The RegexIterator class
PHP Manual

RegexIterator::setFlags

(PHP 5 >= 5.2.0)

RegexIterator::setFlagsSets the special flags.

설명

void RegexIterator::setFlags ( int $flags )

Sets the special flags.

인수

flags

The special flags. It takes a bitmask of class constants.

The available flags are listed below. The actual meanings of these flags are described in the predefined constants.

RegexIterator special flags
value constant
1 RegexIterator::USE_KEY

반환값

값을 반환하지 않습니다.

예제

Example #1 RegexIterator::setFlags() example

Creates a new RegexIterator that filters all entries with where the array key starts with 'test'.

<?php
$test 
= array ('str1' => 'test 1''teststr2' => 'another test''str3' => 'test 123');

$arrayIterator = new ArrayIterator($test);
$regexIterator = new RegexIterator($arrayIterator'/^test/');
$regexIterator->setFlags(RegexIterator::USE_KEY);

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

위 예제의 출력 예시:

teststr2 => another test

참고


The RegexIterator class
PHP Manual