PHP - Manual: RegexIterator

2024-05-04

RegexIterator::accept »

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The RegexIterator class

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

简介

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

类摘要

class RegexIterator extends FilterIterator {

/* 常量 */

const int MATCH = 0;

const int GET_MATCH = 1;

const int ALL_MATCHES = 2;

const int SPLIT = 3;

const int REPLACE = 4;

const int USE_KEY = 1;

/* 属性 */

public ?string $replacement = null;

/* 方法 */

public __construct(
    Iterator $iterator,
    string $pattern,
    int $mode = RegexIterator::MATCH,
    int $flags = 0,
    int $pregFlags = 0
)

public accept(): bool

public getFlags(): int

public getMode(): int

public getPregFlags(): int

public getRegex(): string

public setFlags(int $flags): void

public setMode(int $mode): void

public setPregFlags(int $pregFlags): void

/* 继承的方法 */

public FilterIterator::accept(): bool

public FilterIterator::current(): mixed

public FilterIterator::getInnerIterator(): Iterator

public FilterIterator::key(): mixed

public FilterIterator::next(): void

public FilterIterator::rewind(): void

public FilterIterator::valid(): bool

public IteratorIterator::current(): mixed

public IteratorIterator::getInnerIterator(): ?Iterator

public IteratorIterator::key(): mixed

public IteratorIterator::next(): void

public IteratorIterator::rewind(): void

public IteratorIterator::valid(): bool

}

预定义常量

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.

属性

replacement

RegexIterator::accept — Get accept status
RegexIterator::__construct — Create a new RegexIterator
RegexIterator::getFlags — Get flags
RegexIterator::getMode — Returns operation mode
RegexIterator::getPregFlags — Returns the regular expression flags
RegexIterator::getRegex — Returns current regular expression
RegexIterator::setFlags — Sets the flags
RegexIterator::setMode — Sets the operation mode
RegexIterator::setPregFlags — Sets the regular expression flags

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User Contributed Notes 1 note

down

jinmoku at hotmail dot com ¶

11 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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官方地址：https://www.php.net/manual/en/class.regexiterator.php

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PHP官方手册 - 互联网笔记

The RegexIterator class

简介

类摘要

预定义常量

RegexIterator operation modes

RegexIterator Flags

属性

目录

User Contributed Notes 1 note