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<?php
/*
Adapted from Purge Transients by Seebz
https://github.com/Seebz/Snippets/tree/master/Wordpress/plugins/purge-transients
*/
if ( !function_exists( 'bp_purge_transients' ) ) {
function bp_purge_transients( $older_than = '1 day' )
{
global $wpdb;
$older_than_time = strtotime( '-' . $older_than );
if ( $older_than_time > time() || $older_than_time < 1 ) {
return false;
}
$sql =
$sql = $wpdb->prepare( "
SELECT REPLACE(option_name, '_site_transient_timeout_brute_', '') AS transient_name
FROM {$wpdb->options}
WHERE option_name LIKE '\_site\_transient\_timeout\_brute\__%%'
AND option_value < %s
", $older_than_time );
$transients = $wpdb->get_col( $sql );
$options_names = array();
foreach ( $transients as $transient ) {
$options_names[ ] = '_site_transient_brute_' . $transient;
$options_names[ ] = '_site_transient_timeout_brute_' . $transient;
}
if ( $options_names ) {
$option_names_string = implode( ', ', array_fill( 0, count( $options_names ), '%s') );
$delete_sql = "DELETE FROM {$wpdb->options} WHERE option_name IN ($option_names_string)";
$delete_sql = call_user_func_array( array($wpdb, 'prepare'), array_merge( array( $delete_sql ), $options_names ) );
$result = $wpdb->query( $delete_sql );
if ( !$result ) {
return false;
}
}
return $transients;
}
}
function bp_purge_transients_activation()
{
if ( !wp_next_scheduled( 'bp_purge_transients_cron' ) ) {
wp_schedule_event( time(), 'daily', 'bp_purge_transients_cron' );
}
}
// register_activation_hook(__FILE__, 'bp_purge_transients_activation');
add_action( 'admin_init', 'bp_purge_transients_activation' );
function do_bp_purge_transients_cron()
{
$o = bp_purge_transients();
}
add_action( 'bp_purge_transients_cron', 'do_bp_purge_transients_cron' );
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