(PHP 5 >= 5.5.0, PHP 7, PHP 8)
json_last_error_msg — Returns the error string of the last json_validate(), json_encode() or json_decode() call
Returns the error string of the last json_validate() , json_encode() or json_decode()
call, which did not specify JSON_THROW_ON_ERROR .
This function has no parameters.
Returns the error message on success, or "No error" if no
error has occurred.
Here's an updated version of the function:
<?php
if (!function_exists('json_last_error_msg')) {
function json_last_error_msg() {
static $ERRORS = array(
JSON_ERROR_NONE => 'No error',
JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
JSON_ERROR_STATE_MISMATCH => 'State mismatch (invalid or malformed JSON)',
JSON_ERROR_CTRL_CHAR => 'Control character error, possibly incorrectly encoded',
JSON_ERROR_SYNTAX => 'Syntax error',
JSON_ERROR_UTF8 => 'Malformed UTF-8 characters, possibly incorrectly encoded'
);
$error = json_last_error();
return isset($ERRORS[$error]) ? $ERRORS[$error] : 'Unknown error';
}
}
?>