In this article, you will learn how to get the last error occur with the JSON item. The PHP JSON_LAST_ERROR() method returns the last error happened with the JSON expression.
What is the syntax of the JSON_LAST_ERROR() function in php?
json_last_error()examples of the JSON_LAST_ERROR() function
Example 1. In this example, we return the last error occurred.
<?php
// An invalid json string
$string = "{'Peter':35,'Ben':37,'Joe':43}";
echo "Decoding: " . $string;
json_decode($string);
echo "<br>Error: ";
switch (json_last_error()) {
case JSON_ERROR_NONE:
echo "No errors";
break;
case JSON_ERROR_DEPTH:
echo "Maximum stack depth exceeded";
break;
case JSON_ERROR_STATE_MISMATCH:
echo "Invalid or malformed JSON";
break;
case JSON_ERROR_CTRL_CHAR:
echo "Control character error";
break;
case JSON_ERROR_SYNTAX:
echo "Syntax error";
break;
case JSON_ERROR_UTF8:
echo "Malformed UTF-8 characters";
break;
default:
echo "Unknown error";
break;
}
?>
