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    The RegexIterator class

    (PHP 5 >= 5.2.0)

    Вступ

    This iterator can be used to filter another iterator based on a regular expression.

    Короткий Огляд Класа

    RegexIterator extends FilterIterator {
    /* Константи */
    const integer MATCH = 0 ;
    const integer GET_MATCH = 1 ;
    const integer ALL_MATCHES = 2 ;
    const integer SPLIT = 3 ;
    const integer REPLACE = 4 ;
    const integer USE_KEY = 1 ;
    /* Методи */
    public __construct ( Iterator $iterator , string $regex [, int $mode = self::MATCH [, int $flags = 0 [, int $preg_flags = 0 ]]] )
    public bool accept ( void )
    public int getFlags ( void )
    public int getMode ( void )
    public int getPregFlags ( void )
    public string getRegex ( void )
    public void setFlags ( int $flags )
    public void setMode ( int $mode )
    public void setPregFlags ( int $preg_flags )
    /* Успадковані методи */
    public abstract bool FilterIterator::accept ( void )
    public FilterIterator::__construct ( Iterator $iterator )
    public mixed FilterIterator::current ( void )
    public Iterator FilterIterator::getInnerIterator ( void )
    public mixed FilterIterator::key ( void )
    public void FilterIterator::next ( void )
    public void FilterIterator::rewind ( void )
    public bool FilterIterator::valid ( void )
    }

    Предвизначені Константи

    RegexIterator operation modes

    RegexIterator::ALL_MATCHES

    Return all matches for the current entry (see preg_match_all()).

    RegexIterator::GET_MATCH

    Return the first match for the current entry (see preg_match()).

    RegexIterator::MATCH

    Only execute match (filter) for the current entry (see preg_match()).

    RegexIterator::REPLACE

    Replace the current entry (see preg_replace(); Not fully implemented yet)

    RegexIterator::SPLIT

    Returns the split values for the current entry (see preg_split()).

    RegexIterator Flags

    RegexIterator::USE_KEY

    Special flag: Match the entry key instead of the entry value.

    Зміст

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    User Contributed Notes 1 note

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    jinmoku at hotmail dot com
    13 years ago
    An exemple :

    <?php
    $a     = new ArrayIterator(array('test1', 'test2', 'test3'));
    $i = new RegexIterator($a, '/^(test)(\d+)/', RegexIterator::REPLACE);
    $i->replacement = '$2:$1';
          
    print_r(iterator_to_array($i));
    /*
    Array
    (
        [0] => 1:test
        [1] => 2:test
        [2] => 3:test
    )
    */
    ?>
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