(PHP 5 >= 5.2.0, PHP 7)
Sets the flags.
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.
value | constant |
---|---|
1 | RegexIterator::USE_KEY |
Returns:
No value is returned.
Examples:
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
See also:
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