RegexIterator::setFlags
(PHP 5 >= 5.2.0)
RegexIterator::setFlags — Sets the flags.
Description
public void RegexIterator::setFlags
( int $flags
)
Sets the flags.
Parameters
- flags
-
The flags to set, a bitmask of class constants.
The available flags are listed below. The actual meanings of these flags are described in the predefined constants.
RegexIterator flags value constant 1 RegexIterator::USE_KEY
Return Values
No value is returned.
Examples
Example #1 RegexIterator::setFlags() example
Creates a new RegexIterator that filters all entries whose key starts with 'test'.
<?php
$test = array ('str1' => 'test 1', 'teststr2' => 'another test', 'str3' => 'test 123');
$arrayIterator = new ArrayIterator($test);
$regexIterator = new RegexIterator($arrayIterator, '/^test/');
$regexIterator->setFlags(RegexIterator::USE_KEY);
foreach ($regexIterator as $key => $value) {
echo $key . ' => ' . $value . "\n";
}
?>
The above example will output:
teststr2 => another test