PHP Unconference Europe 2015

RegexIterator::setMode

(PHP 5 >= 5.2.0)

RegexIterator::setModeSets the operation mode.

Description

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.

RegexIterator modes
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

<?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:

str1 => 1
str3 => 123

See Also

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