Phar::offsetUnset()

(PHP 5 >= 5.3.0, PHP 7, PECL phar >= 1.0.0)

Remove a file from a phar

说明

此方法需要将php.ini中的phar.readonly设为0以适合Phar对象.否则,将抛出PharException.

This is an implementation of the ArrayAccess interface allowing direct manipulation of the contents of a Phar archive using array access brackets. offsetUnset is used for deleting an existing file, and is called by the unset() language construct.

参数

The filename(relative path)to modify in a Phar.

返回值

成功时返回TRUE，或者在失败时返回FALSE。

错误／异常

if phar.readonly is1,BadMethodCallException is thrown, as modifying a Phar is only allowed when phar.readonly is set to0. Throws PharException if there are any problems flushing changes made to the Phar archive to disk.

范例

A Phar::offsetUnset() example

参见

• Phar::offsetExists() Determines whether a file exists in the phar
• 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::unlinkArchive() Completely remove a phar archive from disk and from memory
• Phar::delete() 删除 phar 档案中的一个文件

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