Php/docs/regexiterator.setmode
RegexIterator::setMode
(PHP 5 >= 5.2.0, PHP 7)
RegexIterator::setMode — Sets the operation mode
Description
public RegexIterator::setMode
( int $mode
) : void
Sets the operation mode.
Parameters
modeThe operation mode.
The available modes are listed below. The actual meanings of these modes are described in the predefined constants.
RegexIterator modes value constant 0 RegexIterator::MATCH 1 RegexIterator::GET_MATCH 2 RegexIterator::ALL_MATCHES 3 RegexIterator::SPLIT 4 RegexIterator::REPLACE
Return Values
No value is returned.
Examples
Example #1 RegexIterator::setMode() example
<?php$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
