- var_dump: documentation ( source)
- json_decode: documentation ( source)
- json_last_error: documentation ( source)
- json_encode: documentation ( source)
<?php
function isJson($string) {
json_decode($string);
return (json_last_error() == JSON_ERROR_NONE);
}
$a=['arraiii'=>['dentro'=>234]];
$b=json_encode($a);
var_dump(isJson($b));