- Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.22, 8.3.0 - 8.3.10
- not valid JSON
<?php
function isJson($string) {
$decoded = json_decode($string);
if ( !is_object($decoded) && !is_array($decoded) ) {
return false;
}
return (json_last_error() == JSON_ERROR_NONE);
}
if ( isJson(123) ) {
echo "valid JSON";
} else {
echo "not valid JSON";
}