'd',
'DD',
'o',
'MM',
'M',
'm',
'mm',
'yy',
'y',
),
get_option( 'date_format' )
);
$datepicker_defaults = wp_json_encode(
array(
'closeText' => __( 'Close' ),
'currentText' => __( 'Today' ),
'monthNames' => array_values( $wp_locale->month ),
'monthNamesShort' => array_values( $wp_locale->month_abbrev ),
'nextText' => __( 'Next' ),
'prevText' => __( 'Previous' ),
'dayNames' => array_values( $wp_locale->weekday ),
'dayNamesShort' => array_values( $wp_locale->weekday_abbrev ),
'dayNamesMin' => array_values( $wp_locale->weekday_initial ),
'dateFormat' => $datepicker_date_format,
'firstDay' => absint( get_option( 'start_of_week' ) ),
'isRTL' => $wp_locale->is_rtl(),
)
);
wp_add_inline_script( 'jquery-ui-datepicker', "jQuery(function(jQuery){jQuery.datepicker.setDefaults({$datepicker_defaults});});" );
}
/**
* Localizes community events data that needs to be passed to dashboard.js.
*
* @since 4.8.0
*/
function wp_localize_community_events() {
if ( ! wp_script_is( 'dashboard' ) ) {
return;
}
require_once ABSPATH . 'wp-admin/includes/class-wp-community-events.php';
$user_id = get_current_user_id();
$saved_location = get_user_option( 'community-events-location', $user_id );
$saved_ip_address = isset( $saved_location['ip'] ) ? $saved_location['ip'] : false;
$current_ip_address = WP_Community_Events::get_unsafe_client_ip();
/*
* If the user's location is based on their IP address, then update their
* location when their IP address changes. This allows them to see events
* in their current city when travelling. Otherwise, they would always be
* shown events in the city where they were when they first loaded the
* Dashboard, which could have been months or years ago.
*/
if ( $saved_ip_address && $current_ip_address && $current_ip_address !== $saved_ip_address ) {
$saved_location['ip'] = $current_ip_address;
update_user_meta( $user_id, 'community-events-location', $saved_location );
}
$events_client = new WP_Community_Events( $user_id, $saved_location );
wp_localize_script(
'dashboard',
'communityEventsData',
array(
'nonce' => wp_create_nonce( 'community_events' ),
'cache' => $events_client->get_cached_events(),
'time_format' => get_option( 'time_format' ),
)
);
}
/**
* Administration Screen CSS for changing the styles.
*
* If installing the 'wp-admin/' directory will be replaced with './'.
*
* The $_wp_admin_css_colors global manages the Administration Screens CSS
* stylesheet that is loaded. The option that is set is 'admin_color' and is the
* color and key for the array. The value for the color key is an object with
* a 'url' parameter that has the URL path to the CSS file.
*
* The query from $src parameter will be appended to the URL that is given from
* the $_wp_admin_css_colors array value URL.
*
* @since 2.6.0
*
* @global array $_wp_admin_css_colors
*
* @param string $src Source URL.
* @param string $handle Either 'colors' or 'colors-rtl'.
* @return string|false URL path to CSS stylesheet for Administration Screens.
*/
function wp_style_loader_src( $src, $handle ) {
global $_wp_admin_css_colors;
if ( wp_installing() ) {
return preg_replace( '#^wp-admin/#', './', $src );
}
if ( 'colors' === $handle ) {
$color = get_user_option( 'admin_color' );
if ( empty( $color ) || ! isset( $_wp_admin_css_colors[ $color ] ) ) {
$color = 'fresh';
}
$color = $_wp_admin_css_colors[ $color ];
$url = $color->url;
if ( ! $url ) {
return false;
}
$parsed = parse_url( $src );
if ( isset( $parsed['query'] ) && $parsed['query'] ) {
wp_parse_str( $parsed['query'], $qv );
$url = add_query_arg( $qv, $url );
}
return $url;
}
return $src;
}
/**
* Prints the script queue in the HTML head on admin pages.
*
* Postpones the scripts that were queued for the footer.
* print_footer_scripts() is called in the footer to print these scripts.
*
* @since 2.8.0
*
* @see wp_print_scripts()
*
* @global bool $concatenate_scripts
*
* @return array
*/
function print_head_scripts() {
global $concatenate_scripts;
if ( ! did_action( 'wp_print_scripts' ) ) {
/** This action is documented in wp-includes/functions.wp-scripts.php */
do_action( 'wp_print_scripts' );
}
$wp_scripts = wp_scripts();
script_concat_settings();
$wp_scripts->do_concat = $concatenate_scripts;
$wp_scripts->do_head_items();
/**
* Filters whether to print the head scripts.
*
* @since 2.8.0
*
* @param bool $print Whether to print the head scripts. Default true.
*/
if ( apply_filters( 'print_head_scripts', true ) ) {
_print_scripts();
}
$wp_scripts->reset();
return $wp_scripts->done;
}
/**
* Prints the scripts that were queued for the footer or too late for the HTML head.
*
* @since 2.8.0
*
* @global WP_Scripts $wp_scripts
* @global bool $concatenate_scripts
*
* @return array
*/
function print_footer_scripts() {
global $wp_scripts, $concatenate_scripts;
if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
return array(); // No need to run if not instantiated.
}
script_concat_settings();
$wp_scripts->do_concat = $concatenate_scripts;
$wp_scripts->do_footer_items();
/**
* Filters whether to print the footer scripts.
*
* @since 2.8.0
*
* @param bool $print Whether to print the footer scripts. Default true.
*/
if ( apply_filters( 'print_footer_scripts', true ) ) {
_print_scripts();
}
$wp_scripts->reset();
return $wp_scripts->done;
}
/**
* Prints scripts (internal use only)
*
* @ignore
*
* @global WP_Scripts $wp_scripts
* @global bool $compress_scripts
*/
function _print_scripts() {
global $wp_scripts, $compress_scripts;
$zip = $compress_scripts ? 1 : 0;
if ( $zip && defined( 'ENFORCE_GZIP' ) && ENFORCE_GZIP ) {
$zip = 'gzip';
}
$concat = trim( $wp_scripts->concat, ', ' );
$type_attr = current_theme_supports( 'html5', 'script' ) ? '' : " type='text/javascript'";
if ( $concat ) {
if ( ! empty( $wp_scripts->print_code ) ) {
echo "\n\n";
}
$concat = str_split( $concat, 128 );
$concatenated = '';
foreach ( $concat as $key => $chunk ) {
$concatenated .= "&load%5Bchunk_{$key}%5D={$chunk}";
}
$src = $wp_scripts->base_url . "/wp-admin/load-scripts.php?c={$zip}" . $concatenated . '&ver=' . $wp_scripts->default_version;
echo "\n";
}
if ( ! empty( $wp_scripts->print_html ) ) {
echo $wp_scripts->print_html;
}
}
/**
* Prints the script queue in the HTML head on the front end.
*
* Postpones the scripts that were queued for the footer.
* wp_print_footer_scripts() is called in the footer to print these scripts.
*
* @since 2.8.0
*
* @global WP_Scripts $wp_scripts
*
* @return array
*/
function wp_print_head_scripts() {
global $wp_scripts;
if ( ! did_action( 'wp_print_scripts' ) ) {
/** This action is documented in wp-includes/functions.wp-scripts.php */
do_action( 'wp_print_scripts' );
}
if ( ! ( $wp_scripts instanceof WP_Scripts ) ) {
return array(); // No need to run if nothing is queued.
}
return print_head_scripts();
}
/**
* Private, for use in *_footer_scripts hooks
*
* @since 3.3.0
*/
function _wp_footer_scripts() {
print_late_styles();
print_footer_scripts();
}
/**
* Hooks to print the scripts and styles in the footer.
*
* @since 2.8.0
*/
function wp_print_footer_scripts() {
/**
* Fires when footer scripts are printed.
*
* @since 2.8.0
*/
do_action( 'wp_print_footer_scripts' );
}
/**
* Wrapper for do_action( 'wp_enqueue_scripts' ).
*
* Allows plugins to queue scripts for the front end using wp_enqueue_script().
* Runs first in wp_head() where all is_home(), is_page(), etc. functions are available.
*
* @since 2.8.0
*/
function wp_enqueue_scripts() {
/**
* Fires when scripts and styles are enqueued.
*
* @since 2.8.0
*/
do_action( 'wp_enqueue_scripts' );
}
/**
* Prints the styles queue in the HTML head on admin pages.
*
* @since 2.8.0
*
* @global bool $concatenate_scripts
*
* @return array
*/
function print_admin_styles() {
global $concatenate_scripts;
$wp_styles = wp_styles();
script_concat_settings();
$wp_styles->do_concat = $concatenate_scripts;
$wp_styles->do_items( false );
/**
* Filters whether to print the admin styles.
*
* @since 2.8.0
*
* @param bool $print Whether to print the admin styles. Default true.
*/
if ( apply_filters( 'print_admin_styles', true ) ) {
_print_styles();
}
$wp_styles->reset();
return $wp_styles->done;
}
/**
* Prints the styles that were queued too late for the HTML head.
*
* @since 3.3.0
*
* @global WP_Styles $wp_styles
* @global bool $concatenate_scripts
*
* @return array|void
*/
function print_late_styles() {
global $wp_styles, $concatenate_scripts;
if ( ! ( $wp_styles instanceof WP_Styles ) ) {
return;
}
script_concat_settings();
$wp_styles->do_concat = $concatenate_scripts;
$wp_styles->do_footer_items();
/**
* Filters whether to print the styles queued too late for the HTML head.
*
* @since 3.3.0
*
* @param bool $print Whether to print the 'late' styles. Default true.
*/
if ( apply_filters( 'print_late_styles', true ) ) {
_print_styles();
}
$wp_styles->reset();
return $wp_styles->done;
}
/**
* Prints styles (internal use only).
*
* @ignore
* @since 3.3.0
*
* @global bool $compress_css
*/
function _print_styles() {
global $compress_css;
$wp_styles = wp_styles();
$zip = $compress_css ? 1 : 0;
if ( $zip && defined( 'ENFORCE_GZIP' ) && ENFORCE_GZIP ) {
$zip = 'gzip';
}
$concat = trim( $wp_styles->concat, ', ' );
$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
if ( $concat ) {
$dir = $wp_styles->text_direction;
$ver = $wp_styles->default_version;
$concat = str_split( $concat, 128 );
$concatenated = '';
foreach ( $concat as $key => $chunk ) {
$concatenated .= "&load%5Bchunk_{$key}%5D={$chunk}";
}
$href = $wp_styles->base_url . "/wp-admin/load-styles.php?c={$zip}&dir={$dir}" . $concatenated . '&ver=' . $ver;
echo "\n";
if ( ! empty( $wp_styles->print_code ) ) {
echo "\n";
}
}
if ( ! empty( $wp_styles->print_html ) ) {
echo $wp_styles->print_html;
}
}
/**
* Determines the concatenation and compression settings for scripts and styles.
*
* @since 2.8.0
*
* @global bool $concatenate_scripts
* @global bool $compress_scripts
* @global bool $compress_css
*/
function script_concat_settings() {
global $concatenate_scripts, $compress_scripts, $compress_css;
$compressed_output = ( ini_get( 'zlib.output_compression' ) || 'ob_gzhandler' === ini_get( 'output_handler' ) );
$can_compress_scripts = ! wp_installing() && get_site_option( 'can_compress_scripts' );
if ( ! isset( $concatenate_scripts ) ) {
$concatenate_scripts = defined( 'CONCATENATE_SCRIPTS' ) ? CONCATENATE_SCRIPTS : true;
if ( ( ! is_admin() && ! did_action( 'login_init' ) ) || ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ) {
$concatenate_scripts = false;
}
}
if ( ! isset( $compress_scripts ) ) {
$compress_scripts = defined( 'COMPRESS_SCRIPTS' ) ? COMPRESS_SCRIPTS : true;
if ( $compress_scripts && ( ! $can_compress_scripts || $compressed_output ) ) {
$compress_scripts = false;
}
}
if ( ! isset( $compress_css ) ) {
$compress_css = defined( 'COMPRESS_CSS' ) ? COMPRESS_CSS : true;
if ( $compress_css && ( ! $can_compress_scripts || $compressed_output ) ) {
$compress_css = false;
}
}
}
/**
* Handles the enqueueing of block scripts and styles that are common to both
* the editor and the front-end.
*
* @since 5.0.0
*/
function wp_common_block_scripts_and_styles() {
if ( is_admin() && ! wp_should_load_block_editor_scripts_and_styles() ) {
return;
}
wp_enqueue_style( 'wp-block-library' );
if ( current_theme_supports( 'wp-block-styles' ) && ! wp_should_load_separate_core_block_assets() ) {
wp_enqueue_style( 'wp-block-library-theme' );
}
/**
* Fires after enqueuing block assets for both editor and front-end.
*
* Call `add_action` on any hook before 'wp_enqueue_scripts'.
*
* In the function call you supply, simply use `wp_enqueue_script` and
* `wp_enqueue_style` to add your functionality to the Gutenberg editor.
*
* @since 5.0.0
*/
do_action( 'enqueue_block_assets' );
}
/**
* Applies a filter to the list of style nodes that comes from WP_Theme_JSON::get_style_nodes().
*
* This particular filter removes all of the blocks from the array.
*
* We want WP_Theme_JSON to be ignorant of the implementation details of how the CSS is being used.
* This filter allows us to modify the output of WP_Theme_JSON depending on whether or not we are
* loading separate assets, without making the class aware of that detail.
*
* @since 6.1.0
*
* @param array $nodes The nodes to filter.
* @return array A filtered array of style nodes.
*/
function wp_filter_out_block_nodes( $nodes ) {
return array_filter(
$nodes,
static function ( $node ) {
return ! in_array( 'blocks', $node['path'], true );
},
ARRAY_FILTER_USE_BOTH
);
}
/**
* Enqueues the global styles defined via theme.json.
*
* @since 5.8.0
*/
function wp_enqueue_global_styles() {
$separate_assets = wp_should_load_separate_core_block_assets();
$is_block_theme = wp_is_block_theme();
$is_classic_theme = ! $is_block_theme;
/*
* Global styles should be printed in the head when loading all styles combined.
* The footer should only be used to print global styles for classic themes with separate core assets enabled.
*
* See https://core.trac.wordpress.org/ticket/53494.
*/
if (
( $is_block_theme && doing_action( 'wp_footer' ) ) ||
( $is_classic_theme && doing_action( 'wp_footer' ) && ! $separate_assets ) ||
( $is_classic_theme && doing_action( 'wp_enqueue_scripts' ) && $separate_assets )
) {
return;
}
/*
* If loading the CSS for each block separately, then load the theme.json CSS conditionally.
* This removes the CSS from the global-styles stylesheet and adds it to the inline CSS for each block.
* This filter must be registered before calling wp_get_global_stylesheet();
*/
add_filter( 'wp_theme_json_get_style_nodes', 'wp_filter_out_block_nodes' );
$stylesheet = wp_get_global_stylesheet();
if ( empty( $stylesheet ) ) {
return;
}
wp_register_style( 'global-styles', false );
wp_add_inline_style( 'global-styles', $stylesheet );
wp_enqueue_style( 'global-styles' );
// Add each block as an inline css.
wp_add_global_styles_for_blocks();
}
/**
* Enqueues the global styles custom css defined via theme.json.
*
* @since 6.2.0
*/
function wp_enqueue_global_styles_custom_css() {
if ( ! wp_is_block_theme() ) {
return;
}
// Don't enqueue Customizer's custom CSS separately.
remove_action( 'wp_head', 'wp_custom_css_cb', 101 );
$custom_css = wp_get_custom_css();
$custom_css .= wp_get_global_styles_custom_css();
if ( ! empty( $custom_css ) ) {
wp_add_inline_style( 'global-styles', $custom_css );
}
}
/**
* Checks if the editor scripts and styles for all registered block types
* should be enqueued on the current screen.
*
* @since 5.6.0
*
* @global WP_Screen $current_screen WordPress current screen object.
*
* @return bool Whether scripts and styles should be enqueued.
*/
function wp_should_load_block_editor_scripts_and_styles() {
global $current_screen;
$is_block_editor_screen = ( $current_screen instanceof WP_Screen ) && $current_screen->is_block_editor();
/**
* Filters the flag that decides whether or not block editor scripts and styles
* are going to be enqueued on the current screen.
*
* @since 5.6.0
*
* @param bool $is_block_editor_screen Current value of the flag.
*/
return apply_filters( 'should_load_block_editor_scripts_and_styles', $is_block_editor_screen );
}
/**
* Checks whether separate styles should be loaded for core blocks on-render.
*
* When this function returns true, other functions ensure that core blocks
* only load their assets on-render, and each block loads its own, individual
* assets. Third-party blocks only load their assets when rendered.
*
* When this function returns false, all core block assets are loaded regardless
* of whether they are rendered in a page or not, because they are all part of
* the `block-library/style.css` file. Assets for third-party blocks are always
* enqueued regardless of whether they are rendered or not.
*
* This only affects front end and not the block editor screens.
*
* @see wp_enqueue_registered_block_scripts_and_styles()
* @see register_block_style_handle()
*
* @since 5.8.0
*
* @return bool Whether separate assets will be loaded.
*/
function wp_should_load_separate_core_block_assets() {
if ( is_admin() || is_feed() || wp_is_rest_endpoint() ) {
return false;
}
/**
* Filters whether block styles should be loaded separately.
*
* Returning false loads all core block assets, regardless of whether they are rendered
* in a page or not. Returning true loads core block assets only when they are rendered.
*
* @since 5.8.0
*
* @param bool $load_separate_assets Whether separate assets will be loaded.
* Default false (all block assets are loaded, even when not used).
*/
return apply_filters( 'should_load_separate_core_block_assets', false );
}
/**
* Enqueues registered block scripts and styles, depending on current rendered
* context (only enqueuing editor scripts while in context of the editor).
*
* @since 5.0.0
*
* @global WP_Screen $current_screen WordPress current screen object.
*/
function wp_enqueue_registered_block_scripts_and_styles() {
global $current_screen;
if ( wp_should_load_separate_core_block_assets() ) {
return;
}
$load_editor_scripts_and_styles = is_admin() && wp_should_load_block_editor_scripts_and_styles();
$block_registry = WP_Block_Type_Registry::get_instance();
foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
// Front-end and editor styles.
foreach ( $block_type->style_handles as $style_handle ) {
wp_enqueue_style( $style_handle );
}
// Front-end and editor scripts.
foreach ( $block_type->script_handles as $script_handle ) {
wp_enqueue_script( $script_handle );
}
if ( $load_editor_scripts_and_styles ) {
// Editor styles.
foreach ( $block_type->editor_style_handles as $editor_style_handle ) {
wp_enqueue_style( $editor_style_handle );
}
// Editor scripts.
foreach ( $block_type->editor_script_handles as $editor_script_handle ) {
wp_enqueue_script( $editor_script_handle );
}
}
}
}
/**
* Function responsible for enqueuing the styles required for block styles functionality on the editor and on the frontend.
*
* @since 5.3.0
*
* @global WP_Styles $wp_styles
*/
function enqueue_block_styles_assets() {
global $wp_styles;
$block_styles = WP_Block_Styles_Registry::get_instance()->get_all_registered();
foreach ( $block_styles as $block_name => $styles ) {
foreach ( $styles as $style_properties ) {
if ( isset( $style_properties['style_handle'] ) ) {
// If the site loads separate styles per-block, enqueue the stylesheet on render.
if ( wp_should_load_separate_core_block_assets() ) {
add_filter(
'render_block',
static function ( $html, $block ) use ( $block_name, $style_properties ) {
if ( $block['blockName'] === $block_name ) {
wp_enqueue_style( $style_properties['style_handle'] );
}
return $html;
},
10,
2
);
} else {
wp_enqueue_style( $style_properties['style_handle'] );
}
}
if ( isset( $style_properties['inline_style'] ) ) {
// Default to "wp-block-library".
$handle = 'wp-block-library';
// If the site loads separate styles per-block, check if the block has a stylesheet registered.
if ( wp_should_load_separate_core_block_assets() ) {
$block_stylesheet_handle = generate_block_asset_handle( $block_name, 'style' );
if ( isset( $wp_styles->registered[ $block_stylesheet_handle ] ) ) {
$handle = $block_stylesheet_handle;
}
}
// Add inline styles to the calculated handle.
wp_add_inline_style( $handle, $style_properties['inline_style'] );
}
}
}
}
/**
* Function responsible for enqueuing the assets required for block styles functionality on the editor.
*
* @since 5.3.0
*/
function enqueue_editor_block_styles_assets() {
$block_styles = WP_Block_Styles_Registry::get_instance()->get_all_registered();
$register_script_lines = array( '( function() {' );
foreach ( $block_styles as $block_name => $styles ) {
foreach ( $styles as $style_properties ) {
$block_style = array(
'name' => $style_properties['name'],
'label' => $style_properties['label'],
);
if ( isset( $style_properties['is_default'] ) ) {
$block_style['isDefault'] = $style_properties['is_default'];
}
$register_script_lines[] = sprintf(
' wp.blocks.registerBlockStyle( \'%s\', %s );',
$block_name,
wp_json_encode( $block_style )
);
}
}
$register_script_lines[] = '} )();';
$inline_script = implode( "\n", $register_script_lines );
wp_register_script( 'wp-block-styles', false, array( 'wp-blocks' ), true, array( 'in_footer' => true ) );
wp_add_inline_script( 'wp-block-styles', $inline_script );
wp_enqueue_script( 'wp-block-styles' );
}
/**
* Enqueues the assets required for the block directory within the block editor.
*
* @since 5.5.0
*/
function wp_enqueue_editor_block_directory_assets() {
wp_enqueue_script( 'wp-block-directory' );
wp_enqueue_style( 'wp-block-directory' );
}
/**
* Enqueues the assets required for the format library within the block editor.
*
* @since 5.8.0
*/
function wp_enqueue_editor_format_library_assets() {
wp_enqueue_script( 'wp-format-library' );
wp_enqueue_style( 'wp-format-library' );
}
/**
* Sanitizes an attributes array into an attributes string to be placed inside a `\n", wp_sanitize_script_attributes( $attributes ) );
}
/**
* Prints formatted `
*
* In an HTML document this would print "…" to the console,
* but in an XHTML document it would print "…" to the console.
*
*
*
* In an HTML document this would print "An image is in HTML",
* but it's an invalid XHTML document because it interprets the ``
* as an empty tag missing its closing `/`.
*
* @see https://www.w3.org/TR/xhtml1/#h-4.8
*/
if (
! $is_html5 &&
(
! isset( $attributes['type'] ) ||
'module' === $attributes['type'] ||
str_contains( $attributes['type'], 'javascript' ) ||
str_contains( $attributes['type'], 'ecmascript' ) ||
str_contains( $attributes['type'], 'jscript' ) ||
str_contains( $attributes['type'], 'livescript' )
)
) {
/*
* If the string `]]>` exists within the JavaScript it would break
* out of any wrapping CDATA section added here, so to start, it's
* necessary to escape that sequence which requires splitting the
* content into two CDATA sections wherever it's found.
*
* Note: it's only necessary to escape the closing `]]>` because
* an additional `', ']]]]>', $data );
// Wrap the entire escaped script inside a CDATA section.
$data = sprintf( "/* */", $data );
}
$data = "\n" . trim( $data, "\n\r " ) . "\n";
/**
* Filters attributes to be added to a script tag.
*
* @since 5.7.0
*
* @param array $attributes Key-value pairs representing `\n", wp_sanitize_script_attributes( $attributes ), $data );
}
/**
* Prints an inline script tag.
*
* It is possible to inject attributes in the `" from
* around an inline script after trimming whitespace. Typically this
* is used in conjunction with output buffering, where `ob_get_clean()`
* is passed as the `$contents` argument.
*
* Example:
*
* // Strips exact literal empty SCRIPT tags.
* $js = ';
* 'sayHello();' === wp_remove_surrounding_empty_script_tags( $js );
*
* // Otherwise if anything is different it warns in the JS console.
* $js = '';
* 'console.error( ... )' === wp_remove_surrounding_empty_script_tags( $js );
*
* @since 6.4.0
* @access private
*
* @see wp_print_inline_script_tag()
* @see wp_get_inline_script_tag()
*
* @param string $contents Script body with manually created SCRIPT tag literals.
* @return string Script body without surrounding script tag literals, or
* original contents if both exact literals aren't present.
*/
function wp_remove_surrounding_empty_script_tags( $contents ) {
$contents = trim( $contents );
$opener = '';
if (
strlen( $contents ) > strlen( $opener ) + strlen( $closer ) &&
strtoupper( substr( $contents, 0, strlen( $opener ) ) ) === $opener &&
strtoupper( substr( $contents, -strlen( $closer ) ) ) === $closer
) {
return substr( $contents, strlen( $opener ), -strlen( $closer ) );
} else {
$error_message = __( 'Expected string to start with script tag (without attributes) and end with script tag, with optional whitespace.' );
_doing_it_wrong( __FUNCTION__, $error_message, '6.4' );
return sprintf(
'console.error(%s)',
wp_json_encode(
sprintf(
/* translators: %s: wp_remove_surrounding_empty_script_tags() */
__( 'Function %s used incorrectly in PHP.' ),
'wp_remove_surrounding_empty_script_tags()'
) . ' ' . $error_message
)
);
}
}
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