PHP - Manual: Phar::buildFromIterator

2024-12-21

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Phar::buildFromIterator

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 2.0.0)

Phar::buildFromIterator — Construct a phar archive from an iterator

说明

public Phar::buildFromIterator(Traversable $iterator, ?string $baseDirectory = null): array

注意:
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.

Populate a phar archive from an iterator. Two styles of iterators are supported, iterators that map the filename within the phar to the name of a file on disk, and iterators like DirectoryIterator that return SplFileInfo objects. For iterators that return SplFileInfo objects, the second parameter is required.

参数

iterator: Any iterator that either associatively maps phar file to location or returns SplFileInfo objects
baseDirectory: For iterators that return SplFileInfo objects, the portion of each file's full path to remove when adding to the phar archive

返回值

Phar::buildFromIterator() returns an associative array mapping internal path of file to the full path of the file on the filesystem.

错误／异常

This method returns UnexpectedValueException when the iterator returns incorrect values, such as an integer key instead of a string, a BadMethodCallException when an SplFileInfo-based iterator is passed without a baseDirectory parameter, or a PharException if there were errors saving the phar archive.

更新日志

版本	说明
8.1.0	Phar::buildFromIterator() no longer returns `false`.
8.0.0	`baseDirectory` is now nullable.

范例

示例 #1 A Phar::buildFromIterator() with SplFileInfo

For most phar archives, the archive will reflect an actual directory layout, and the second style is the most useful. For instance, to create a phar archive containing the files in this sample directory layout:

/path/to/project/
                 config/
                        dist.xml
                        debug.xml
                 lib/
                     file1.php
                     file2.php
                 src/
                     processthing.php
                 www/
                     index.php
                 cli/
                     index.php

This code could be used to add these files to the "project.phar" phar archive:


<?php
// create with alias "project.phar"
$phar = new Phar('project.phar', 0, 'project.phar');
$phar->buildFromIterator(
    new RecursiveIteratorIterator(
     new RecursiveDirectoryIterator('/path/to/project')),
    '/path/to/project');
$phar->setStub($phar->createDefaultStub('cli/index.php', 'www/index.php'));
?>

The file project.phar can then be used immediately. Phar::buildFromIterator() does not set values such as compression, metadata, and this can be done after creating the phar archive.

As an interesting note, Phar::buildFromIterator() can also be used to copy the contents of an existing phar archive, as the Phar object descends from DirectoryIterator:


<?php
// create with alias "project.phar"
$phar = new Phar('project.phar', 0, 'project.phar');
$phar->buildFromIterator(
    new RecursiveIteratorIterator(
     new Phar('/path/to/anotherphar.phar')),
    'phar:///path/to/anotherphar.phar/path/to/project');
$phar->setStub($phar->createDefaultStub('cli/index.php', 'www/index.php'));
?>

示例 #2 A Phar::buildFromIterator() with other iterators

The second form of the iterator can be used with any iterator that returns a key => value mapping, such as an ArrayIterator:


<?php
// create with alias "project.phar"
$phar = new Phar('project.phar', 0, 'project.phar');
$phar->buildFromIterator(
    new ArrayIterator(
     array(
        'internal/file.php' => dirname(__FILE__) . '/somefile.php',
        'another/file.jpg' => fopen('/path/to/bigfile.jpg', 'rb'),
     )));
$phar->setStub($phar->createDefaultStub('cli/index.php', 'www/index.php'));
?>

参见

Phar::buildFromDirectory() - Construct a phar archive from the files within a directory

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User Contributed Notes 2 notes

down

cweiske at php dot net ¶

7 years ago


You have to set a flag on the RecursiveDirectoryIterator because by default, the current (".") and parent directory ("..") are included in the listing. This leads to an error message similar to "returned a path ".." that is not in the base directory".

To fix this, use "SKIP_DOTS":

<?php
new RecursiveDirectoryIterator(
    $srcRoot, FilesystemIterator::SKIP_DOTS
);
?>

down

M8 ¶

5 years ago


Phars created from iterator (unlike from directory) does not have full-fledged directory structure. For example, functions like opendir() will fail, although fopen() does not.

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官方地址：https://www.php.net/manual/en/phar.buildfromiterator.php

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Phar::buildFromIterator

说明

参数

返回值

错误／异常

更新日志

范例

参见

User Contributed Notes 2 notes