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  • RegexIterator::getPregFlags()

    (PHP 5 >= 5.2.0, PHP 7)

    Returns the regular expression flags

    说明

    publicRegexIterator::getPregFlags(void): 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

    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::setPregFlags() Sets the regular expression flags