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RegexIterator::setFlags

Contents

(PHP 5 >= 5.2.0, PHP 7)

RegexIterator::setFlags — Sets the flags

Description

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

Sets the flags.

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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

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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

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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