imgix-wordpress / images-via-imgix

includes/class-images-via-imgix.php

Spacing +84 added lines, -84 removed lines

@@ -27,19 +27,19 @@ 
 	 * 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, 'replace_host_in_srcset' ], 10 );
-		add_filter( 'the_content', [ $this, 'replace_images_in_content' ] );
-		add_action( 'wp_head', [ $this, 'prefetch_cdn' ], 1 );
+		add_filter('wp_calculate_image_srcset', [$this, 'replace_host_in_srcset'], 10);
+		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']);
 	}
 
 	/**
@@ -48,7 +48,7 @@ 
 	 * @return Images_Via_Imgix
 	 */
 	public static function instance() {
-		if ( ! isset( self::$instance ) ) {
+		if ( ! isset(self::$instance)) {
 			self::$instance = new self;
 		}
 
@@ -61,7 +61,7 @@ 
 	 *
 	 * @param array $options
 	 */
-	public function set_options( $options ) {
+	public function set_options($options) {
 		$this->options = $options;
 	}
 
@@ -74,13 +74,13 @@ 
 	 *
 	 * @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);
 	}
 
 	/**
@@ -90,33 +90,33 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_image_url( $url ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$pathinfo = pathinfo( $url );
-
-			if ( in_array( $pathinfo['extension'], [ 'jpg', 'gif', 'png', 'jpeg' ] ) ) {
-				$parsed_url = parse_url( $url );
-				if ( isset( $parsed_url['host'] ) && $parsed_url['host'] === parse_url( home_url( '/' ), PHP_URL_HOST ) ) {
-					$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'])) {
+			$pathinfo = pathinfo($url);
+
+			if (in_array($pathinfo['extension'], ['jpg', 'gif', 'png', 'jpeg'])) {
+				$parsed_url = parse_url($url);
+				if (isset($parsed_url['host']) && $parsed_url['host'] === parse_url(home_url('/'), PHP_URL_HOST)) {
+					$cdn = parse_url($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]);
 						}
 					}
 
-					list( $filename, $arguments ) = $this->convert_filename_to_size_args( $pathinfo['basename'] );
+					list($filename, $arguments) = $this->convert_filename_to_size_args($pathinfo['basename']);
 
-					$arguments = array_merge( $arguments, $this->get_global_params() );
+					$arguments = array_merge($arguments, $this->get_global_params());
 
-					$parsed_url['path'] = trailingslashit( dirname( $parsed_url['path'] ) ) . $filename;
+					$parsed_url['path'] = trailingslashit(dirname($parsed_url['path'])) . $filename;
 
-					if ( ! empty( $arguments ) ) {
-						$parsed_url['query'] = empty( $parsed_url['query'] ) ? build_query( $arguments ) : $parsed_url['query'] . '&' . build_query( $arguments );
+					if ( ! empty($arguments)) {
+						$parsed_url['query'] = empty($parsed_url['query']) ? build_query($arguments) : $parsed_url['query'] . '&' . build_query($arguments);
 					}
 
-					$url = http_build_url( $parsed_url );
+					$url = http_build_url($parsed_url);
 				}
 			}
 		}
@@ -133,38 +133,38 @@ 
 	 *
 	 * @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 );
-			$parsed_url = parse_url( $img_url );
-			parse_str( $parsed_url['query'], $params );
-
-			if ( is_array( $size ) ) {
-				$params['w'] = $width = isset( $size[0] ) ? $size[0] : 0;
-				$params['h'] = $height = isset( $size[1] ) ? $size[1] : 0;
+	public function image_downsize($return, $attachment_id, $size) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			$img_url    = wp_get_attachment_url($attachment_id);
+			$parsed_url = parse_url($img_url);
+			parse_str($parsed_url['query'], $params);
+
+			if (is_array($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);
 
-			$parsed_url['query'] = build_query( $params );
+			$parsed_url['query'] = build_query($params);
 
-			$img_url = http_build_url( $parsed_url );
+			$img_url = http_build_url($parsed_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 );
+				$meta   = wp_get_attachment_metadata($attachment_id);
 				$width  = $meta['width'];
 				$height = $meta['height'];
 			}
 
-			$return = [ $img_url, $width, $height, true ];
+			$return = [$img_url, $width, $height, true];
 		}
 
 		return $return;
@@ -177,9 +177,9 @@ 
 	 *
 	 * @return array $sources
 	 */
-	public function replace_host_in_srcset( $sources ) {
-		foreach ( $sources as $source ) {
-			$sources[ $source['value'] ]['url'] = apply_filters( 'imgix/add-image-url', $sources[ $source['value'] ]['url'] );
+	public function replace_host_in_srcset($sources) {
+		foreach ($sources as $source) {
+			$sources[$source['value']]['url'] = apply_filters('imgix/add-image-url', $sources[$source['value']]['url']);
 		}
 
 		return $sources;
@@ -192,11 +192,11 @@ 
 	 *
 	 * @return string
 	 */
-	public function replace_images_in_content( $content ) {
-		if ( ! empty ( $this->options['cdn_link'] ) ) {
-			$content = preg_replace_callback( '/(?<=\shref="|\ssrc="|\shref=\'|\ssrc=\').*(?=\'|")/', function ( $match ) {
-				return esc_url( apply_filters( 'imgix/add-image-url', $match[0] ) );
-			}, $content );
+	public function replace_images_in_content($content) {
+		if ( ! empty ($this->options['cdn_link'])) {
+			$content = preg_replace_callback('/(?<=\shref="|\ssrc="|\shref=\'|\ssrc=\').*(?=\'|")/', function($match) {
+				return esc_url(apply_filters('imgix/add-image-url', $match[0]));
+			}, $content);
 
 		}
 
@@ -207,12 +207,12 @@ 
 	 * 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)
 			);
 		}
 	}
@@ -221,9 +221,9 @@ 
 	 * 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']);
 		}
 	}
 
@@ -231,7 +231,7 @@ 
 	 * 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();
 		}
 	}
@@ -247,16 +247,16 @@ 
 
 		// 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( $auto ) ) {
-			$params['auto'] = implode( ',', $auto );
+		if ( ! empty($auto)) {
+			$params['auto'] = implode(',', $auto);
 		}
 
 		return $params;
@@ -270,19 +270,19 @@ 
 	 *
 	 * @return array with filename and size arguments.
 	 */
-	protected function convert_filename_to_size_args( $filename ) {
+	protected function convert_filename_to_size_args($filename) {
 		$arguments = [];
 
-		$filename = preg_replace_callback( '/-(?<width>\d+)x(?<height>\d+)(?<extension>\.\w{3,4}$)/', function ( $match ) use ( &$arguments ) {
+		$filename = preg_replace_callback('/-(?<width>\d+)x(?<height>\d+)(?<extension>\.\w{3,4}$)/', function($match) use (&$arguments) {
 			$arguments = [
 				'w' => $match['width'],
 				'h' => $match['height']
 			];
 
 			return $match['extension'];
-		}, $filename );
+		}, $filename);
 
-		return [ $filename, $arguments ];
+		return [$filename, $arguments];
 	}
 
 	/**
@@ -295,30 +295,30 @@ 
 		$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 ]['width'] ) ) {
+		foreach (get_intermediate_image_sizes() as $s) {
+			$sizes[$s] = ['width' => '', 'height' => '', 'crop' => false];
+			if (isset($theme_image_sizes[$s]['width'])) {
 				// For theme-added sizes
-				$sizes[ $s ]['width'] = intval( $theme_image_sizes[ $s ]['width'] );
+				$sizes[$s]['width'] = intval($theme_image_sizes[$s]['width']);
 			} else {
 				// For default sizes set in options
-				$sizes[ $s ]['width'] = get_option( "{$s}_size_w" );
+				$sizes[$s]['width'] = get_option("{$s}_size_w");
 			}
 
-			if ( isset( $theme_image_sizes[ $s ]['height'] ) ) {
+			if (isset($theme_image_sizes[$s]['height'])) {
 				// For theme-added sizes
-				$sizes[ $s ]['height'] = intval( $theme_image_sizes[ $s ]['height'] );
+				$sizes[$s]['height'] = intval($theme_image_sizes[$s]['height']);
 			} else {
 				// For default sizes set in options
-				$sizes[ $s ]['height'] = get_option( "{$s}_size_h" );
+				$sizes[$s]['height'] = get_option("{$s}_size_h");
 			}
 
-			if ( isset( $theme_image_sizes[ $s ]['crop'] ) ) {
+			if (isset($theme_image_sizes[$s]['crop'])) {
 				// For theme-added sizes
-				$sizes[ $s ]['crop'] = $theme_image_sizes[ $s ]['crop'];
+				$sizes[$s]['crop'] = $theme_image_sizes[$s]['crop'];
 			} else {
 				// For default sizes set in options
-				$sizes[ $s ]['crop'] = get_option( "{$s}_crop" );
+				$sizes[$s]['crop'] = get_option("{$s}_crop");
 			}
 		}