RegexIterator
PHP Manual

RegexIterator::getPregFlags

(PHP 5 >= 5.2.0, PHP 7)

RegexIterator::getPregFlagsReturns the regular expression flags.

说明

public int RegexIterator::getPregFlags ( void )

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


RegexIterator
PHP Manual