imgix-wordpress / images-via-imgix

includes/do-functions.php

Spacing +107 added lines, -107 removed lines

@@ -13,13 +13,13 @@ 
  *
  * @return string Content with retina-enriched image tags.
  */
-function add_retina( $content ) {
+function add_retina($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);
 }
 
 /**
@@ -29,13 +29,13 @@ 
  *
  * @return array An array of matching arrays with two keys: 'url' and 'params'.
  */
-function imgix_extract_imgs( $content ) {
-	preg_match_all( '/src=["\']http.+\/([^\s]+?)["\']/', $content, $matches );
+function imgix_extract_imgs($content) {
+	preg_match_all('/src=["\']http.+\/([^\s]+?)["\']/', $content, $matches);
 	$results = array();
 
-	if ( $matches ) {
-		foreach ( $matches[1] as $url ) {
-			array_push( $results, $url );
+	if ($matches) {
+		foreach ($matches[1] as $url) {
+			array_push($results, $url);
 		}
 	}
 
@@ -53,17 +53,17 @@ 
  *
  * @return string Content with matching URLs having the new querystrings.
  */
-function apply_parameters_to_url( $url, $params, $content ) {
-	$parts = explode( '?', $url . '?' );
+function apply_parameters_to_url($url, $params, $content) {
+	$parts = explode('?', $url . '?');
 
-	list( $base_url, $base_params ) = array( $parts[0], $parts[1] );
+	list($base_url, $base_params) = array($parts[0], $parts[1]);
 
 	$new_url = $old_url = $base_url;
 	$new_url .= '?' . $params;
 	$new_url .= $base_params ? '&amp;' . $base_params : '';
 	$old_url .= $base_params ? '?' . $base_params : '';
 
-	return str_replace( $old_url, $new_url, $content );
+	return str_replace($old_url, $new_url, $content);
 }
 
 /**
@@ -78,19 +78,19 @@ 
 	// For now, only "auto" is supported.
 	$auto = array();
 
-	if ( isset( $imgix_options['auto_format'] ) && $imgix_options['auto_format'] ) {
-		array_push( $auto, 'format' );
+	if (isset($imgix_options['auto_format']) && $imgix_options['auto_format']) {
+		array_push($auto, 'format');
 	}
 
-	if ( isset( $imgix_options['auto_enhance'] ) && $imgix_options['auto_enhance'] ) {
-		array_push( $auto, 'enhance' );
+	if (isset($imgix_options['auto_enhance']) && $imgix_options['auto_enhance']) {
+		array_push($auto, 'enhance');
 	}
 
-	if ( ! empty( $auto ) ) {
-		array_push( $params, 'auto=' . implode( '%2C', $auto ) );
+	if ( ! empty($auto)) {
+		array_push($params, 'auto=' . implode('%2C', $auto));
 	}
 
-	return implode( '&amp;', $params );
+	return implode('&amp;', $params);
 }
 
 /**
@@ -101,24 +101,24 @@ 
  *
  * @return string A sanitized URL.
  */
-function ensure_valid_url( $url ) {
-	$slash = strpos( $url, '//' ) == 0 ? '//' : '';
+function ensure_valid_url($url) {
+	$slash = strpos($url, '//') == 0 ? '//' : '';
 
-	if ( $slash ) {
-		$url = substr( $url, 2 );
+	if ($slash) {
+		$url = substr($url, 2);
 	}
 
-	$urlp = wp_parse_url( $url );
-	$pref = array_key_exists( 'scheme', $urlp ) ? $urlp['scheme'] . '://' : $slash;
+	$urlp = wp_parse_url($url);
+	$pref = array_key_exists('scheme', $urlp) ? $urlp['scheme'] . '://' : $slash;
 
-	if ( ! $slash && strpos( $pref, 'http' ) !== 0 ) {
+	if ( ! $slash && strpos($pref, 'http') !== 0) {
 		$pref = 'http://';
 	}
 
 	$result = $urlp['host'] ? $pref . $urlp['host'] : false;
 
-	if ( $result ) {
-		return trailingslashit( $result );
+	if ($result) {
+		return trailingslashit($result);
 	}
 
 	return null;
@@ -131,32 +131,32 @@ 
  *
  * @return array Size's width, height and crop values.
  */
-function get_size_info( $size ) {
+function get_size_info($size) {
 	global $_wp_additional_image_sizes;
 
-	if ( $size === 'original' ) {
+	if ($size === 'original') {
 		return array(
 			'width' => '',
 			'height' => '',
 			'crop' => false,
 		);
-	} elseif ( is_array( $size ) ) {
+	} elseif (is_array($size)) {
 		return array(
 			'width' => $size[1],
 			'height' => $size[0],
 			'crop' => false,
 		);
-	} elseif ( in_array( $size, array( 'thumbnail', 'medium', 'large' ), true ) ) {
+	} elseif (in_array($size, array('thumbnail', 'medium', 'large'), true)) {
 		return array(
-			'width' => get_option( $size . '_size_w' ),
-			'height' => get_option( $size . '_size_h' ),
-			'crop' => (boolean) get_option( $size . '_crop' ),
+			'width' => get_option($size . '_size_w'),
+			'height' => get_option($size . '_size_h'),
+			'crop' => (boolean) get_option($size . '_crop'),
 		);
-	} elseif ( isset( $_wp_additional_image_sizes[ $size ] ) ) {
+	} elseif (isset($_wp_additional_image_sizes[$size])) {
 		return array(
-			'width' => $_wp_additional_image_sizes[ $size ]['width'],
-			'height' => $_wp_additional_image_sizes[ $size ]['height'],
-			'crop' => $_wp_additional_image_sizes[ $size ]['crop'],
+			'width' => $_wp_additional_image_sizes[$size]['width'],
+			'height' => $_wp_additional_image_sizes[$size]['height'],
+			'crop' => $_wp_additional_image_sizes[$size]['crop'],
 		);
 	}
 
@@ -183,33 +183,33 @@ 
  * @return array An array of arrays that has extracted the URL's inferred w',
  * 'h', and 'type'
  */
-function imgix_extract_img_details( $content ) {
-	preg_match_all( '/-([0-9]+)x([0-9]+)\.([^"\']+)/', $content, $matches );
+function imgix_extract_img_details($content) {
+	preg_match_all('/-([0-9]+)x([0-9]+)\.([^"\']+)/', $content, $matches);
 
-	$lookup = array( 'raw', 'w', 'h', 'type' );
+	$lookup = array('raw', 'w', 'h', 'type');
 	$data = array();
 
-	foreach ( $matches as $k => $v ) {
+	foreach ($matches as $k => $v) {
 
-		foreach ( $v as $index => $value ) {
+		foreach ($v as $index => $value) {
 
-			if ( ! array_key_exists( $index, $data ) ) {
-				$data[ $index ] = array();
+			if ( ! array_key_exists($index, $data)) {
+				$data[$index] = array();
 			}
 
-			$key = $lookup[ $k ];
+			$key = $lookup[$k];
 
-			if ( $key === 'type' ) {
-				if ( strpos( $value, '?' ) !== false ) {
-					$parts = explode( '?', $value );
-					$data[ $index ]['type'] = $parts[0];
-					$data[ $index ]['extra'] = $parts[1];
+			if ($key === 'type') {
+				if (strpos($value, '?') !== false) {
+					$parts = explode('?', $value);
+					$data[$index]['type'] = $parts[0];
+					$data[$index]['extra'] = $parts[1];
 				} else {
-					$data[ $index ]['type'] = $value;
-					$data[ $index ]['extra'] = '';
+					$data[$index]['type'] = $value;
+					$data[$index]['extra'] = '';
 				}
 			} else {
-				$data[ $index ][ $key ] = $value;
+				$data[$index][$key] = $value;
 			}
 		}
 	}
@@ -227,26 +227,26 @@ 
  * @return array An array countaining the final string, and a boolean value
  * indicating if it's different from the given input string.
  */
-function replace_host( $str, $require_prefix = false ) {
+function replace_host($str, $require_prefix = false) {
 	global $imgix_options;
 
-	if ( ! isset( $imgix_options['cdn_link'] ) || ! $imgix_options['cdn_link'] ) {
-		return array( $str, false );
+	if ( ! isset($imgix_options['cdn_link']) || ! $imgix_options['cdn_link']) {
+		return array($str, false);
 	}
 
-	$new_host = ensure_valid_url( $imgix_options['cdn_link'] );
-	if ( ! $new_host ) {
-		return array( $str, false );
+	$new_host = ensure_valid_url($imgix_options['cdn_link']);
+	if ( ! $new_host) {
+		return array($str, false);
 	}
 
 	// As soon as srcset is supported…
 	// $prefix = $require_prefix? 'srcs?e?t?=[\'"]|,[\S+\n\r\s]*': '';
-	$prefix = $require_prefix? 'src=[\'"]': '';
-	$src = '(' . preg_quote( home_url( '/' ), '/' ) . '|\/\/)';
+	$prefix = $require_prefix ? 'src=[\'"]' : '';
+	$src = '(' . preg_quote(home_url('/'), '/') . '|\/\/)';
 	$patt = '/(' . $prefix . ' )' . $src . '/i';
-	$str = preg_replace( $patt, '$1' . $new_host, $str, -1, $count );
+	$str = preg_replace($patt, '$1' . $new_host, $str, -1, $count);
 
-	return array( $str, (boolean) $count );
+	return array($str, (boolean) $count);
 }
 
 /**
@@ -258,32 +258,32 @@ 
  *
  * @return string equivalent imgix source with correct parameters.
  */
-function replace_src( $src, $size ) {
-	$size_info = get_size_info( $size );
+function replace_src($src, $size) {
+	$size_info = get_size_info($size);
 
-	if ( $size_info ) {
+	if ($size_info) {
 
-		list( $src, $match_src ) = replace_host( $src, false );
+		list($src, $match_src) = replace_host($src, false);
 
-		if ( $match_src ) {
+		if ($match_src) {
 			$g_params = get_global_params_string();
 			$params = array();
 
-			if ( isset( $size_info['crop'] ) && $size_info['crop'] ) {
-				array_push( $params, 'fit=crop' );
+			if (isset($size_info['crop']) && $size_info['crop']) {
+				array_push($params, 'fit=crop');
 			}
 
-			if ( isset( $size_info['width'] ) && $size_info['width'] ) {
-				array_push( $params, 'w=' . $size_info['width'] );
+			if (isset($size_info['width']) && $size_info['width']) {
+				array_push($params, 'w=' . $size_info['width']);
 			}
 
-			if ( isset( $size_info['height'] ) && $size_info['height'] ) {
-				array_push( $params, 'h=' . $size_info['height'] );
+			if (isset($size_info['height']) && $size_info['height']) {
+				array_push($params, 'h=' . $size_info['height']);
 			}
 
-			$p = implode( '&amp;', $params );
-			$p = ( $p && $g_params ) ? $p . '&amp;' . $g_params : $p . $g_params;
-			$src = apply_parameters_to_url( $src, $p, $src );
+			$p = implode('&amp;', $params);
+			$p = ($p && $g_params) ? $p . '&amp;' . $g_params : $p . $g_params;
+			$src = apply_parameters_to_url($src, $p, $src);
 		}
 	}
 
@@ -297,24 +297,24 @@ 
  *
  * @return string
  */
-function imgix_file_url( $url ) {
+function imgix_file_url($url) {
 	global $imgix_options;
 
 	$imgix_url = $imgix_options['cdn_link'];
-	$file = pathinfo( $url );
+	$file = pathinfo($url);
 
-	if ( ! $imgix_url ) {
+	if ( ! $imgix_url) {
 		return $url;
 	}
 
-	if ( in_array( $file['extension'], array( 'jpg', 'gif', 'png', 'jpeg' ) ) ) {
-		return str_replace( get_bloginfo( 'wpurl' ), $imgix_url, $url );
+	if (in_array($file['extension'], array('jpg', 'gif', 'png', 'jpeg'))) {
+		return str_replace(get_bloginfo('wpurl'), $imgix_url, $url);
 	}
 
 	return $url;
 }
-add_filter( 'wp_get_attachment_url', 'imgix_file_url' );
-add_filter( 'imgix/add-image-url', 'imgix_file_url' );
+add_filter('wp_get_attachment_url', 'imgix_file_url');
+add_filter('imgix/add-image-url', 'imgix_file_url');
 
 /**
  * Replace srcset urls with imgix urls.
@@ -324,14 +324,14 @@ 
  * @return array $sources
  *
  */
-function imgix_cdn_srcset( $sources ) {
-	foreach ( $sources as $source ) {
-		$sources[ $source['value'] ]['url'] = apply_filters( 'imgix/add-image-url', $sources[ $source['value'] ]['url'] );
+function imgix_cdn_srcset($sources) {
+	foreach ($sources as $source) {
+		$sources[$source['value']]['url'] = apply_filters('imgix/add-image-url', $sources[$source['value']]['url']);
 	}
 
 	return $sources;
 }
-add_filter( 'wp_calculate_image_srcset', 'imgix_cdn_srcset', 10 );
+add_filter('wp_calculate_image_srcset', 'imgix_cdn_srcset', 10);
 
 /**
  * Replace image urls in content with imgix urls.
@@ -340,27 +340,27 @@ 
  *
  * @return string
  */
-function imgix_replace_non_wp_images( $content ) {
-	list( $content, $match ) = replace_host( $content, true );
+function imgix_replace_non_wp_images($content) {
+	list($content, $match) = replace_host($content, true);
 
-	if ( $match ) {
+	if ($match) {
 		// Apply image-tag-encoded params for every image in $content.
-		foreach ( imgix_extract_img_details( $content ) as $img ) {
+		foreach (imgix_extract_img_details($content) as $img) {
 			$to_replace = $img['raw'];
 			$extra_params = $img['extra'] ? '&amp;' . $img['extra'] : '';
 			$new_url = '.' . $img['type'] . '?h=' . $img['h'] . '&amp;w=' . $img['w'] . $extra_params;
-			$content = str_replace( $to_replace, $new_url, $content );
+			$content = str_replace($to_replace, $new_url, $content);
 		}
 
 		// Apply global parameters.
 		$g_params = get_global_params_string();
-		foreach ( imgix_extract_imgs( $content ) as $img_url ) {
-			$content = apply_parameters_to_url( $img_url, $g_params, $content );
+		foreach (imgix_extract_imgs($content) as $img_url) {
+			$content = apply_parameters_to_url($img_url, $g_params, $content);
 		}
 	}
 	return $content;
 }
-add_filter( 'the_content', 'imgix_replace_non_wp_images' );
+add_filter('the_content', 'imgix_replace_non_wp_images');
 
 /**
  * Add tag to prefetch imgix url to head.
@@ -368,20 +368,20 @@ 
 function imgix_wp_head() {
 	global $imgix_options;
 
-	if ( isset( $imgix_options['cdn_link'] ) && $imgix_options['cdn_link'] ) {
-		printf( "<link rel='dns-prefetch' href='%s'/>",
-			esc_url( preg_replace( '/^https?:/', '', untrailingslashit( $imgix_options['cdn_link'] ) ) )
+	if (isset($imgix_options['cdn_link']) && $imgix_options['cdn_link']) {
+		printf("<link rel='dns-prefetch' href='%s'/>",
+			esc_url(preg_replace('/^https?:/', '', untrailingslashit($imgix_options['cdn_link'])))
 		);
 	}
 }
-add_action( 'wp_head', 'imgix_wp_head', 1 );
+add_action('wp_head', 'imgix_wp_head', 1);
 
-if ( isset( $imgix_options['add_dpi2_srcset'] ) && $imgix_options['add_dpi2_srcset'] ) {
+if (isset($imgix_options['add_dpi2_srcset']) && $imgix_options['add_dpi2_srcset']) {
 	function buffer_start() {
-		ob_start( 'add_retina' ); }
+		ob_start('add_retina'); }
 	function buffer_end() {
 		ob_end_flush(); }
-	add_action( 'after_setup_theme', 'buffer_start' );
-	add_action( 'shutdown', 'buffer_end' );
-	add_filter( 'the_content', 'add_retina' );
+	add_action('after_setup_theme', 'buffer_start');
+	add_action('shutdown', 'buffer_end');
+	add_filter('the_content', 'add_retina');
 }