- json_last_error_msg: documentation ( source)
- json_decode: documentation ( source)
- json_last_error: documentation ( source)
<?php
$checkme = '';
json_decode($checkme);
if (json_last_error() === JSON_ERROR_NONE){
echo "No error.";
}else{
echo "error detected of : " . json_last_error() . " " . json_last_error_msg();
}