imgix-wordpress / images-via-imgix

includes/class-images-via-imgix.php

Spacing +83 added lines, -83 removed lines

@@ -27,20 +27,20 @@ 
 	 * ImagesViaImgix constructor.
 	 */
 	public function __construct() {
-		$this->options = get_option( 'imgix_settings', [] );
+		$this->options = get_option('imgix_settings', []);
 
-		add_filter( 'wp_get_attachment_url', [ $this, 'replace_image_url' ] );
-		add_filter( 'imgix/add-image-url', [ $this, 'replace_image_url' ] );
+		add_filter('wp_get_attachment_url', [$this, 'replace_image_url']);
+		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', [ $this, 'calculate_image_srcset' ], 10, 3 );
+		add_filter('wp_calculate_image_srcset', [$this, 'calculate_image_srcset'], 10, 3);
 
-		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', [ $this, 'buffer_end_for_retina' ] );
+		add_action('after_setup_theme', [$this, 'buffer_start_for_retina']);
+		add_action('shutdown', [$this, 'buffer_end_for_retina']);
 	}
 
 	/**
@@ -49,7 +49,7 @@ 
 	 * @return Images_Via_Imgix
 	 */
 	public static function instance() {
-		if ( ! isset( self::$instance ) ) {
+		if ( ! isset(self::$instance)) {
 			self::$instance = new self;
 		}
 
@@ -62,7 +62,7 @@ 
 	 *
 	 * @param array $options
 	 */
-	public function set_options( $options ) {
+	public function set_options($options) {
 		$this->options = $options;
 	}
 
@@ -75,13 +75,13 @@ 
 	 *
 	 * @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);
 	}
 
 	/**
@@ -91,21 +91,21 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_image_url( $url ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$parsed_url = parse_url( $url );
-
-			if ( isset( $parsed_url['host'], $parsed_url['path'] ) && $parsed_url['host'] === parse_url( home_url( '/' ), PHP_URL_HOST ) && preg_match( '/\.(jpg|jpeg|gif|png)$/', $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[ $url_part ];
+	public function replace_image_url($url) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			$parsed_url = parse_url($url);
+
+			if (isset($parsed_url['host'], $parsed_url['path']) && $parsed_url['host'] === parse_url(home_url('/'), PHP_URL_HOST) && preg_match('/\.(jpg|jpeg|gif|png)$/', $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];
 					} else {
-						unset( $parsed_url[ $url_part ] );
+						unset($parsed_url[$url_part]);
 					}
-					$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);
 				}
 			}
 		}
@@ -123,35 +123,35 @@ 
 	 *
 	 * @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;
@@ -166,11 +166,11 @@ 
 	 *
 	 * @return array
 	 */
-	public function calculate_image_srcset( $image_meta, $size_array, $image_src ) {
-		foreach ( $image_meta as $i => $image_size ) {
-			if ( $image_size['descriptor'] === 'w' ) {
-				$image_src = remove_query_arg( 'h', $image_src );
-				$image_meta[ $i ]['url'] = add_query_arg( 'w', $image_size['value'], $image_src );
+	public function calculate_image_srcset($image_meta, $size_array, $image_src) {
+		foreach ($image_meta as $i => $image_size) {
+			if ($image_size['descriptor'] === 'w') {
+				$image_src = remove_query_arg('h', $image_src);
+				$image_meta[$i]['url'] = add_query_arg('w', $image_size['value'], $image_src);
 			}
 		}
 
@@ -184,28 +184,28 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_images_in_content( $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, $this->replace_image_url( $image_src ), $content );
+	public function replace_images_in_content($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, $this->replace_image_url($image_src), $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 $this->replace_image_url( $srcset_matches[1] ) . $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 $this->replace_image_url($srcset_matches[1]) . $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], $this->replace_image_url( $link[2] ), $content );
+			if (preg_match_all('/<a\s[^>]*href=([\"\']??)([^\" >]*?)\1[^>]*>(.*)<\/a>/iU', $content, $matches)) {
+				foreach ($matches[0] as $link) {
+					$content = str_replace($link[2], $this->replace_image_url($link[2]), $content);
 				}
 			}
 		}
@@ -217,12 +217,12 @@ 
 	 * 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)
 			);
 		}
 	}
@@ -231,9 +231,9 @@ 
 	 * Start output buffer if auto retina is enabled
 	 */
 	public function buffer_start_for_retina() {
-		if ( ! empty ( $this->options['add_dpi2_srcset'] ) ) {
+		if ( ! empty ($this->options['add_dpi2_srcset'])) {
 			$this->buffer_started = true;
-			ob_start( [ $this, 'add_retina' ] );
+			ob_start([$this, 'add_retina']);
 		}
 	}
 
@@ -241,7 +241,7 @@ 
 	 * Stop output buffer if it was enabled by the plugin
 	 */
 	public function buffer_end_for_retina() {
-		if ( $this->buffer_started === true ) {
+		if ($this->buffer_started === true) {
 			ob_end_flush();
 		}
 	}
@@ -257,20 +257,20 @@ 
 
 		// 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;
@@ -286,18 +286,18 @@ 
 		$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");
 			}
 		}