array - option => value results. true means autoloading changed; false means the option was not found, already had the requested value, or the request failed.
Usage
wp_set_option_autoload_values( $options );
$options(array) (required)
Associative option => value array. Use true to enable autoloading and false to disable it. Option names must not be SQL-escaped.
The 'yes' and 'no' string values are deprecated. The alloptions and notoptions options are protected; trying to change them stops execution through wp_die().
function wp_set_option_autoload_values( array $options ) {
global $wpdb;
if ( ! $options ) {
return array();
}
$grouped_options = array(
'on' => array(),
'off' => array(),
);
$results = array();
foreach ( $options as $option => $autoload ) {
wp_protect_special_option( $option ); // Ensure only valid options can be passed.
/*
* Sanitize autoload value and categorize accordingly.
* The values 'yes', 'no', 'on', and 'off' are supported for backward compatibility.
*/
if ( 'off' === $autoload || 'no' === $autoload || false === $autoload ) {
$grouped_options['off'][] = $option;
} else {
$grouped_options['on'][] = $option;
}
$results[ $option ] = false; // Initialize result value.
}
$where = array();
$where_args = array();
foreach ( $grouped_options as $autoload => $options ) {
if ( ! $options ) {
continue;
}
$placeholders = implode( ',', array_fill( 0, count( $options ), '%s' ) );
$where[] = "autoload != '%s' AND option_name IN ($placeholders)";
$where_args[] = $autoload;
foreach ( $options as $option ) {
$where_args[] = $option;
}
}
$where = 'WHERE ' . implode( ' OR ', $where );
/*
* Determine the relevant options that do not already use the given autoload value.
* If no options are returned, no need to update.
*/
// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
$options_to_update = $wpdb->get_col( $wpdb->prepare( "SELECT option_name FROM $wpdb->options $where", $where_args ) );
if ( ! $options_to_update ) {
return $results;
}
// Run UPDATE queries as needed (maximum 2) to update the relevant options' autoload values to 'yes' or 'no'.
foreach ( $grouped_options as $autoload => $options ) {
if ( ! $options ) {
continue;
}
$options = array_intersect( $options, $options_to_update );
$grouped_options[ $autoload ] = $options;
if ( ! $grouped_options[ $autoload ] ) {
continue;
}
// Run query to update autoload value for all the options where it is needed.
$success = $wpdb->query(
$wpdb->prepare(
"UPDATE $wpdb->options SET autoload = %s WHERE option_name IN (" . implode( ',', array_fill( 0, count( $grouped_options[ $autoload ] ), '%s' ) ) . ')',
array_merge(
array( $autoload ),
$grouped_options[ $autoload ]
)
)
);
if ( ! $success ) {
// Set option list to an empty array to indicate no options were updated.
$grouped_options[ $autoload ] = array();
continue;
}
// Assume that on success all options were updated, which should be the case given only new values are sent.
foreach ( $grouped_options[ $autoload ] as $option ) {
$results[ $option ] = true;
}
}
/*
* If any options were changed to 'on', delete their individual caches, and delete 'alloptions' cache so that it
* is refreshed as needed.
* If no options were changed to 'on' but any options were changed to 'no', delete them from the 'alloptions'
* cache. This is not necessary when options were changed to 'on', since in that situation the entire cache is
* deleted anyway.
*/
if ( $grouped_options['on'] ) {
wp_cache_delete_multiple( $grouped_options['on'], 'options' );
wp_cache_delete( 'alloptions', 'options' );
} elseif ( $grouped_options['off'] ) {
$alloptions = wp_load_alloptions( true );
foreach ( $grouped_options['off'] as $option ) {
if ( isset( $alloptions[ $option ] ) ) {
unset( $alloptions[ $option ] );
}
}
wp_cache_set( 'alloptions', $alloptions, 'options' );
}
return $results;
}