imgix-wordpress / images-via-imgix

includes/do-functions.php

Spacing +82 added lines, -82 removed lines

@@ -12,13 +12,13 @@ 
  * @param $content
  * @return string Content with retina-enriched image tags.
  */
-function imgix_add_retina( $content ) {
+function imgix_add_retina($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);
 }
 
 /**
@@ -26,13 +26,13 @@ 
  *
  * @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);
 		}
 	}
 
@@ -46,17 +46,17 @@ 
  *
  * @return string Content with matching URLs having the new querystrings.
  */
-function imgix_apply_parameters_to_url( $url, $params, $content ) {
-	$parts = explode( '?', $url . '?' );
+function imgix_apply_parameters_to_url($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);
 }
 
 /**
@@ -71,19 +71,19 @@ 
 	// 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);
 }
 
 /**
@@ -92,24 +92,24 @@ 
  *
  * @return string A sanitized URL.
  */
-function imgix_ensure_valid_url( $url ) {
-	$slash = strpos( $url, '//' ) == 0 ? '//' : '';
+function imgix_ensure_valid_url($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;
@@ -133,33 +133,33 @@ 
  * @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;
 			}
 		}
 	}
@@ -174,47 +174,47 @@ 
  * @return array An array countaining the final string, and a boolean value
  * indicating if it's different from the given input string.
  */
-function imgix_replace_host( $str, $require_prefix = false ) {
+function imgix_replace_host($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 = imgix_ensure_valid_url( $imgix_options['cdn_link'] );
-	if ( ! $new_host ) {
-		return array( $str, false );
+	$new_host = imgix_ensure_valid_url($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);
 }
 
-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');
 
 /**
  *
@@ -226,67 +226,67 @@ 
  *
  * @return array $sources
  */
-function imgix_cdn_srcset( $sources, $size_array, $image_src, $image_meta, $attachment_id ) {
+function imgix_cdn_srcset($sources, $size_array, $image_src, $image_meta, $attachment_id) {
 
 	global $imgix_options;
 
 	$imgix_url = $imgix_options['cdn_link'];
 
-	foreach ( $sources as $source ) {
+	foreach ($sources as $source) {
 
-		$sources[ $source['value'] ]['url'] = apply_filters( 'imgix/add-image-url', $sources[ $source['value'] ]['url'] );
+		$sources[$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, 5 );
+add_filter('wp_calculate_image_srcset', 'imgix_cdn_srcset', 10, 5);
 
-function imgix_replace_non_wp_images( $content ) {
-	list( $content, $match ) = imgix_replace_host( $content, true );
+function imgix_replace_non_wp_images($content) {
+	list($content, $match) = imgix_replace_host($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 = imgix_get_global_params_string();
-		foreach ( imgix_extract_imgs( $content ) as $img_url ) {
-			$content = imgix_apply_parameters_to_url( $img_url, $g_params, $content );
+		foreach (imgix_extract_imgs($content) as $img_url) {
+			$content = imgix_apply_parameters_to_url($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');
 
 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 imgix_buffer_start() {
-		ob_start( 'imgix_add_retina' );
+		ob_start('imgix_add_retina');
 	}
 
 	function imgix_buffer_end() {
 		ob_end_flush();
 	}
 
-	add_action( 'after_setup_theme', 'imgix_buffer_start' );
-	add_action( 'shutdown', 'imgix_buffer_end' );
-	add_filter( 'the_content', 'imgix_add_retina' );
+	add_action('after_setup_theme', 'imgix_buffer_start');
+	add_action('shutdown', 'imgix_buffer_end');
+	add_filter('the_content', 'imgix_add_retina');
 }