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(PHP 5 >= 5.2.0)
preg_last_error — Returns the error code of the last PCRE regex execution
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!
Returns one of the following constants (explained on their own page):
preg_grep
