Example
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;
}
Definition and Usage
The json_last_error() function returns the last error occurred.
Syntax
text
json_last_error()
Parameter Values
NONE.
Technical Details
| Return Value: | Returns an integer, and the value can be one of the following constants: JSON_ERROR_NONE (no error has occurred) JSON_ERROR_DEPTH (maximum stack depth has been exceeded) JSON_ERROR_STATE_MISMATCH (Invalid/Malformed JSON) JSON_ERROR_CTRL_CHAR (Control character error) JSON_ERROR_SYNTAX (Syntax error) JSON_ERROR_UTF8 (Malformed UTF-8 characters. PHP 5.3) JSON_ERROR_RECURSION (Invalid recursive reference values. PHP 5.5) JSON_ERROR_INF_OR_NAN (Invalid nan or inf values. PHP 5.5) JSON_ERROR_UNSUPPORTED_TYPE (Invalid type. PHP 5.5) JSON_ERROR_INVALID_PROPERTY_NAME (Invalid property name. PHP 7.0) JSON_ERROR_UTF16 (Malformed UTF-16 characters. PHP 7.0) |
|---|---|
| PHP Version: | 5.3+ |