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Mini Shell
Mini Shell
<?php
use MatthiasMullie\Minify;
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
/**
* Parses the buffer to minify the CSS and JS files
*
* @since 2.11
* @since 2.1
*
* @param string $buffer HTML output.
* @param string $extension Type of files to minify.
* @return string Updated HTML output.
*/
function rocket_minify_files( $buffer, $extension ) {
global $wp_scripts, $rocket_js_enqueued_in_head;
if ( 'css' === $extension ) {
$concatenate = get_rocket_option( 'minify_concatenate_css', false ) ? true : false;
// Get all css files with this regex.
preg_match_all( apply_filters( 'rocket_minify_css_regex_pattern', '/<link\s*.+href=[\'|"]([^\'|"]+\.css?.+)[\'|"](.+)>/iU' ), $buffer, $tags_match, PREG_SET_ORDER );
}
if ( 'js' === $extension ) {
$js_files_in_head = '';
$concatenate = get_rocket_option( 'minify_concatenate_js', false ) ? true : false;
if ( $rocket_js_enqueued_in_head && is_array( $rocket_js_enqueued_in_head ) ) {
$js_files_in_head = implode( '|', $rocket_js_enqueued_in_head );
}
// Get all js files with this regex.
preg_match_all( apply_filters( 'rocket_minify_js_regex_pattern', '#<script[^>]+?src=[\'|"]([^\'|"]+\.js?.+)[\'|"].*>(?:<\/script>)#iU' ), $buffer, $tags_match, PREG_SET_ORDER );
}
$original_buffer = $buffer;
$files = array();
$excluded_files = array();
$external_js_files = array();
foreach ( $tags_match as $tag ) {
// Don't minify external files.
if ( is_rocket_external_file( $tag[1], $extension ) ) {
if ( 'js' === $extension && $concatenate ) {
$host = rocket_extract_url_component( $tag[1], PHP_URL_HOST );
$excluded_external_js = get_rocket_minify_excluded_external_js();
if ( ! isset( $excluded_external_js[ $host ] ) ) {
$external_js_files[] = $tag[0];
}
}
continue;
}
// Don't minify excluded files.
if ( is_rocket_minify_excluded_file( $tag, $extension ) ) {
if ( $concatenate && 'js' === $extension && get_rocket_option( 'defer_all_js' ) && get_rocket_option( 'defer_all_js_safe' ) && false !== strpos( $tag[1], $wp_scripts->registered['jquery-core']->src ) ) {
if ( get_rocket_option( 'remove_query_strings' ) ) {
$external_js_files['jquery-cache-busting'] = str_replace( $tag[1], get_rocket_browser_cache_busting( $tag[1], 'script_loader_src' ), $tag[0] );
$buffer = str_replace( $tag[0], $external_js_files['jquery-cache-busting'], $buffer );
} else {
$external_js_files[] = $tag[0];
}
continue;
}
$excluded_files[] = $tag;
continue;
}
if ( $concatenate ) {
if ( 'js' === $extension ) {
$file_path = rocket_clean_exclude_file( $tag[1] );
if ( ! empty( $js_files_in_head ) && preg_match( '#(' . $js_files_in_head . ')#', $file_path ) ) {
$files['header'][] = strtok( $tag[1], '?' );
} else {
$files['footer'][] = strtok( $tag[1], '?' );
}
} else {
$files[] = strtok( $tag[1], '?' );
}
$buffer = str_replace( $tag[0], '', $buffer );
continue;
}
// Don't minify if file is already minified.
if ( preg_match( '/(?:-|\.)min.' . $extension . '/iU', $tag[1] ) ) {
$excluded_files[] = $tag;
continue;
}
// Don't minify jQuery included in WP core since it's already minified but without .min in the filename.
if ( ! empty( $wp_scripts->registered['jquery-core']->src ) && false !== strpos( $tag[1], $wp_scripts->registered['jquery-core']->src ) ) {
$excluded_files[] = $tag;
continue;
}
$files[] = $tag;
}
if ( get_rocket_option( 'remove_query_strings' ) ) {
foreach ( $excluded_files as $tag ) {
if ( 'css' === $extension ) {
$tag_cache_busting = str_replace( $tag[1], get_rocket_browser_cache_busting( $tag[1], 'style_loader_src' ), $tag[0] );
}
if ( 'js' === $extension ) {
$tag_cache_busting = str_replace( $tag[1], get_rocket_browser_cache_busting( $tag[1], 'script_loader_src' ), $tag[0] );
}
$buffer = str_replace( $tag[0], $tag_cache_busting, $buffer );
}
}
if ( empty( $files ) ) {
return $buffer;
}
if ( ! $concatenate ) {
foreach ( $files as $tag ) {
$minify_url = get_rocket_minify_url( $tag[1], $extension );
if ( ! $minify_url ) {
continue;
}
$minify_tag = str_replace( $tag[1], $minify_url, $tag[0] );
if ( 'css' === $extension ) {
$minify_tag = str_replace( $tag[2], ' data-minify="1" ' . $tag[2], $minify_tag );
}
if ( 'js' === $extension ) {
$minify_tag = str_replace( '></script>', ' data-minify="1"></script>', $minify_tag );
}
$buffer = str_replace( $tag[0], $minify_tag, $buffer );
}
return $buffer;
}
if ( 'js' === $extension ) {
$minify_header_url = get_rocket_minify_url( $files['header'], $extension );
$minify_url = get_rocket_minify_url( $files['footer'], $extension );
if ( ! $minify_header_url && ! $minify_url ) {
return $original_buffer;
}
foreach ( $external_js_files as $external_js_file ) {
$buffer = str_replace( $external_js_file, '', $buffer );
}
$minify_header_tag = '<script src="' . $minify_header_url . '" data-minify="1"></script>';
$buffer = preg_replace( '/<head(.*)>/U', '<head$1>' . implode( '', $external_js_files ) . $minify_header_tag, $buffer, 1 );
$minify_tag = '<script src="' . $minify_url . '" data-minify="1"></script>';
return str_replace( '</body>', $minify_tag . '</body>', $buffer );
}
if ( 'css' === $extension ) {
$minify_url = get_rocket_minify_url( $files, $extension );
if ( ! $minify_url ) {
return $original_buffer;
}
$minify_tag = '<link rel="stylesheet" href="' . $minify_url . '" data-minify="1" />';
return preg_replace( '/<head(.*)>/U', '<head$1>' . $minify_tag, $buffer, 1 );
}
}
/**
* Determines if the file is external
*
* @since 2.11
* @author Remy Perona
*
* @param string $url URL of the file.
* @param string $extension File extension.
* @return bool True if external, false otherwise
*/
function is_rocket_external_file( $url, $extension ) {
$file = get_rocket_parse_url( $url );
$wp_content = get_rocket_parse_url( WP_CONTENT_URL );
$hosts = get_rocket_cnames_host( array( 'all', 'css_and_js', $extension ) );
$hosts[] = $wp_content['host'];
$langs = get_rocket_i18n_uri();
// Get host for all langs.
if ( $langs ) {
foreach ( $langs as $lang ) {
$hosts[] = rocket_extract_url_component( $lang, PHP_URL_HOST );
}
}
$hosts_index = array_flip( array_unique( $hosts ) );
// URL has domain and domain is not part of the internal domains.
if ( isset( $file['host'] ) && ! empty( $file['host'] ) && ! isset( $hosts_index[ $file['host'] ] ) ) {
return true;
}
// URL has no domain and doesn't contain the WP_CONTENT path or wp-includes.
if ( ! isset( $file['host'] ) && ! preg_match( '#(' . $wp_content['path'] . '|wp-includes)#', $file['path'] ) ) {
return true;
}
return false;
}
/**
* Determines if it is a file excluded from minification
*
* @since 2.11
* @author Remy Perona
*
* @param array $tag Array containing the matches from the regex.
* @param string $extension File extension.
* @return bool True if it is a file excluded, false otherwise
*/
function is_rocket_minify_excluded_file( $tag, $extension ) {
// File should not be minified.
if ( false !== strpos( $tag[0], 'data-minify=' ) || false !== strpos( $tag[0], 'data-no-minify=' ) ) {
return true;
}
if ( 'css' === $extension ) {
// CSS file media attribute is not all or screen.
if ( false !== strpos( $tag[0], 'media=' ) && ! preg_match( '/media=["\'](?:["\']|[^"\']*?(all|screen)[^"\']*?["\'])/iU', $tag[0] ) ) {
return true;
}
if ( false !== strpos( $tag[0], 'only screen and' ) ) {
return true;
}
}
$file_path = rocket_extract_url_component( $tag[1], PHP_URL_PATH );
// File extension is not .css or .js.
if ( pathinfo( $file_path, PATHINFO_EXTENSION ) !== $extension ) {
return true;
}
$excluded_files = get_rocket_exclude_files( $extension );
if ( ! empty( $excluded_files ) ) {
foreach ( $excluded_files as $i => $excluded_file ) {
$excluded_files[ $i ] = str_replace( '#', '\#', $excluded_file );
}
$excluded_files = implode( '|', $excluded_files );
// File is excluded from minification/concatenation.
if ( preg_match( '#^(' . $excluded_files . ')$#', $file_path ) ) {
return true;
}
}
return false;
}
/**
* Creates the minify URL if the minification is successful
*
* @since 2.11
* @author Remy Perona
*
* @param string|array $files Original file(s) URL(s).
* @param string $extension File(s) extension.
* @return string|bool The minify URL if successful, false otherwise
*/
function get_rocket_minify_url( $files, $extension ) {
if ( empty( $files ) ) {
return false;
}
$hosts = get_rocket_cnames_host( array( 'all', 'css_and_js', $extension ) );
$hosts['home'] = rocket_extract_url_component( home_url(), PHP_URL_HOST );
$hosts_index = array_flip( $hosts );
$minify_key = get_rocket_option( 'minify_' . $extension . '_key', create_rocket_uniqid() );
if ( is_string( $files ) ) {
$file = get_rocket_parse_url( $files );
$file_path = rocket_realpath( strtok( $files, '?' ), true, $hosts_index );
$unique_id = md5( $files . $minify_key );
$filename = preg_replace( '/\.(' . $extension . ')$/', '-' . $unique_id . '.' . $extension, ltrim( rocket_realpath( $file['path'], false, $hosts_index ), '/' ) );
} else {
foreach ( $files as $file ) {
$file_path[] = rocket_realpath( $file, true, $hosts_index );
}
$files_hash = implode( ',', $files );
$filename = md5( $files_hash . $minify_key ) . '.' . $extension;
}
$minified_file = WP_ROCKET_MINIFY_CACHE_PATH . get_current_blog_id() . '/' . $filename;
if ( ! file_exists( $minified_file ) ) {
$minified_content = rocket_minify( $file_path, $extension );
if ( ! $minified_content ) {
return false;
}
$minify_filepath = rocket_write_minify_file( $minified_content, $minified_file );
if ( ! $minify_filepath ) {
return false;
}
}
$minify_url = get_rocket_cdn_url( WP_ROCKET_MINIFY_CACHE_URL . get_current_blog_id() . '/' . $filename, array( 'all', 'css_and_js', $extension ) );
if ( 'css' === $extension ) {
/**
* Filters CSS file URL with CDN hostname
*
* @since 2.1
*
* @param string $minify_url Minified file URL.
*/
return apply_filters( 'rocket_css_url', $minify_url );
}
if ( 'js' === $extension ) {
/**
* Filters JavaScript file URL with CDN hostname
*
* @since 2.1
*
* @param string $minify_url Minified file URL.
*/
return apply_filters( 'rocket_js_url', $minify_url );
}
}
/**
* Minifies the content
*
* @since 2.11
* @author Remy Perona
*
* @param string|array $files File(s) to minify.
* @param string $extension File(s) extension.
* @return string|bool Minified content, false if empty
*/
function rocket_minify( $files, $extension ) {
if ( 'css' === $extension ) {
$minify = new Minify\CSS();
} elseif ( 'js' === $extension ) {
$minify = new Minify\JS();
}
$files = (array) $files;
foreach ( $files as $file ) {
$file_content = rocket_direct_filesystem()->get_contents( $file );
if ( 'css' === $extension ) {
$file_content = rocket_cdn_css_properties( Minify_CSS_UriRewriter::rewrite( $file_content, dirname( $file ) ) );
}
$minify->add( $file_content );
}
$minified_content = $minify->minify();
if ( empty( $minified_content ) ) {
return false;
}
return $minified_content;
}
/**
* Writes the minified content to a file
*
* @since 2.11
* @author Remy Perona
*
* @param string $content Minified content.
* @param string $minified_file Path to the minified file to write in.
* @return bool True if successful, false otherwise
*/
function rocket_write_minify_file( $content, $minified_file ) {
if ( file_exists( $minified_file ) ) {
return true;
}
if ( ! rocket_mkdir_p( dirname( $minified_file ) ) ) {
return false;
}
return rocket_put_content( $minified_file, $content );
}
/**
* Concatenates Google Fonts tags (http://fonts.googleapis.com/css?...)
*
* @since 2.3
*
* @param string $buffer HTML content.
* @return string Modified HTML content
*/
function rocket_concatenate_google_fonts( $buffer ) {
// Get all Google Fonts CSS files.
$buffer_without_comments = preg_replace( '/<!--(.*)-->/Uis', '', $buffer );
preg_match_all( '/<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>/iU', $buffer_without_comments, $matches );
if ( ! $matches[2] || 1 === count( $matches ) ) {
return $buffer;
}
$fonts = array();
$subsets = array();
foreach ( $matches[2] as $k => $font ) {
// Get fonts name.
$font = str_replace( array( '%7C', '%7c' ), '|', $font );
$font = explode( 'family=', $font );
$font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array();
// Add font to the collection.
$fonts = array_merge( $fonts, explode( '|', reset( $font ) ) );
// Add subset to collection.
$subset = ( is_array( $font ) ) ? end( $font ) : '';
if ( false !== strpos( $subset, 'subset=' ) ) {
$subset = explode( 'subset=', $subset );
$subsets = array_merge( $subsets, explode( ',', $subset[1] ) );
}
// Delete the Google Fonts tag.
$buffer = str_replace( $matches[0][ $k ], '', $buffer );
}
// Concatenate fonts tag.
$subsets = ( $subsets ) ? '&subset=' . implode( ',', array_filter( array_unique( $subsets ) ) ) : '';
$fonts = implode( '|', array_filter( array_unique( $fonts ) ) );
$fonts = str_replace( '|', '%7C', $fonts );
if ( ! empty( $fonts ) ) {
$fonts = '<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=' . $fonts . $subsets . '" />';
$buffer = preg_replace( '/<head(.*)>/U', '<head$1>' . $fonts, $buffer, 1 );
}
return $buffer;
}
/**
* Minifies inline CSS
*
* @since 1.1.6
*
* @param string $css HTML content.
* @return string Updated HTML content
*/
function rocket_minify_inline_css( $css ) {
$minify = new Minify\CSS( $css );
return $minify->minify();
}
/**
* Minifies inline JavaScript
*
* @since 1.1.6
*
* @param string $js HTML content.
* @return string Updated HTML content
*/
function rocket_minify_inline_js( $js ) {
$minify = new Minify\JS( $js );
return $minify->minify();
}
/**
* Extracts IE conditionals tags and replace them with placeholders
*
* @since 1.0
*
* @param string $buffer HTML content.
* @return string Updated HTML content
*/
function rocket_extract_ie_conditionals( $buffer ) {
preg_match_all( '/<!--\[if[^\]]*?\]>.*?<!\[endif\]-->/is', $buffer, $conditionals_match );
$buffer = preg_replace( '/<!--\[if[^\]]*?\]>.*?<!\[endif\]-->/is', '{{WP_ROCKET_CONDITIONAL}}', $buffer );
$conditionals = array();
foreach ( $conditionals_match[0] as $conditional ) {
$conditionals[] = $conditional;
}
return array( $buffer, $conditionals );
}
/**
* Replaces WP Rocket placeholders with IE condtional tags
*
* @since 1.0
*
* @param string $buffer HTML content.
* @param array $conditionals An array of HTML conditional tags.
* @return string Updated HTML content
*/
function rocket_inject_ie_conditionals( $buffer, $conditionals ) {
foreach ( $conditionals as $conditional ) {
if ( false !== strpos( $buffer, '{{WP_ROCKET_CONDITIONAL}}' ) ) {
$buffer = preg_replace( '/{{WP_ROCKET_CONDITIONAL}}/', $conditional, $buffer, 1 );
} else {
break;
}
}
return $buffer;
}
/**
* Get all JS externals files to exclude of the minification process
*
* @since 2.6
*
* @return array Array of excluded external JS
*/
function get_rocket_minify_excluded_external_js() {
/**
* Filters JS externals files to exclude from the minification process (do not move into the header)
*
* @since 2.2
*
* @param array $hostnames Hostname of JS files to exclude.
*/
$excluded_external_js = apply_filters(
'rocket_minify_excluded_external_js', array(
'forms.aweber.com',
'video.unrulymedia.com',
'gist.github.com',
'stats.wp.com',
'stats.wordpress.com',
'www.statcounter.com',
'widget.rafflecopter.com',
'widget-prime.rafflecopter.com',
'widget.supercounters.com',
'releases.flowplayer.org',
'tools.meetaffiliate.com',
'c.ad6media.fr',
'cdn.stickyadstv.com',
'www.smava.de',
'contextual.media.net',
'app.getresponse.com',
'ap.lijit.com',
'adserver.reklamstore.com',
's0.wp.com',
'wprp.zemanta.com',
'files.bannersnack.com',
'smarticon.geotrust.com',
'js.gleam.io',
'script.ioam.de',
'ir-na.amazon-adsystem.com',
'web.ventunotech.com',
'verify.authorize.net',
'ads.themoneytizer.com',
'embed.finanzcheck.de',
'imagesrv.adition.com',
'js.juicyads.com',
'form.jotformeu.com',
'speakerdeck.com',
'content.jwplatform.com',
'ads.investingchannel.com',
'app.ecwid.com',
'www.industriejobs.de',
's.gravatar.com',
'cdn.jsdelivr.net',
'cdnjs.cloudflare.com',
'code.jquery.com',
)
);
return array_flip( $excluded_external_js );
}
Zerion Mini Shell 1.0