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Phar::offsetExists

(PHP >= 5.3.0, PECL phar >= 1.0.0)

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

Description

代码语言:javascript
复制
public 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.

Parameters

offset

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

Return Values

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

Examples

Example #1 A Phar::offsetExists() example

代码语言:javascript
复制
<?php
$p?=?new?Phar(dirname(__FILE__)?.?'/my.phar',?0,?'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']));
?>

The above example will output:

代码语言:javascript
复制
bool(true)
bool(false)

See Also

  • Phar::offsetGet() - Gets a PharFileInfo object for a specific file
  • Phar::offsetSet() - set the contents of an internal file to those of an external file
  • Phar::offsetUnset() - remove a file from a phar

← Phar::mungServer

Phar::offsetGet →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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