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RegexIterator::setMode

(PHP 5 >= 5.2.0, PHP 7)

RegexIterator::setMode — Sets the operation mode.

Description

代码语言:javascript
复制
public void RegexIterator::setMode ( int $mode )

Sets the operation mode.

Parameters

mode

The operation mode.

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

value

constant

0

RegexIterator::MATCH

1

RegexIterator::GET_MATCH

2

RegexIterator::ALL_MATCHES

3

RegexIterator::SPLIT

4

RegexIterator::REPLACE

Return Values

No value is returned.

Examples

Example #1 RegexIterator::setMode() example

代码语言:javascript
复制
<?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;
}
?>

The above example will output something similar to:

代码语言:javascript
复制
str1 => 1
str3 => 123

See Also

  • RegexIterator::getMode() - Returns operation mode.

← RegexIterator::setFlags

RegexIterator::setPregFlags →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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