PHP 8.4.0 RC4 available for testing

RegexIterator::setMode

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

RegexIterator::setModeSets the operation mode

Опис

public RegexIterator::setMode(int $mode): void

Sets the operation mode.

Параметри

mode

The operation mode.

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

RegexIterator modes
value constant
0 RegexIterator::MATCH
1 RegexIterator::GET_MATCH
2 RegexIterator::ALL_MATCHES
3 RegexIterator::SPLIT
4 RegexIterator::REPLACE

Значення, що повертаються

Не повертає значень.

Приклади

Приклад #1 RegexIterator::setMode() example

<?php
$test
= array ('str1' => 'test 1', 'test str2' => 'another test', 'str3' => 'test 123');

$arrayIterator = new ArrayIterator($test);
// Filter everything that starts with 'test ' followed by one or more numbers.
$regexIterator = new RegexIterator($arrayIterator, '/^test (\d+)/');
// Operation mode: Replace actual value with the matches
$regexIterator->setMode(RegexIterator::GET_MATCH);

foreach (
$regexIterator as $key => $value) {
// print out the matched number(s)
echo $key . ' => ' . $value[1] . PHP_EOL;
}
?>

Поданий вище приклад виведе щось схоже на:

str1 => 1
str3 => 123

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