN url transformations i.e. Amazon S3 which loads at position 99.
-		add_filter( 'wp_get_attachment_url', [ $this, 'replace_image_url' ], 100 );
-		add_filter( 'imgix/add-image-url', [ $this, 'replace_image_url' ] );
+		add_filter('wp_get_attachment_url', [$this, 'replace_image_url'], 100);
+		add_filter('imgix/add-image-url', [$this, 'replace_image_url']);
 
-		add_filter( 'image_downsize', [ $this, 'image_downsize' ], 10, 3 );
+		add_filter('image_downsize', [$this, 'image_downsize'], 10, 3);
 
-		add_filter( 'wp_calculate_image_srcset', [ $this, 'calculate_image_srcset' ], 10, 5 );
+		add_filter('wp_calculate_image_srcset', [$this, 'calculate_image_srcset'], 10, 5);
 
-		add_filter( 'the_content', [ $this, 'replace_images_in_content' ] );
-		add_action( 'wp_head', [ $this, 'prefetch_cdn' ], 1 );
+		add_filter('the_content', [$this, 'replace_images_in_content']);
+		add_action('wp_head', [$this, 'prefetch_cdn'], 1);
 
-		add_action( 'after_setup_theme', [ $this, 'buffer_start_for_retina' ] );
-		add_action( 'shutdown', [ $this, 'buffer_end_for_retina' ], 0 );
+		add_action('after_setup_theme', [$this, 'buffer_start_for_retina']);
+		add_action('shutdown', [$this, 'buffer_end_for_retina'], 0);
 	}
 
 	/**
@@ -50,7 +50,7 @@ 
 	 * @return Images_Via_Imgix
 	 */
 	public static function instance() {
-		if ( ! isset( self::$instance ) ) {
+		if ( ! isset(self::$instance)) {
 			self::$instance = new self;
 		}
 
@@ -63,7 +63,7 @@ 
 	 *
 	 * @param array $options
 	 */
-	public function set_options( $options ) {
+	public function set_options($options) {
 		$this->options = $options;
 	}
 
@@ -76,13 +76,13 @@ 
 	 *
 	 * @return string Content with retina-enriched image tags.
 	 */
-	public function add_retina( $content ) {
+	public function add_retina($content) {
 		$pattern = '/<img((?![^>]+srcset )([^>]*)';
 		$pattern .= 'src=[\'"]([^\'"]*imgix.net[^\'"]*\?[^\'"]*w=[^\'"]*)[\'"]([^>]*)*?)>/i';
 		$repl    = '<img$2src="$3" srcset="${3}, ${3}&amp;dpr=2 2x, ${3}&amp;dpr=3 3x,"$4>';
-		$content = preg_replace( $pattern, $repl, $content );
+		$content = preg_replace($pattern, $repl, $content);
 
-		return preg_replace( $pattern, $repl, $content );
+		return preg_replace($pattern, $repl, $content);
 	}
 
 	/**
@@ -92,33 +92,33 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_image_url( $url ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$parsed_url = parse_url( $url );
+	public function replace_image_url($url) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			$parsed_url = parse_url($url);
 
 			//Check if image is hosted on current site url -OR- the CDN url specified. Using strpos because we're comparing the host to a full CDN url.
             if (
-                isset( $parsed_url['host'], $parsed_url['path'] )
-                && ($parsed_url['host'] === parse_url( home_url( '/' ), PHP_URL_HOST ) || ( isset($this->options['external_cdn_link']) && ! empty($this->options['external_cdn_link']) && strpos( $this->options['external_cdn_link'], $parsed_url['host']) !== false ) )
-                && preg_match( '/\.(jpg|jpeg|gif|png)$/i', $parsed_url['path'] )
+                isset($parsed_url['host'], $parsed_url['path'])
+                && ($parsed_url['host'] === parse_url(home_url('/'), PHP_URL_HOST) || (isset($this->options['external_cdn_link']) && ! empty($this->options['external_cdn_link']) && strpos($this->options['external_cdn_link'], $parsed_url['host']) !== false))
+                && preg_match('/\.(jpg|jpeg|gif|png)$/i', $parsed_url['path'])
             ) {
-				$cdn = parse_url( $this->options['cdn_link'] );
-				foreach ( [ 'scheme', 'host', 'port' ] as $url_part ) {
-					if ( isset( $cdn[ $url_part ] ) ) {
-						$parsed_url[ $url_part ] = $cdn[ $url_part ];
+				$cdn = parse_url($this->options['cdn_link']);
+				foreach (['scheme', 'host', 'port'] as $url_part) {
+					if (isset($cdn[$url_part])) {
+						$parsed_url[$url_part] = $cdn[$url_part];
 					} else {
-						unset( $parsed_url[ $url_part ] );
+						unset($parsed_url[$url_part]);
 					}
 				}
-				if ( ! empty( $this->options['external_cdn_link'] ) ) {
+				if ( ! empty($this->options['external_cdn_link'])) {
                     //Modify the CDN URL, we won't need any parts after the host.
-                    $parsed_cdn_url = parse_url( $this->options['external_cdn_link'] );
-                    $parsed_url['path'] = str_replace( $parsed_cdn_url['path'], "", $parsed_url['path'] );
+                    $parsed_cdn_url = parse_url($this->options['external_cdn_link']);
+                    $parsed_url['path'] = str_replace($parsed_cdn_url['path'], "", $parsed_url['path']);
                 }
 
-				$url = http_build_url( $parsed_url );
+				$url = http_build_url($parsed_url);
 
-				$url = add_query_arg( $this->get_global_params(), $url );
+				$url = add_query_arg($this->get_global_params(), $url);
 			}
 		}
 
@@ -134,35 +134,35 @@ 
 	 *
 	 * @return false|array
 	 */
-	public function image_downsize( $return, $attachment_id, $size ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$img_url = wp_get_attachment_url( $attachment_id );
+	public function image_downsize($return, $attachment_id, $size) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			$img_url = wp_get_attachment_url($attachment_id);
 
 			$params = [];
-			if ( is_array( $size ) ) {
-				$params['w'] = $width = isset( $size[0] ) ? $size[0] : 0;
-				$params['h'] = $height = isset( $size[1] ) ? $size[1] : 0;
+			if (is_array($size)) {
+				$params['w'] = $width = isset($size[0]) ? $size[0] : 0;
+				$params['h'] = $height = isset($size[1]) ? $size[1] : 0;
 			} else {
 				$available_sizes = $this->get_all_defined_sizes();
-				if ( isset( $available_sizes[ $size ] ) ) {
-					$size        = $available_sizes[ $size ];
+				if (isset($available_sizes[$size])) {
+					$size        = $available_sizes[$size];
 					$params['w'] = $width = $size['width'];
 					$params['h'] = $height = $size['height'];
 				}
 			}
 
-			$params = array_filter( $params );
+			$params = array_filter($params);
 
-			$img_url = add_query_arg( $params, $img_url );
+			$img_url = add_query_arg($params, $img_url);
 
-			if ( ! isset( $width ) || ! isset( $height ) ) {
+			if ( ! isset($width) || ! isset($height)) {
 				// any other type: use the real image
-				$meta   = wp_get_attachment_metadata( $attachment_id );
-				$width  = isset( $width ) ? $width : $meta['width'];
-				$height = isset( $height ) ? $height : $meta['height'];
+				$meta   = wp_get_attachment_metadata($attachment_id);
+				$width  = isset($width) ? $width : $meta['width'];
+				$height = isset($height) ? $height : $meta['height'];
 			}
 
-			$return = [ $img_url, $width, $height, true ];
+			$return = [$img_url, $width, $height, true];
 		}
 
 		return $return;
@@ -179,16 +179,16 @@ 
 	 *
 	 * @return array
 	 */
-	public function calculate_image_srcset( $sources, $size_array, $image_src, $image_meta, $attachment_id ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			foreach ( $sources as $i => $image_size ) {
-				if ( $image_size['descriptor'] === 'w' ) {
-					if ( $attachment_id ) {
-						$image_src = wp_get_attachment_url( $attachment_id );
+	public function calculate_image_srcset($sources, $size_array, $image_src, $image_meta, $attachment_id) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			foreach ($sources as $i => $image_size) {
+				if ($image_size['descriptor'] === 'w') {
+					if ($attachment_id) {
+						$image_src = wp_get_attachment_url($attachment_id);
 					}
 
-					$image_src            = remove_query_arg( 'h', $image_src );
-					$sources[ $i ]['url'] = add_query_arg( 'w', $image_size['value'], $image_src );
+					$image_src            = remove_query_arg('h', $image_src);
+					$sources[$i]['url'] = add_query_arg('w', $image_size['value'], $image_src);
 				}
 			}
 		}
@@ -203,29 +203,29 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_images_in_content( $content ) {
+	public function replace_images_in_content($content) {
 	    // Added null to apply filters wp_get_attachment_url to improve compatibility with https://en-gb.wordpress.org/plugins/amazon-s3-and-cloudfront/ - does not break wordpress if the plugin isn't present.
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			if ( preg_match_all( '/<img\s[^>]*src=([\"\']??)([^\" >]*?)\1[^>]*>/iU', $content, $matches ) ) {
-				foreach ( $matches[2] as $image_src ) {
-					$content = str_replace( $image_src, apply_filters( 'wp_get_attachment_url', $image_src, null ), $content );
+		if ( ! empty ($this->options['cdn_link'])) {
+			if (preg_match_all('/<img\s[^>]*src=([\"\']??)([^\" >]*?)\1[^>]*>/iU', $content, $matches)) {
+				foreach ($matches[2] as $image_src) {
+					$content = str_replace($image_src, apply_filters('wp_get_attachment_url', $image_src, null), $content);
 				}
 			}
 
-			if ( preg_match_all( '/<img\s[^>]*srcset=([\"\']??)([^\">]*?)\1[^>]*\/?>/iU', $content, $matches ) ) {
+			if (preg_match_all('/<img\s[^>]*srcset=([\"\']??)([^\">]*?)\1[^>]*\/?>/iU', $content, $matches)) {
 
-				foreach ( $matches[2] as $image_srcset ) {
-					$new_image_srcset = preg_replace_callback( '/(\S+)(\s\d+\w)/', function ( $srcset_matches ) {
-						return apply_filters( 'wp_get_attachment_url', $srcset_matches[1], null ) . $srcset_matches[2];
-					}, $image_srcset );
+				foreach ($matches[2] as $image_srcset) {
+					$new_image_srcset = preg_replace_callback('/(\S+)(\s\d+\w)/', function($srcset_matches) {
+						return apply_filters('wp_get_attachment_url', $srcset_matches[1], null) . $srcset_matches[2];
+					}, $image_srcset);
 
-					$content = str_replace( $image_srcset, $new_image_srcset, $content );
+					$content = str_replace($image_srcset, $new_image_srcset, $content);
 				}
 			}
 
-			if ( preg_match_all( '/<a\s[^>]*href=([\"\']??)([^\" >]*?)\1[^>]*>(.*)<\/a>/iU', $content, $matches ) ) {
-				foreach ( $matches[0] as $link ) {
-					$content = str_replace( $link[2], apply_filters( 'wp_get_attachment_url', $link[2], null ), $content );
+			if (preg_match_all('/<a\s[^>]*href=([\"\']??)([^\" >]*?)\1[^>]*>(.*)<\/a>/iU', $content, $matches)) {
+				foreach ($matches[0] as $link) {
+					$content = str_replace($link[2], apply_filters('wp_get_attachment_url', $link[2], null), $content);
 				}
 			}
 		}
@@ -236,12 +236,12 @@ 
 	 * Add tag to dns prefetch cdn host
 	 */
 	public function prefetch_cdn() {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$host = parse_url( $this->options['cdn_link'], PHP_URL_HOST );
+		if ( ! empty ($this->options['cdn_link'])) {
+			$host = parse_url($this->options['cdn_link'], PHP_URL_HOST);
 
 			printf(
 				'<link rel="dns-prefetch" href="%s"/>',
-				esc_attr( '//' . $host )
+				esc_attr('//' . $host)
 			);
 		}
 	}
@@ -250,8 +250,8 @@ 
 	 * Start output buffer if auto retina is enabled
 	 */
 	public function buffer_start_for_retina() {
-		if ( ! empty ( $this->options['add_dpi2_srcset'] ) ) {
-			$this->buffer_started = ob_start( [ $this, 'add_retina' ] );
+		if ( ! empty ($this->options['add_dpi2_srcset'])) {
+			$this->buffer_started = ob_start([$this, 'add_retina']);
 		}
 	}
 
@@ -259,7 +259,7 @@ 
 	 * Stop output buffer if it was enabled by the plugin
 	 */
 	public function buffer_end_for_retina() {
-		if ( $this->buffer_started && ob_get_level() ) {
+		if ($this->buffer_started && ob_get_level()) {
 			ob_end_flush();
 		}
 	}
@@ -275,20 +275,20 @@ 
 
 		// For now, only "auto" is supported.
 		$auto = [];
-		if ( ! empty ( $this->options['auto_format'] ) ) {
-			array_push( $auto, 'format' );
+		if ( ! empty ($this->options['auto_format'])) {
+			array_push($auto, 'format');
 		}
 
-		if ( ! empty ( $this->options['auto_enhance'] ) ) {
-			array_push( $auto, 'enhance' );
+		if ( ! empty ($this->options['auto_enhance'])) {
+			array_push($auto, 'enhance');
 		}
 
-		if ( ! empty ( $this->options['auto_compress'] ) ) {
-			array_push( $auto, 'compress' );
+		if ( ! empty ($this->options['auto_compress'])) {
+			array_push($auto, 'compress');
 		}
 
-		if ( ! empty( $auto ) ) {
-			$params['auto'] = implode( '%2C', $auto );
+		if ( ! empty($auto)) {
+			$params['auto'] = implode('%2C', $auto);
 		}
 
 		return $params;
@@ -304,18 +304,18 @@ 
 		$theme_image_sizes = wp_get_additional_image_sizes();
 
 		$sizes = [];
-		foreach ( get_intermediate_image_sizes() as $s ) {
-			$sizes[ $s ] = [ 'width' => '', 'height' => '', 'crop' => false ];
-			if ( isset( $theme_image_sizes[ $s ] ) ) {
+		foreach (get_intermediate_image_sizes() as $s) {
+			$sizes[$s] = ['width' => '', 'height' => '', 'crop' => false];
+			if (isset($theme_image_sizes[$s])) {
 				// For theme-added sizes
-				$sizes[ $s ]['width']  = intval( $theme_image_sizes[ $s ]['width'] );
-				$sizes[ $s ]['height'] = intval( $theme_image_sizes[ $s ]['height'] );
-				$sizes[ $s ]['crop']   = $theme_image_sizes[ $s ]['crop'];
+				$sizes[$s]['width']  = intval($theme_image_sizes[$s]['width']);
+				$sizes[$s]['height'] = intval($theme_image_sizes[$s]['height']);
+				$sizes[$s]['crop']   = $theme_image_sizes[$s]['crop'];
 			} else {
 				// For default sizes set in options
-				$sizes[ $s ]['width']  = get_option( "{$s}_size_w" );
-				$sizes[ $s ]['height'] = get_option( "{$s}_size_h" );
-				$sizes[ $s ]['crop']   = get_option( "{$s}_crop" );
+				$sizes[$s]['width']  = get_option("{$s}_size_w");
+				$sizes[$s]['height'] = get_option("{$s}_size_h");
+				$sizes[$s]['crop']   = get_option("{$s}_crop");
 			}
 		}