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PharData::buildFromIterator

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

PharData::buildFromIterator — Construct a tar or zip archive from an iterator

Description

PharData::buildFromIterator ( Iterator $iter [, string $base_directory ] ) : array

Populate a tar or zip archive from an iterator. Two styles of iterators are supported, iterators that map the filename within the tar/zip 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.

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Examples

Example #1 A PharData::buildFromIterator() with SplFileInfo

For most tar/zip archives, the archive will reflect an actual directory layout, and the second style is the most useful. For instance, to create a tar/zip 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.tar" tar archive:

<?php
$phar = new PharData('project.tar');
$phar->buildFromIterator(
    new RecursiveIteratorIterator(
     new RecursiveDirectoryIterator('/path/to/project')),
    '/path/to/project');
?>

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

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

<?php
$phar = new PharData('project.tar');
$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'));
?>

Example #2 A PharData::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
$phar = new PharData('project.tar');
$phar->buildFromIterator(
    new ArrayIterator(
     array(
        'internal/file.php' => dirname(__FILE__) . '/somefile.php',
        'another/file.jpg' => fopen('/path/to/bigfile.jpg', 'rb'),
     )));
?>

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Parameters

iter

Any iterator that either associatively maps tar/zip file to location or returns SplFileInfo objects

base_directory

For iterators that return SplFileInfo objects, the portion of each file's full path to remove when adding to the tar/zip archive

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Return Values

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

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Errors/Exceptions

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 base_directory parameter, or a PharException if there were errors saving the phar archive.

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.

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