RegexIterator::getFlags

(PHP 5 >= 5.2.0, PHP 7)

RegexIterator::getFlagsGet flags

说明

public RegexIterator::getFlags ( ) : int

Returns the flags, see RegexIterator::setFlags() for a list of available flags.

返回值

Returns the set flags.

范例

Example #1 RegexIterator::getFlags() example

<?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);

if (
$regexIterator->getFlags() & RegexIterator::USE_KEY) {
    echo 
'Filtering based on the array keys.';
} else {
    echo 
'Filtering based on the array values.';
}
?>

以上例程会输出:

Filtering based on the array keys.

参见