RegexIterator::setFlags

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

RegexIterator::setFlagsSets the flags

Beschreibung

public RegexIterator::setFlags(int $flags): void

Sets the flags.

Parameter-Liste

flags

The flags to set, a bitmask of class constants.

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

RegexIterator flags
value constant
1 RegexIterator::USE_KEY

Rückgabewerte

Es wird kein Wert zurückgegeben.

Beispiele

Beispiel #1 RegexIterator::setFlags() example

Creates a new RegexIterator that filters all entries whose 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";
}
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

teststr2 => another test

Siehe auch

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