RegexIterator::setMode()
(PHP 5 >= 5.2.0, PHP 7)
Sets the operation mode
说明
public RegexIterator::setMode(int $mode): void
Sets the operation mode.
参数
- $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
返回值
没有返回值。
范例
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; } ?>
以上例程的输出类似于:
str1 => 1 str3 => 123
参见
- RegexIterator::getMode() Returns operation mode