Руководство по PHP
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# Phar::offsetExists

(no version information, might be only in CVS)

Phar::offsetExists -- determines whether a file exists in the phar

## Описание

bool Phar::offsetExists ( string offset )

This is an implementation of the ArrayAccess interface allowing direct manipulation of the contents of a Phar archive using array access brackets.

offsetExists() is called whenever isset() is called.

## Список параметров

`offset`

  The filename (relative path) to look for in a Phar.

## Возвращаемые значения

Returns `TRUE` if the file exists within the phar, or `FALSE` if not.

## Примеры

Пример 1. A Phar::offsetExists() example

`<?php $p = new Phar('my.phar'); $p['firstfile.txt'] = 'first file'; $p['secondfile.txt'] = 'second file'; // the next set of lines call offsetExists() indirectly var_dump(isset($p['firstfile.txt'])); var_dump(isset($p['nothere.txt'])); ?>`

Результат выполнения данного примера:

    bool(true)
    bool(false)

## Смотрите также

Phar::offsetGet()
Phar::offsetSet()
Phar::offsetUnset()

Пред. | Начало | След.
Phar::mapPhar | Уровень выше | Phar::offsetGet