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@ 2014-06-02T06:42:00Z

<?php
function isJson($string) 
{
 json_decode($string);
 return (json_last_error() == JSON_ERROR_NONE);
}
$str1 = '{
"firstName": "Bidhan"
"lastName": "Chatterjee",
"age": 40,
"email":"bidhan@example.com"
}'; 
$x=isJson($str1);
echo $x;
?>

Output
Performance
VLD
References
Branches

json_decode: documentation ( source)
json_last_error: documentation ( source)

preferences:dark modelive preview

51.22 ms | 402 KiB | 5 Q