<?php function isJson($string, bool $assoc = false) { var_dump(json_decode($string)); if(is_string($string)) { json_decode($string); return (json_last_error() == JSON_ERROR_NONE); // return json_decode($str) != null; } return false; } $a=['arraiii'=>['dentro'=>234]]; $b=json_encode($a); $c='{hg}'; var_dump(isJson($a));
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