if ( ! function_exists( '_sanitize_text_fields' ) ):
/**
* Internal helper function to sanitize a string from user input or from the db
*
* @since 4.7.0
* @access private
*
* @param string $str String to sanitize.
* @param bool $keep_newlines optional Whether to keep newlines. Default: false.
* @return string Sanitized string.
*/
function _sanitize_text_fields( $str, $keep_newlines = false ) {
$filtered = wp_check_invalid_utf8( $str );
if ( strpos( $filtered, '<' ) !== false ) {
$filtered = wp_pre_kses_less_than( $filtered );
// This will strip extra whitespace for us.
$filtered = wp_strip_all_tags( $filtered, false );
// Use html entities in a special case to make sure no later
// newline stripping stage could lead to a functional tag
$filtered = str_replace( "<\n", "<\n", $filtered );
}
if ( ! $keep_newlines ) {
$filtered = preg_replace( '/[\r\n\t ]+/', ' ', $filtered );
}
$filtered = trim( $filtered );
$found = false;
while ( preg_match( '/%[a-f0-9]{2}/i', $filtered, $match ) ) {
$filtered = str_replace( $match[0], '', $filtered );
$found = true;
}
if ( $found ) {
// Strip out the whitespace that may now exist after removing the octets.
$filtered = trim( preg_replace( '/ +/', ' ', $filtered ) );
}
return $filtered;
}
endif;
if ( ! function_exists( 'get_site' ) ):
/**
* Retrieves site data given a site ID or site object.
*
* Site data will be cached and returned after being passed through a filter.
* If the provided site is empty, the current site global will be used.
*
* @since 4.6.0
*
* @param WP_Site|int|null $site Optional. Site to retrieve. Default is the current site.
* @return WP_Site|null The site object or null if not found.
*/
function get_site( $site = null ) {
if ( empty( $site ) ) {
$site = get_current_blog_id();
}
if ( $site instanceof WP_Site ) {
$_site = $site;
} elseif ( is_object( $site ) ) {
$_site = new WP_Site( $site );
} else {
$_site = WP_Site::get_instance( $site );
}
if ( ! $_site ) {
return null;
}
/**
* Fires after a site is retrieved.
*
* @since 4.6.0
*
* @param WP_Site $_site Site data.
*/
$_site = apply_filters( 'get_site', $_site );
return $_site;
}
endif;
if ( ! function_exists( 'sanitize_textarea_field' ) ):
/**
* Sanitizes a multiline string from user input or from the database.
*
* The function is like sanitize_text_field(), but preserves
* new lines (\n) and other whitespace, which are legitimate
* input in textarea elements.
*
* @see sanitize_text_field()
*
* @since 4.7.0
*
* @param string $str String to sanitize.
* @return string Sanitized string.
*/
function sanitize_textarea_field( $str ) {
$filtered = _sanitize_text_fields( $str, true );
/**
* Filters a sanitized textarea field string.
*
* @since 4.7.0
*
* @param string $filtered The sanitized string.
* @param string $str The string prior to being sanitized.
*/
return apply_filters( 'sanitize_textarea_field', $filtered, $str );
}
endif;
if ( ! function_exists( 'wp_doing_ajax' ) ):
function wp_doing_ajax() {
/**
* Filters whether the current request is an Ajax request.
*
* @since 4.7.0
*
* @param bool $wp_doing_ajax Whether the current request is an Ajax request.
*/
return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
}
endif;
if ( ! function_exists( 'wp_doing_cron' ) ):
function wp_doing_cron() {
/**
* Filters whether the current request is a WordPress cron request.
*
* @since 4.8.0
*
* @param bool $wp_doing_cron Whether the current request is a WordPress cron request.
*/
return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON );
}
endif;
if ( ! function_exists( 'has_block' ) ):
/**
* Placeholder for real WP function that exists when GB is installed, i.e. WP >= 5.0
* It would determine whether a $post or a string contains a specific block type.
*
* @see has_block()
*
* @since 4.2
*
* @return bool forced false result.
*/
function has_block() {
return false;
}
endif;
if ( ! function_exists( 'wp_get_default_update_php_url' ) ) :
/**
* Gets the default URL to learn more about updating the PHP version the site is running on.
*
* Do not use this function to retrieve this URL. Instead, use {@see wp_get_update_php_url()} when relying on the URL.
* This function does not allow modifying the returned URL, and is only used to compare the actually used URL with the
* default one.
*
* @since 5.1.0
* @access private
*
* @return string Default URL to learn more about updating PHP.
*/
function wp_get_default_update_php_url() {
return _x( 'https://wordpress.org/support/update-php/', 'localized PHP upgrade information page' );
}
endif;
if ( ! function_exists( 'wp_get_update_php_url' ) ) :
/**
* Gets the URL to learn more about updating the PHP version the site is running on.
*
* This URL can be overridden by specifying an environment variable `WP_UPDATE_PHP_URL` or by using the
* {@see 'wp_update_php_url'} filter. Providing an empty string is not allowed and will result in the
* default URL being used. Furthermore the page the URL links to should preferably be localized in the
* site language.
*
* @since 5.1.0
*
* @return string URL to learn more about updating PHP.
*/
function wp_get_update_php_url() {
$default_url = wp_get_default_update_php_url();
$update_url = $default_url;
if ( false !== getenv( 'WP_UPDATE_PHP_URL' ) ) {
$update_url = getenv( 'WP_UPDATE_PHP_URL' );
}
/**
* Filters the URL to learn more about updating the PHP version the site is running on.
*
* Providing an empty string is not allowed and will result in the default URL being used. Furthermore
* the page the URL links to should preferably be localized in the site language.
*
* @since 5.1.0
*
* @param string $update_url URL to learn more about updating PHP.
*/
$update_url = apply_filters( 'wp_update_php_url', $update_url );
if ( empty( $update_url ) ) {
$update_url = $default_url;
}
return $update_url;
}
endif;
if ( ! function_exists( 'wp_get_update_php_annotation' ) ) :
/**
* Returns the default annotation for the web hosting altering the "Update PHP" page URL.
*
* This function is to be used after {@see wp_get_update_php_url()} to return a consistent
* annotation if the web host has altered the default "Update PHP" page URL.
*
* @since 5.2.0
*
* @return string Update PHP page annotation. An empty string if no custom URLs are provided.
*/
function wp_get_update_php_annotation() {
$update_url = wp_get_update_php_url();
$default_url = wp_get_default_update_php_url();
if ( $update_url === $default_url ) {
return '';
}
$annotation = sprintf(
/* translators: %s: Default Update PHP page URL. */
__( 'This resource is provided by your web host, and is specific to your site. For more information, see the official WordPress documentation.' ),
esc_url( $default_url )
);
return $annotation;
}
endif;
if ( ! function_exists( 'wp_update_php_annotation' ) ) :
/**
* Prints the default annotation for the web host altering the "Update PHP" page URL.
*
* This function is to be used after {@see wp_get_update_php_url()} to display a consistent
* annotation if the web host has altered the default "Update PHP" page URL.
*
* @since 5.1.0
* @since 5.2.0 Added the `$before` and `$after` parameters.
*
* @param string $before Markup to output before the annotation. Default ``.
* @param string $after Markup to output after the annotation. Default `
`.
*/
function wp_update_php_annotation( $before = '', $after = '
' ) {
$annotation = wp_get_update_php_annotation();
if ( $annotation ) {
echo et_core_intentionally_unescaped( $before . $annotation . $after, 'html' );
}
}
endif;
if ( ! function_exists( 'is_wp_version_compatible' ) ) :
/**
* Checks compatibility with the current WordPress version.
*
* @since 5.2.0
*
* @param string $required Minimum required WordPress version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_wp_version_compatible( $required ) {
return empty( $required ) || version_compare( get_bloginfo( 'version' ), $required, '>=' );
}
endif;
if ( ! function_exists( 'is_php_version_compatible' ) ) :
/**
* Checks compatibility with the current PHP version.
*
* @since 5.2.0
*
* @param string $required Minimum required PHP version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_php_version_compatible( $required ) {
return empty( $required ) || version_compare( phpversion(), $required, '>=' );
}
endif;
if ( ! function_exists( 'wp_body_open' ) ) :
/**
* Fire the wp_body_open action.
*
* See {@see 'wp_body_open'}.
*
* @since 5.2.0
*/
function wp_body_open() {
/**
* Triggered after the opening body tag.
*
* @since 5.2.0
*/
do_action( 'wp_body_open' );
}
endif;
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2026-02-09T08:49:31+00:00