Php/docs/regexiterator.getpregflags
RegexIterator::getPregFlags
(PHP 5 >= 5.2.0, PHP 7)
RegexIterator::getPregFlags — Returns the regular expression flags
说明
public RegexIterator::getPregFlags ( ) : int
Returns the regular expression flags, see RegexIterator::__construct() for the list of flags.
返回值
Returns a bitmask of the regular expression flags.
范例
Example #1 RegexIterator::getPregFlags() example
<?php$test = array ('str1' => 'test 1', 'teststr2' => 'another test', 'str3' => 'test 123');$arrayIterator = new ArrayIterator($test);$regexIterator = new RegexIterator($arrayIterator, '/\s/', RegexIterator::SPLIT);$regexIterator->setPregFlags(PREG_SPLIT_NO_EMPTY | PREG_SPLIT_OFFSET_CAPTURE);if ($regexIterator->getPregFlags() & PREG_SPLIT_NO_EMPTY) { echo 'Ignoring empty pieces';} else { echo 'Not ignoring empty pieces';}?>
以上例程会输出:
Ignoring empty pieces