preg_last_error

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

preg_last_error — Returns the error code of the last PCRE regex execution

Description

preg_last_error(): int

Returns the error code of the last PCRE regex execution.

Example #1 preg_last_error() example

<?php

preg_match('/(?:\D+|<\d+>)*[!?]/', 'foobar foobar foobar');

if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR) {
echo 'Backtrack limit was exhausted!';
}

?>

The above example will output:

Backtrack limit was exhausted!

Parameters

This function has no parameters.

See Also