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<?php
defined( 'ABSPATH' ) or die( 'Cheatin’ uh?' );
/**
* Launch WP Rocket minification process (HTML, CSS and JavaScript)
*
* @since 2.10 New process for minification without concatenation
* @since 1.3.0 This process is called via the new filter rocket_buffer
* @since 1.1.6 Minify inline CSS and JavaScript
* @since 1.0
*
* @param string $buffer HTML content.
* @return string Modified HTML content
*/
function rocket_minify_process( $buffer ) {
$enable_js = get_rocket_option( 'minify_js' );
$enable_css = get_rocket_option( 'minify_css' );
$enable_google_fonts = get_rocket_option( 'minify_google_fonts' );
if ( $enable_css || $enable_js || $enable_google_fonts ) {
$css = '';
$js = '';
$google_fonts = '';
list( $buffer, $conditionals ) = rocket_extract_ie_conditionals( $buffer );
// Minify CSS.
if ( $enable_css && ( ! defined( 'DONOTMINIFYCSS' ) || ! DONOTMINIFYCSS ) && ! is_rocket_post_excluded_option( 'minify_css' ) ) {
if ( get_rocket_option( 'minify_concatenate_css' ) ) {
list( $buffer, $css ) = rocket_minify_css( $buffer );
} else {
$buffer = rocket_minify_only( $buffer, 'css' );
}
}
// Minify JavaScript.
if ( $enable_js && ( ! defined( 'DONOTMINIFYJS' ) || ! DONOTMINIFYJS ) && ! is_rocket_post_excluded_option( 'minify_js' ) ) {
if ( get_rocket_option( 'minify_concatenate_js' ) ) {
list( $buffer, $js ) = rocket_minify_js( $buffer );
} else {
$buffer = rocket_minify_only( $buffer, 'js' );
}
}
// Concatenate Google Fonts.
if ( $enable_google_fonts ) {
list( $buffer, $google_fonts ) = rocket_concatenate_google_fonts( $buffer );
}
$buffer = rocket_inject_ie_conditionals( $buffer, $conditionals );
// Insert all CSS and JS files in head.
$buffer = preg_replace( '/<head(.*)>/U', '<head$1>' . $google_fonts . $css . $js, $buffer, 1 );
}
return $buffer;
}
add_filter( 'rocket_buffer', 'rocket_minify_process', 13 );
/**
* Insert JS minify files in footer
*
* @since 2.2
*/
function rocket_insert_minify_js_in_footer() {
global $pagenow;
if ( get_rocket_option( 'minify_js' ) && ! get_rocket_option( 'minify_concatenate_js', 0 ) ) {
return;
}
if ( get_rocket_option( 'minify_concatenate_js' ) && ! in_array( $pagenow, array( 'wp-login.php', 'wp-register.php' ), true ) && ( ! defined( 'DONOTMINIFYJS' ) || ! DONOTMINIFYJS ) && ( ! defined( 'DONOTCACHEPAGE' ) || ! DONOTCACHEPAGE ) && ! is_rocket_post_excluded_option( 'minify_js' ) && ! is_404() ) {
// Don't apply for logged users if the option is turned off.
if ( is_user_logged_in() && ! get_rocket_option( 'cache_logged_user' ) ) {
return;
}
// This filter is documented in inc/front/process.php
$rocket_cache_search = apply_filters( 'rocket_cache_search', false );
// Don't apply on search page.
if ( is_search() && ! $rocket_cache_search ) {
return;
}
// Don't apply on excluded pages.
if ( in_array( $_SERVER['REQUEST_URI'], get_rocket_option( 'cache_reject_uri', array() ), true ) ) {
return;
}
global $rocket_enqueue_js_in_footer;
$home_host = parse_url( home_url(), PHP_URL_HOST );
$files = get_rocket_minify_js_in_footer();
$ordered_files = array();
// Get host of CNAMES.
$cnames_host = get_rocket_cnames_host( array( 'all', 'css_and_js', 'js' ) );
$i = 0;
foreach ( $files as $file ) {
// This filter is documented in wp-includes/class.wp-scripts.php
$file = apply_filters( 'script_loader_src', $file, '' );
list( $file_host, $file_path ) = get_rocket_parse_url( $file );
// Check if its an external file.
if ( $home_host !== $file_host && ! in_array( $file_host, $cnames_host, true ) && ! in_array( $file_path, $rocket_enqueue_js_in_footer, true ) ) {
if ( isset( $ordered_files[ $i ] ) ) {
$i++;
$ordered_files[ $i++ ] = $file;
} else {
$ordered_files[ $i++ ] = $file;
}
} else {
$ordered_files[ $i ][] = $file;
}
}
// Print tags.
foreach ( $ordered_files as $files ) {
// Check if its an external file.
if ( is_string( $files ) ) {
echo '<script src="' . $files . '" data-minify="1"></script>';
} else {
echo get_rocket_minify_files( $files );
}
}
}
}
add_action( 'wp_footer', 'rocket_insert_minify_js_in_footer', PHP_INT_MAX );
/**
* Used to concatenate 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=[\'|"](.+fonts\.googleapis\.com.+)(\'|").+>/iU', $buffer_without_comments, $matches );
$i = 0;
$fonts = array();
$subsets = array();
if ( ! $matches[1] ) {
return array( $buffer, '' );
}
foreach ( $matches[1] as $font ) {
if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) {
// 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][ $i ], '', $buffer );
}
$i++;
}
// Concatenate fonts tag.
$subsets = ( $subsets ) ? '&subset=' . implode( ',', array_filter( array_unique( $subsets ) ) ) : '';
$fonts = trim( implode( '|' , array_filter( array_unique( $fonts ) ) ), '|' );
$fonts = str_replace( '|', '%7C', $fonts );
if ( ! empty( $fonts ) ) {
$fonts = '<link rel="stylesheet" href="//fonts.googleapis.com/css?family=' . $fonts . $subsets . '" />';
}
return array( $buffer, $fonts );
}
/**
* Used to minify inline HTML
*
* @since 2.10 Do the HTML minification independently and hook it later to prevent conflicts
* @since 1.1.12
*
* @param string $buffer HTML content.
* @return string Updated HTML content
*/
function rocket_minify_html( $buffer ) {
if ( ! get_rocket_option( 'minify_html' ) || is_rocket_post_excluded_option( 'minify_html' ) ) {
return $buffer;
}
// Check if Minify_HTML is enables.
if ( ! class_exists( 'Minify_HTML' ) ) {
$html_options = array(
'cssMinifier' => 'rocket_minify_inline_css',
);
require( WP_ROCKET_PATH . 'min/lib/Minify/HTML.php' );
/**
* Filter options of minify inline HTML
*
* @since 1.1.12
*
* @param array $html_options Options of minify inline HTML.
*/
$html_options = apply_filters( 'rocket_minify_html_options', $html_options );
$buffer = Minify_HTML::minify( $buffer, $html_options );
}
return $buffer;
}
add_filter( 'rocket_buffer', 'rocket_minify_html', 20 );
/**
* Used to minify inline CSS
*
* @since 1.1.6
*
* @param string $css HTML content.
* @return string Updated HTML content
*/
function rocket_minify_inline_css( $css ) {
// Check if Minify_CSS_Compressor is enabled.
if ( ! class_exists( 'Minify_CSS_Compressor' ) ) {
require( WP_ROCKET_PATH . 'min/lib/Minify/CSS/Compressor.php' );
}
return Minify_CSS_Compressor::process( $css );
}
/**
* Used to minify inline JavaScript
*
* @since 1.1.6
*
* @param string $js HTML content.
* @return string Updated HTML content
*/
function rocket_minify_inline_js( $js ) {
// Check if JSMin is enabled.
if ( ! class_exists( 'JSMin' ) ) {
require( WP_ROCKET_PATH . 'min/lib/JSMin.php' );
}
return JSMin::minify( $js );
}
/**
* Used to minify and concat CSS files
*
* @since 1.1.0 Fix Bug with externals URLs like //ajax.google.com
* @since 1.0.2 Remove the filter, remove the array_chunk, add an automatic way to cut strings to 255c max
* @since 1.0
*
* @param string $buffer HTML content.
* @return string Updated HTML content
*/
function rocket_minify_css( $buffer ) {
$home_host = parse_url( home_url(), PHP_URL_HOST );
$internal_files = array();
$external_tags = '';
$excluded_tags = '';
$fonts_tags = '';
$excluded_css = implode( '|' , get_rocket_exclude_css() );
$excluded_css = str_replace( '//' . $home_host , '', $excluded_css );
$wp_content_dirname = ltrim( str_replace( home_url(), '', WP_CONTENT_URL ), '/' ) . '/';
// 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 );
$i = 0;
foreach ( $tags_match[0] as $tag ) {
/**
* Check css media type
* or the file is already minify by get_rocket_minify_files
* or the file is rejected to the process
*/
if ( ( false === strpos( $tag, 'media=' ) || preg_match( '/media=["\'](?:["\']|[^"\']*?(all|screen)[^"\']*?["\'])/', $tag ) ) && false === strpos( $tag, 'data-minify=' ) && false === strpos( $tag, 'data-no-minify=' ) ) {
// To check if a tag is to exclude of the minify process.
$excluded_tag = false;
// Get URLs infos.
$css_url = parse_url( set_url_scheme( $tags_match[1][ $i ] ) );
// Get host for all langs.
$langs_host = array();
if ( $langs = get_rocket_i18n_uri() ) {
foreach ( $langs as $lang ) {
$langs_host[] = parse_url( $lang, PHP_URL_HOST );
}
}
// Get host of CNAMES.
$cnames_host = get_rocket_cnames_host( array( 'all', 'css_and_js', 'css' ) );
// Check if the file isn't external.
// Insert the relative path to the array without query string.
if ( ( isset( $css_url['host'] ) && ( $css_url['host'] === $home_host || in_array( $css_url['host'], $cnames_host, true ) || in_array( $css_url['host'], $langs_host, true ) ) ) || ( ! isset( $css_url['host'] ) && preg_match( '#(' . $wp_content_dirname . '|wp-includes)#', $css_url['path'] ) ) ) {
// Check if it isn't a file to exclude.
if ( preg_match( '#^(' . $excluded_css . ')$#', $css_url['path'] ) && pathinfo( $css_url['path'], PATHINFO_EXTENSION ) === 'css' ) {
$excluded_tag = true;
} else {
$internal_files[] = $css_url['path'];
}
// If it is an external file.
} else {
$external_tags .= $tag;
}
// Remove the tag.
if ( ! $excluded_tag ) {
$buffer = str_replace( $tag, '', $buffer );
}
if ( $excluded_tag && get_rocket_option( 'remove_query_strings' ) ) {
$tag_cache_busting = str_replace( $tags_match[1][ $i ], get_rocket_browser_cache_busting( $tags_match[1][ $i ], 'style_loader_src' ), $tag );
$buffer = str_replace( $tag, $tag_cache_busting, $buffer );
}
}
$i++;
}
// Insert the minify css file below <head>.
return array( $buffer, $external_tags . get_rocket_minify_files( $internal_files ) );
}
/**
* Used to minify and concat JavaScript files
*
* @since 1.1.0 Fix Bug with externals URLs like //ajax.google.com
* @since 1.0.2 Remove the filter, remove the array_chunk, add an automatic way to cut strings to 255c max
* @since 1.0
*
* @param string $buffer HTML content.
* @return string Updated HTML content
*/
function rocket_minify_js( $buffer ) {
$home_host = parse_url( home_url(), PHP_URL_HOST );
$internal_files = array();
$external_tags = array();
$excluded_tags = '';
$excluded_js = implode( '|', get_rocket_exclude_js() );
$excluded_js = str_replace( '//' . $home_host , '', $excluded_js );
$excluded_js = str_replace( '+', '\+', $excluded_js );
$js_in_footer = get_rocket_minify_js_in_footer();
$wp_content_dirname = ltrim( str_replace( home_url(), '', WP_CONTENT_URL ), '/' ) . '/';
$excluded_external_js = get_rocket_minify_excluded_external_js();
// 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 );
$i = 0;
foreach ( $tags_match[0] as $tag ) {
// Check if the file is already minify by get_rocket_minify_files.
// or the file is rejected to the process.
if ( ! strpos( $tag, 'data-minify=' ) && ! strpos( $tag, 'data-no-minify=' ) ) {
// To check if a tag is to exclude of the minify process.
$excluded_tag = false;
// Get JS URL with scheme.
$js_url_with_scheme = set_url_scheme( $tags_match[1][ $i ] );
// Get URL infos.
$js_url = parse_url( $js_url_with_scheme );
// Get host for all langs.
$langs_host = array();
if ( $langs = get_rocket_i18n_uri() ) {
foreach ( $langs as $lang ) {
$langs_host[] = parse_url( $lang, PHP_URL_HOST );
}
}
// Get host of CNAMES.
$cnames_host = get_rocket_cnames_host( array( 'all', 'css_and_js', 'js' ) );
// Check if the link isn't external.
// Insert the relative path to the array without query string.
if ( ( isset( $js_url['host'] ) && ( $js_url['host'] === $home_host || in_array( $js_url['host'], $cnames_host, true ) || in_array( $js_url['host'], $langs_host, true ) ) ) || ( ! isset( $js_url['host'] ) && preg_match( '#(' . $wp_content_dirname . '|wp-includes)#', $js_url['path'] ) ) ) {
// Check if it isn't a file to exclude.
if ( preg_match( '#^(' . $excluded_js . ')$#', $js_url['path'] ) && pathinfo( $js_url['path'], PATHINFO_EXTENSION ) === 'js' ) {
global $wp_scripts;
if ( get_rocket_option( 'defer_all_js', 0 ) && get_rocket_option( 'defer_all_js_safe', 0 ) && false !== strpos( $js_url['path'], $wp_scripts->registered['jquery-core']->src ) ) {
if ( get_rocket_option( 'remove_query_strings', 0 ) ) {
$tag_cache_busting = str_replace( $tags_match[1][ $i ], get_rocket_browser_cache_busting( $tags_match[1][ $i ], 'script_loader_src' ), $tag );
$external_tags[] = $tag_cache_busting;
} else {
$external_tags[] = $tag;
}
} else {
$excluded_tag = true;
}
} else {
$internal_files[] = $js_url['path'];
}
// If it's an excluded external file.
} elseif ( isset( $js_url['host'] ) && in_array( $js_url['host'], $excluded_external_js, true ) ) {
$excluded_tag = true;
// If it's an external file.
} else {
if ( ! in_array( $tags_match[1][ $i ], $js_in_footer, true ) && ! in_array( $js_url_with_scheme, $js_in_footer, true ) ) {
$external_tags[] = $tag;
}
}
// Remove the tag.
if ( ! $excluded_tag ) {
$buffer = str_replace( $tag, '', $buffer );
}
if ( $excluded_tag && get_rocket_option( 'remove_query_strings' ) ) {
$tag_cache_busting = str_replace( $tags_match[1][ $i ], get_rocket_browser_cache_busting( $tags_match[1][ $i ], 'script_loader_src' ), $tag );
$buffer = str_replace( $tag, $tag_cache_busting, $buffer );
}
}
$i++;
}
// Get external JS tags and remove duplicate scripts.
$external_tags = implode( '', array_unique( $external_tags ) );
// Remove domain on all JS in footer.
$js_in_footer = array_map( 'rocket_clean_exclude_file', $js_in_footer );
// Exclude JS files to insert in footer.
foreach ( $internal_files as $k => $url ) {
if ( in_array( $url, $js_in_footer, true ) ) {
unset( $internal_files[ $k ] );
}
}
// Insert the minify JS file.
return array( $buffer, $external_tags . get_rocket_minify_files( $internal_files ) );
}
/**
* Minify CSS/JS files without concatenation.
*
* @since 2.10
* @author Remy Perona
*
* @param string $buffer HTML code to parse.
* @param string $extension css or js.
* @return string Updated HTML code
*/
function rocket_minify_only( $buffer, $extension ) {
// Get host of CNAMES.
$hosts = get_rocket_cnames_host( array( 'all', 'css_and_js', 'css' ) );
$home_host = parse_url( home_url(), PHP_URL_HOST );
$hosts[] = $home_host;
// Get host for all langs.
if ( $langs = get_rocket_i18n_uri() ) {
foreach ( $langs as $lang ) {
$hosts[] = parse_url( $lang, PHP_URL_HOST );
}
}
$hosts_index = array_flip( $hosts );
if ( 'css' === $extension ) {
$excluded_files = implode( '|' , get_rocket_exclude_css() );
$excluded_files = str_replace( '//' . $home_host , '', $excluded_files );
// 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 );
}
if ( 'js' === $extension ) {
$excluded_files = implode( '|' , get_rocket_exclude_js() );
$excluded_files = str_replace( '//' . $home_host , '', $excluded_files );
// 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 );
}
$wp_content_dirname = ltrim( str_replace( home_url(), '', WP_CONTENT_URL ), '/' ) . '/';
foreach ( $tags_match[0] as $k => $tag ) {
if ( 'css' === $extension ) {
if ( false !== strpos( $tag, 'media=' ) && ! preg_match( '/media=["\'](?:["\']|[^"\']*?(all|screen)[^"\']*?["\'])/iU', $tag ) ) {
continue;
}
}
if ( false !== strpos( $tag, 'data-minify=' ) || false !== strpos( $tag, 'data-no-minify=' ) ) {
continue;
}
// Get URL info.
list( $file_host, $file_path ) = get_rocket_parse_url( set_url_scheme( $tags_match[1][ $k ] ) );
// Check if the file is external.
if ( ! isset( $file_host ) || ! isset( $hosts_index[ $file_host ] ) || ! preg_match( '#(' . $wp_content_dirname . '|wp-includes)#', $file_path ) ) {
continue;
}
// Check if it is a file to exclude.
if ( preg_match( '#^(' . $excluded_files . ')$#', $file_path ) || pathinfo( $file_path, PATHINFO_EXTENSION ) !== 'css' && pathinfo( $file_path, PATHINFO_EXTENSION ) !== 'js' || preg_match( '/(?:-|\.)min.' . $extension . '/i', $file_path ) ) {
if ( ! get_rocket_option( 'remove_query_strings' ) ) {
continue;
}
if ( 'css' === $extension ) {
$tag_cache_busting = str_replace( $tags_match[1][ $k ], get_rocket_browser_cache_busting( $tags_match[1][ $k ], 'style_loader_src' ), $tag );
}
if ( 'js' === $extension ) {
$tag_cache_busting = str_replace( $tags_match[1][ $k ], get_rocket_browser_cache_busting( $tags_match[1][ $k ], 'script_loader_src' ), $tag );
}
$buffer = str_replace( $tag, $tag_cache_busting, $buffer );
continue;
}
$tag_minified_url = str_replace( $tags_match[1][ $k ], get_rocket_minify_file( $tags_match[1][ $k ] ), $tag );
if ( 'css' === $extension ) {
$tag_minified_url = str_replace( $tags_match[2][ $k ], $tags_match[2][ $k ] . ' data-minify="1"', $tag_minified_url );
}
if ( 'js' === $extension ) {
$tag_minified_url = str_replace( '></script>', ' data-minify="1"></script>', $tag_minified_url );
}
$buffer = str_replace( $tag, $tag_minified_url, $buffer );
}
return $buffer;
}
/**
* Get all CSS ans JS files of IE conditionals tags
*
* @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 );
}
/**
* Replace WP Rocket IE conditionals 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;
}
/**
* Fix issue with SSL and minification
*
* @since 2.3
*
* @param string $url An url to filter to set the scheme to https if needed.
* @return string Updated URL
*/
function rocket_fix_ssl_minify( $url ) {
if ( is_ssl() && false === strpos( $url, 'https://' ) && ! in_array( parse_url( $url, PHP_URL_HOST ), get_rocket_cnames_host( array( 'all', 'css_js', 'css', 'js' ) ), true ) ) {
$url = str_replace( 'http://', 'https://', $url );
}
return $url;
}
add_filter( 'rocket_css_url', 'rocket_fix_ssl_minify' );
add_filter( 'rocket_js_url', 'rocket_fix_ssl_minify' );
/**
* Force the minification to create only 1 file.
*
* @since 2.6
*
* @param int $length maximum URL length.
* @param string $ext file extension.
* @return int Updated length
*/
function rocket_force_minify_combine_all( $length, $ext ) {
if ( 'css' === $ext && get_rocket_option( 'minify_css_combine_all', false ) ) {
$length = PHP_INT_MAX;
}
if ( 'js' === $ext && get_rocket_option( 'minify_js_combine_all', false ) ) {
$length = PHP_INT_MAX;
}
return $length;
}
add_filter( 'rocket_minify_filename_length', 'rocket_force_minify_combine_all', 10, 2 );
/**
* Extract all enqueued CSS files which should be exclude to the minification
*
* @since 2.6
*/
function rocket_extract_excluded_css_files() {
global $rocket_excluded_enqueue_css, $wp_styles, $pagenow;
if ( ! isset( $wp_styles->queue ) || ! is_array( $wp_styles->queue ) || ! get_rocket_option( 'minify_css', false ) || in_array( $pagenow, array( 'wp-login.php', 'wp-register.php' ), true ) || ( defined( 'DONOTMINIFYCSS' ) && DONOTMINIFYCSS ) || ( defined( 'DONOTCACHEPAGE' ) && DONOTCACHEPAGE ) || is_rocket_post_excluded_option( 'minify_css' ) || is_404() ) {
return;
}
$excluded_handle = array(
// None for the moment (should be a filter!).
);
foreach ( $wp_styles->queue as $handle ) {
if ( in_array( $handle, $excluded_handle, true ) || ( isset( $wp_styles->registered[ $handle ] ) && strstr( $wp_styles->registered[ $handle ]->args, 'only screen and' ) ) ) {
$rocket_excluded_enqueue_css[] = rocket_clean_exclude_file( rocket_set_internal_url_scheme( $wp_styles->registered[ $handle ]->src ) );
}
}
}
add_action( 'wp_print_styles', 'rocket_extract_excluded_css_files' );
/**
* Extract all enqueued JS files which should be exclude to the minification
*
* @since 2.6.1
*/
function rocket_extract_excluded_js_files() {
global $rocket_excluded_enqueue_js, $wp_scripts, $pagenow;
if ( ! isset( $wp_scripts->queue ) || ! is_array( $wp_scripts->queue ) || ! get_rocket_option( 'minify_js', false ) || in_array( $pagenow, array( 'wp-login.php', 'wp-register.php' ), true ) || ( defined( 'DONOTMINIFYJS' ) && DONOTMINIFYJS ) || ( defined( 'DONOTCACHEPAGE' ) && DONOTCACHEPAGE ) || is_rocket_post_excluded_option( 'minify_js' ) || is_404() ) {
return;
}
$excluded_handle = array(
'admin-bar'
);
/**
* Filter JS enqueued files to exclude to the minification process.
*
* @since 2.6.1
*
* @param array List of script's name.
*/
$excluded_handle = apply_filters( 'rocket_excluded_handle_js', $excluded_handle );
foreach ( $wp_scripts->queue as $handle ) {
if ( in_array( $handle, $excluded_handle, true ) ) {
$rocket_excluded_enqueue_js[] = rocket_clean_exclude_file( rocket_set_internal_url_scheme( $wp_scripts->registered[ $handle ]->src ) );
}
}
}
add_action( 'wp_print_scripts', 'rocket_extract_excluded_js_files' );
/**
* Extract all enqueued JS files which should be insert in the footer
*
* @since 2.10
* @since 2.6
*/
function rocket_extract_js_files_from_footer() {
global $rocket_enqueue_js_in_footer, $rocket_js_enqueued_in_head, $wp_scripts, $pagenow;
if ( get_rocket_option( 'minify_js', 0 ) && ! get_rocket_option( 'minify_concatenate_js', 0 ) ) {
return;
}
$rocket_enqueue_js_in_footer = array();
// This filter is documented in inc/front/process.php
$rocket_cache_search = apply_filters( 'rocket_cache_search', false );
if ( empty( $wp_scripts->done ) || ! get_rocket_option( 'minify_concatenate_js', false ) || in_array( $pagenow, array( 'wp-login.php', 'wp-register.php' ), true ) || ( defined( 'DONOTMINIFYJS' ) && DONOTMINIFYJS ) || ( defined( 'DONOTCACHEPAGE' ) && DONOTCACHEPAGE ) || is_rocket_post_excluded_option( 'minify_js' ) || is_404() || ( is_search() && ! $rocket_cache_search ) ) {
return;
}
// Digg Digg (https://wordpress.org/plugins/digg-digg/).
if ( defined( 'DD_PLUGIN_URL' ) ) {
$rocket_enqueue_js_in_footer[] = DD_PLUGIN_URL . '/js/diggdigg-floating-bar.js';
}
// nrelate Flyout (https://wordpress.org/plugins/nrelate-flyout/).
if ( defined( 'NRELATE_PLUGIN_VERSION' ) ) {
$rocket_enqueue_js_in_footer[] = ( NRELATE_JS_DEBUG ) ? 'http://staticrepo.nrelate.com/common_wp/' . NRELATE_PLUGIN_VERSION . '/nrelate_js.js' : NRELATE_ADMIN_URL . '/nrelate_js.min.js';
}
$home_host = parse_url( home_url(), PHP_URL_HOST );
$deferred_js_files = get_rocket_deferred_js_files();
$excluded_js = get_rocket_exclude_js();
$excluded_external_js = get_rocket_minify_excluded_external_js();
foreach ( $wp_scripts->done as $handle ) {
$script_src = $wp_scripts->registered[ $handle ]->src;
$script_src = ( strstr( $script_src, '/wp-includes/js/' ) ) ? $wp_scripts->base_url . $script_src : $script_src;
$script_src_cleaned = str_replace( array( 'http:', 'https:', '//' . $home_host ), '', $script_src );
if ( ! in_array( parse_url( $script_src, PHP_URL_HOST ), $excluded_external_js, true ) && ! in_array( $script_src, $deferred_js_files, true ) && ! in_array( parse_url( $script_src, PHP_URL_PATH ), $excluded_js, true ) && ! in_array( parse_url( $script_src_cleaned, PHP_URL_PATH ), $excluded_js, true ) ) {
if ( isset( $rocket_js_enqueued_in_head[ $handle ] ) ) {
continue;
}
// Dequeue JS files without extension.
if ( pathinfo( $script_src, PATHINFO_EXTENSION ) === '' ) {
wp_dequeue_script( $handle );
}
// Add protocol on external JS to prevent conflict.
if ( parse_url( $script_src, PHP_URL_HOST ) !== $home_host && false === strpos( $script_src, 'http://' ) && false === strpos( $script_src, 'https://' ) ) {
$script_src = set_url_scheme( $script_src );
}
$rocket_enqueue_js_in_footer[ $handle ] = rocket_set_internal_url_scheme( $script_src );
}
}
}
add_action( 'wp_footer', 'rocket_extract_js_files_from_footer', PHP_INT_MAX - 1000 );
/**
* Get all handles for JS files already enqueued in head
*
* @since 2.10
* @author Remy Perona
*/
function rocket_get_js_enqueued_in_head() {
global $wp_scripts, $rocket_js_enqueued_in_head;
if ( ! (bool) $wp_scripts->done ) {
return;
}
foreach ( $wp_scripts->done as $handle ) {
$rocket_js_enqueued_in_head[ $handle ] = true;
}
}
add_action( 'wp_head', 'rocket_get_js_enqueued_in_head', PHP_INT_MAX );
/**
* Compatibility with WordPress multisite with subfolders websites
*
* @since 2.6.5
*
* @param string $url minified file URL.
* @return string Updated minified file URL
*/
function rocket_fix_minify_multisite_path_issue( $url ) {
if ( ! is_multisite() || is_main_site() ) {
return $url;
}
// Current blog infos.
$blog_id = get_current_blog_id();
$bloginfo = get_blog_details( $blog_id, false );
// Main blog infos.
$main_blog_id = 1;
if ( ! empty( $GLOBALS['current_site']->blog_id ) ) {
$main_blog_id = absint( $GLOBALS['current_site']->blog_id );
}
elseif ( defined( 'BLOG_ID_CURRENT_SITE' ) ) {
$main_blog_id = absint( BLOG_ID_CURRENT_SITE );
}
elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated.
$main_blog_id = absint( BLOGID_CURRENT_SITE );
}
$main_bloginfo = get_blog_details( $main_blog_id, false );
if ( '/' !== $bloginfo->path ) {
$first_path_pos = strpos( $url, $bloginfo->path );
if ( false !== $first_path_pos ) {
$url = substr_replace( $url, $main_bloginfo->path, $first_path_pos, strlen( $bloginfo->path ) );
}
}
return $url;
}
add_filter( 'rocket_pre_minify_path', 'rocket_fix_minify_multisite_path_issue' );
/**
* Compatibility with multilingual plugins & multidomain configuration
*
* @since 2.6.13 Regression Fix: Apply CDN on minified CSS and JS files by checking the CNAME host
* @since 2.6.8
*
* @param string $url Minified file URL.
* @return string Updated minified file URL
*/
function rocket_minify_i18n_multidomain( $url ) {
if ( ! rocket_has_i18n() ) {
return $url;
}
$url_host = parse_url( $url, PHP_URL_HOST );
$zone = array( 'all', 'css_and_js' );
$current_filter = current_filter();
// Add only CSS zone.
if ( 'rocket_css_url' === $current_filter ) {
$zone[] = 'css';
}
// Add only JS zone.
if ( 'rocket_js_url' === $current_filter ) {
$zone[] = 'js';
}
$cnames = get_rocket_cdn_cnames( $zone );
$cnames = array_map( 'rocket_remove_url_protocol' , $cnames );
if ( $url_host !== $_SERVER['HTTP_HOST'] && in_array( $_SERVER['HTTP_HOST'], get_rocket_i18n_host(), true ) && ! in_array( $url_host, $cnames, true ) ) {
$url = str_replace( $url_host, $_SERVER['HTTP_HOST'], $url );
}
return $url;
}
add_filter( 'rocket_css_url', 'rocket_minify_i18n_multidomain' );
add_filter( 'rocket_js_url' , 'rocket_minify_i18n_multidomain' );