- var_dump: documentation ( source)
- json_last_error_msg: documentation ( source)
- json_last_error: documentation ( source)
- stream_context_create: documentation ( source)
- json_encode: documentation ( source)
<?php
$val = stream_context_create();
var_dump(json_encode($val));
var_dump(json_last_error());
var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : NULL);