PHP Unconference Europe 2015

RegexIterator::setFlags

(PHP 5 >= 5.2.0)

RegexIterator::setFlagsSets the flags.

Description

public void RegexIterator::setFlags ( int $flags )

Sets the flags.

Parameters

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

Return Values

No value is returned.

Examples

Example #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";
}
?>

The above example will output:

teststr2 => another test

See Also

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