`. * @param string $after Markup to output after the annotation. Default `
`. * @param bool $display Whether to echo or return the markup. Default `true` for echo. * * @return string|void */ function wp_update_php_annotation( $before = '', $after = '
', $display = true ) { $annotation = wp_get_update_php_annotation(); if ( $annotation ) { if ( $display ) { echo $before . $annotation . $after; } else { return $before . $annotation . $after; } } } /** * 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; } /** * Gets the URL for directly updating the PHP version the site is running on. * * A URL will only be returned if the `WP_DIRECT_UPDATE_PHP_URL` environment variable is specified or * by using the {@see 'wp_direct_php_update_url'} filter. This allows hosts to send users directly to * the page where they can update PHP to a newer version. * * @since 5.1.1 * * @return string URL for directly updating PHP or empty string. */ function wp_get_direct_php_update_url() { $direct_update_url = ''; if ( false !== getenv( 'WP_DIRECT_UPDATE_PHP_URL' ) ) { $direct_update_url = getenv( 'WP_DIRECT_UPDATE_PHP_URL' ); } /** * Filters the URL for directly updating the PHP version the site is running on from the host. * * @since 5.1.1 * * @param string $direct_update_url URL for directly updating PHP. */ $direct_update_url = apply_filters( 'wp_direct_php_update_url', $direct_update_url ); return $direct_update_url; } /** * Displays a button directly linking to a PHP update process. * * This provides hosts with a way for users to be sent directly to their PHP update process. * * The button is only displayed if a URL is returned by `wp_get_direct_php_update_url()`. * * @since 5.1.1 */ function wp_direct_php_update_button() { $direct_update_url = wp_get_direct_php_update_url(); if ( empty( $direct_update_url ) ) { return; } echo ' '; } /** * Gets the URL to learn more about updating the site to use HTTPS. * * This URL can be overridden by specifying an environment variable `WP_UPDATE_HTTPS_URL` or by using the * {@see 'wp_update_https_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 5.7.0 * * @return string URL to learn more about updating to HTTPS. */ function wp_get_update_https_url() { $default_url = wp_get_default_update_https_url(); $update_url = $default_url; if ( false !== getenv( 'WP_UPDATE_HTTPS_URL' ) ) { $update_url = getenv( 'WP_UPDATE_HTTPS_URL' ); } /** * Filters the URL to learn more about updating the HTTPS 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 5.7.0 * * @param string $update_url URL to learn more about updating HTTPS. */ $update_url = apply_filters( 'wp_update_https_url', $update_url ); if ( empty( $update_url ) ) { $update_url = $default_url; } return $update_url; } /** * Gets the default URL to learn more about updating the site to use HTTPS. * * Do not use this function to retrieve this URL. Instead, use {@see wp_get_update_https_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 5.7.0 * @access private * * @return string Default URL to learn more about updating to HTTPS. */ function wp_get_default_update_https_url() { /* translators: Documentation explaining HTTPS and why it should be used. */ return __( 'https://developer.wordpress.org/advanced-administration/security/https/' ); } /** * Gets the URL for directly updating the site to use HTTPS. * * A URL will only be returned if the `WP_DIRECT_UPDATE_HTTPS_URL` environment variable is specified or * by using the {@see 'wp_direct_update_https_url'} filter. This allows hosts to send users directly to * the page where they can update their site to use HTTPS. * * @since 5.7.0 * * @return string URL for directly updating to HTTPS or empty string. */ function wp_get_direct_update_https_url() { $direct_update_url = ''; if ( false !== getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' ) ) { $direct_update_url = getenv( 'WP_DIRECT_UPDATE_HTTPS_URL' ); } /** * Filters the URL for directly updating the PHP version the site is running on from the host. * * @since 5.7.0 * * @param string $direct_update_url URL for directly updating PHP. */ $direct_update_url = apply_filters( 'wp_direct_update_https_url', $direct_update_url ); return $direct_update_url; } /** * Gets the size of a directory. * * A helper function that is used primarily to check whether * a blog has exceeded its allowed upload space. * * @since MU (3.0.0) * @since 5.2.0 $max_execution_time parameter added. * * @param string $directory Full path of a directory. * @param int $max_execution_time Maximum time to run before giving up. In seconds. * The timeout is global and is measured from the moment WordPress started to load. * @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout. */ function get_dirsize( $directory, $max_execution_time = null ) { /* * Exclude individual site directories from the total when checking the main site of a network, * as they are subdirectories and should not be counted. */ if ( is_multisite() && is_main_site() ) { $size = recurse_dirsize( $directory, $directory . '/sites', $max_execution_time ); } else { $size = recurse_dirsize( $directory, null, $max_execution_time ); } return $size; } /** * Gets the size of a directory recursively. * * Used by get_dirsize() to get a directory size when it contains other directories. * * @since MU (3.0.0) * @since 4.3.0 The `$exclude` parameter was added. * @since 5.2.0 The `$max_execution_time` parameter was added. * @since 5.6.0 The `$directory_cache` parameter was added. * * @param string $directory Full path of a directory. * @param string|string[] $exclude Optional. Full path of a subdirectory to exclude from the total, * or array of paths. Expected without trailing slash(es). * Default null. * @param int $max_execution_time Optional. Maximum time to run before giving up. In seconds. * The timeout is global and is measured from the moment * WordPress started to load. Defaults to the value of * `max_execution_time` PHP setting. * @param array $directory_cache Optional. Array of cached directory paths. * Defaults to the value of `dirsize_cache` transient. * @return int|false|null Size in bytes if a valid directory. False if not. Null if timeout. */ function recurse_dirsize( $directory, $exclude = null, $max_execution_time = null, &$directory_cache = null ) { $directory = untrailingslashit( $directory ); $save_cache = false; if ( ! isset( $directory_cache ) ) { $directory_cache = get_transient( 'dirsize_cache' ); $save_cache = true; } if ( isset( $directory_cache[ $directory ] ) && is_int( $directory_cache[ $directory ] ) ) { return $directory_cache[ $directory ]; } if ( ! file_exists( $directory ) || ! is_dir( $directory ) || ! is_readable( $directory ) ) { return false; } if ( ( is_string( $exclude ) && $directory === $exclude ) || ( is_array( $exclude ) && in_array( $directory, $exclude, true ) ) ) { return false; } if ( null === $max_execution_time ) { // Keep the previous behavior but attempt to prevent fatal errors from timeout if possible. if ( function_exists( 'ini_get' ) ) { $max_execution_time = ini_get( 'max_execution_time' ); } else { // Disable... $max_execution_time = 0; } // Leave 1 second "buffer" for other operations if $max_execution_time has reasonable value. if ( $max_execution_time > 10 ) { $max_execution_time -= 1; } } /** * Filters the amount of storage space used by one directory and all its children, in megabytes. * * Return the actual used space to short-circuit the recursive PHP file size calculation * and use something else, like a CDN API or native operating system tools for better performance. * * @since 5.6.0 * * @param int|false $space_used The amount of used space, in bytes. Default false. * @param string $directory Full path of a directory. * @param string|string[]|null $exclude Full path of a subdirectory to exclude from the total, * or array of paths. * @param int $max_execution_time Maximum time to run before giving up. In seconds. * @param array $directory_cache Array of cached directory paths. */ $size = apply_filters( 'pre_recurse_dirsize', false, $directory, $exclude, $max_execution_time, $directory_cache ); if ( false === $size ) { $size = 0; $handle = opendir( $directory ); if ( $handle ) { while ( ( $file = readdir( $handle ) ) !== false ) { $path = $directory . '/' . $file; if ( '.' !== $file && '..' !== $file ) { if ( is_file( $path ) ) { $size += filesize( $path ); } elseif ( is_dir( $path ) ) { $handlesize = recurse_dirsize( $path, $exclude, $max_execution_time, $directory_cache ); if ( $handlesize > 0 ) { $size += $handlesize; } } if ( $max_execution_time > 0 && ( microtime( true ) - WP_START_TIMESTAMP ) > $max_execution_time ) { // Time exceeded. Give up instead of risking a fatal timeout. $size = null; break; } } } closedir( $handle ); } } if ( ! is_array( $directory_cache ) ) { $directory_cache = array(); } $directory_cache[ $directory ] = $size; // Only write the transient on the top level call and not on recursive calls. if ( $save_cache ) { $expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS; set_transient( 'dirsize_cache', $directory_cache, $expiration ); } return $size; } /** * Cleans directory size cache used by recurse_dirsize(). * * Removes the current directory and all parent directories from the `dirsize_cache` transient. * * @since 5.6.0 * @since 5.9.0 Added input validation with a notice for invalid input. * * @param string $path Full path of a directory or file. */ function clean_dirsize_cache( $path ) { if ( ! is_string( $path ) || empty( $path ) ) { wp_trigger_error( '', sprintf( /* translators: 1: Function name, 2: A variable type, like "boolean" or "integer". */ __( '%1$s only accepts a non-empty path string, received %2$s.' ), 'clean_dirsize_cache()
',
'' . gettype( $path ) . '
'
)
);
return;
}
$directory_cache = get_transient( 'dirsize_cache' );
if ( empty( $directory_cache ) ) {
return;
}
$expiration = ( wp_using_ext_object_cache() ) ? 0 : 10 * YEAR_IN_SECONDS;
if (
! str_contains( $path, '/' ) &&
! str_contains( $path, '\\' )
) {
unset( $directory_cache[ $path ] );
set_transient( 'dirsize_cache', $directory_cache, $expiration );
return;
}
$last_path = null;
$path = untrailingslashit( $path );
unset( $directory_cache[ $path ] );
while (
$last_path !== $path &&
DIRECTORY_SEPARATOR !== $path &&
'.' !== $path &&
'..' !== $path
) {
$last_path = $path;
$path = dirname( $path );
unset( $directory_cache[ $path ] );
}
set_transient( 'dirsize_cache', $directory_cache, $expiration );
}
/**
* Returns the current WordPress version.
*
* Returns an unmodified value of `$wp_version`. Some plugins modify the global
* in an attempt to improve security through obscurity. This practice can cause
* errors in WordPress, so the ability to get an unmodified version is needed.
*
* @since 6.7.0
*
* @return string The current WordPress version.
*/
function wp_get_wp_version() {
static $wp_version;
if ( ! isset( $wp_version ) ) {
require ABSPATH . WPINC . '/version.php';
}
return $wp_version;
}
/**
* Checks compatibility with the current WordPress version.
*
* @since 5.2.0
*
* @global string $_wp_tests_wp_version The WordPress version string. Used only in Core tests.
*
* @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 ) {
if (
defined( 'WP_RUN_CORE_TESTS' )
&& WP_RUN_CORE_TESTS
&& isset( $GLOBALS['_wp_tests_wp_version'] )
) {
$wp_version = $GLOBALS['_wp_tests_wp_version'];
} else {
$wp_version = wp_get_wp_version();
}
// Strip off any -alpha, -RC, -beta, -src suffixes.
list( $version ) = explode( '-', $wp_version );
if ( is_string( $required ) ) {
$trimmed = trim( $required );
if ( substr_count( $trimmed, '.' ) > 1 && str_ends_with( $trimmed, '.0' ) ) {
$required = substr( $trimmed, 0, -2 );
}
}
return empty( $required ) || version_compare( $version, $required, '>=' );
}
/**
* 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( PHP_VERSION, $required, '>=' );
}
/**
* Checks if two numbers are nearly the same.
*
* This is similar to using `round()` but the precision is more fine-grained.
*
* @since 5.3.0
*
* @param int|float $expected The expected value.
* @param int|float $actual The actual number.
* @param int|float $precision Optional. The allowed variation. Default 1.
* @return bool Whether the numbers match within the specified precision.
*/
function wp_fuzzy_number_match( $expected, $actual, $precision = 1 ) {
return abs( (float) $expected - (float) $actual ) <= $precision;
}
/**
* Creates and returns the markup for an admin notice.
*
* @since 6.4.0
*
* @param string $message The message.
* @param array $args {
* Optional. An array of arguments for the admin notice. Default empty array.
*
* @type string $type Optional. The type of admin notice.
* For example, 'error', 'success', 'warning', 'info'.
* Default empty string.
* @type bool $dismissible Optional. Whether the admin notice is dismissible. Default false.
* @type string $id Optional. The value of the admin notice's ID attribute. Default empty string.
* @type string[] $additional_classes Optional. A string array of class names. Default empty array.
* @type string[] $attributes Optional. Additional attributes for the notice div. Default empty array.
* @type bool $paragraph_wrap Optional. Whether to wrap the message in paragraph tags. Default true.
* }
* @return string The markup for an admin notice.
*/
function wp_get_admin_notice( $message, $args = array() ) {
$defaults = array(
'type' => '',
'dismissible' => false,
'id' => '',
'additional_classes' => array(),
'attributes' => array(),
'paragraph_wrap' => true,
);
$args = wp_parse_args( $args, $defaults );
/**
* Filters the arguments for an admin notice.
*
* @since 6.4.0
*
* @param array $args The arguments for the admin notice.
* @param string $message The message for the admin notice.
*/
$args = apply_filters( 'wp_admin_notice_args', $args, $message );
$id = '';
$classes = 'notice';
$attributes = '';
if ( is_string( $args['id'] ) ) {
$trimmed_id = trim( $args['id'] );
if ( '' !== $trimmed_id ) {
$id = 'id="' . $trimmed_id . '" ';
}
}
if ( is_string( $args['type'] ) ) {
$type = trim( $args['type'] );
if ( str_contains( $type, ' ' ) ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: The "type" key. */
__( 'The %s key must be a string without spaces.' ),
'type
'
),
'6.4.0'
);
}
if ( '' !== $type ) {
$classes .= ' notice-' . $type;
}
}
if ( true === $args['dismissible'] ) {
$classes .= ' is-dismissible';
}
if ( is_array( $args['additional_classes'] ) && ! empty( $args['additional_classes'] ) ) {
$classes .= ' ' . implode( ' ', $args['additional_classes'] );
}
if ( is_array( $args['attributes'] ) && ! empty( $args['attributes'] ) ) {
$attributes = '';
foreach ( $args['attributes'] as $attr => $val ) {
if ( is_bool( $val ) ) {
$attributes .= $val ? ' ' . $attr : '';
} elseif ( is_int( $attr ) ) {
$attributes .= ' ' . esc_attr( trim( $val ) );
} elseif ( $val ) {
$attributes .= ' ' . $attr . '="' . esc_attr( trim( $val ) ) . '"';
}
}
}
if ( false !== $args['paragraph_wrap'] ) {
$message = "$message
"; } $markup = sprintf( '