Php/docs/regexiterator.getpregflags

来自菜鸟教程
跳转至:导航、​搜索

RegexIterator::getPregFlags

(PHP 5 >= 5.2.0, PHP 7)

RegexIterator::getPregFlagsReturns 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

参见