The RegexIterator class
PHP Manual

RegexIterator::__construct

(PHP 5 >= 5.2.0)

RegexIterator::__constructCreates a new RegexIterator.

설명

RegexIterator::__construct ( Iterator $iterator , string $regex [, int $mode [, int $flags [, int $preg_flags ]]] )

Creates a new regular expression iterator.

인수

iterator

The iterator to apply this regex filter to.

regex

The regular expression to match.

mode

Operation mode, see RegexIterator::setMode for a list of modes.

flags

Special flags, see RegexIterator::setFlags for a list of available flags.

preg_flags

The regular expression flags. These flags depend on the operation mode parameter:

RegexIterator preg_flags
operation mode available flags
RegexIterator::ALL_MATCHES See preg_match_all().
RegexIterator::GET_MATCH See preg_match().
RegexIterator::MATCH See preg_match().
RegexIterator::REPLACE none.
RegexIterator::SPLIT See preg_split().

예제

Example #1 RegexIterator::__construct() example

Creates a new RegexIterator that filters all strings that start with 'test'.

<?php
$arrayIterator 
= new ArrayIterator(array('test 1''another test''test 123'));
$regexIterator = new RegexIterator($arrayIterator'/^test/');

foreach (
$regexIterator as $value) {
    echo 
$value "\n";
}
?>

위 예제의 출력 예시:

test 1
test 123

참고


The RegexIterator class
PHP Manual