Store copies of your important files online for free.            HOME

Returns the error code of the last PCRE regex execution
PCRE Functions
PHP Manual

preg_last_error

(PHP 5 >= 5.2.0)

preg_last_errorReturns the error code of the last PCRE regex execution

Description

int preg_last_error ( void )

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) {
    print 
'Backtrack limit was exhausted!';
}

?>

The above example will output:

Backtrack limit was exhausted!

Return Values

Returns one of the following constants (explained on their own page):


PCRE Functions
PHP Manual