unserialize() Error Report

unserialize() parses a string into a PHP data structure: array, int, object, etc. When the parser encounters an error, it emits a specific message, and returns null. This error used to be a notice and it now a warning.

PHP code

<?php

unserialize("an invalid string");

?>

Before

PHP Notice:  unserialize(): Error at offset 0 of 17 bytes

Notice: unserialize(): Error at offset 0 of 17 bytes

After

PHP Warning:  unserialize(): Error at offset 0 of 17 bytes

Warning: unserialize(): Error at offset 0 of 17 bytes

PHP version change

This behavior changed in 8.3

Error Messages

• Error at offset 0 of 17 bytes