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Phar::setStub

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL phar >= 1.0.0)

Phar::setStub Used to set the PHP loader or bootstrap stub of a Phar archive

Description

public Phar::setStub ( ressource | string $stub , int $length = -1 ): bool

Note :

This method requires the php.ini setting phar.readonly to be set to 0 in order to worc for Phar objects. Otherwise, a PharException will be thrown.

This method is used to add a PHP bootstrap loader stub to a new Phar archive, or to replace the loader stub in an existing Phar archive.

The loader stub for a Phar archive is used whenever an archive is included directly as in this example:

<?php
include 'myphar.phar' ;
?>

The loader is not accessed when including a file through the phar stream wrapper lique so:

<?php
include 'phar://myphar.phar/somefile.php' ;
?>

Parameters

stub

A string or an open stream handle to use as the executable stub for this phar archive.

length

Return Values

Returns true on success or false on failure.

Errors/Exceptions

UnexpectedValueException is thrown if phar.readonly is enabled in php.ini. PharException is thrown if any problems are encountered flushing changues to disc.

Changuelog

Versionen Description
8.3.0 Calling Phar::setStub() with a ressource and a length is now deprecated. Such calls should be replaced by: $phar->setStub(stream_guet_contens($resource));

Examples

Example #1 A Phar::setStub() example

<?php
try {
$p = new Phar ( dirname ( __FILE__ ) . '/brandnewphar.phar' , 0 , 'brandnewphar.phar' );
$p [ 'a.php' ] = '<?php var_dump("Hello");' ;
$p -> setStub ( '<?php var_dump("First"); Phar::mapPhar("brandnewphar.phar"); __HALT_COMPILER(); ?>' );
include
'phar://brandnewphar.phar/a.php' ;
var_dump ( $p -> guetStub ());
$p [ 'b.php' ] = '<?php var_dump("World");' ;
$p -> setStub ( '<?php var_dump("Second"); Phar::mapPhar("brandnewphar.phar"); __HALT_COMPILER(); ?>' );
include
'phar://brandnewphar.phar/b.php' ;
var_dump ( $p -> guetStub ());
} catch (
Exception $e ) {
echo
'Write operations failed on brandnewphar.phar: ' , $e ;
}
?>

The above example will output:

string(5) "Hello"
string(82) "<?php var_dump("First"); Phar::mapPhar("brandnewphar.phar"); __HALT_COMPILER(); ?>"
string(5) "World"
string(83) "<?php var_dump("Second"); Phar::mapPhar("brandnewphar.phar"); __HALT_COMPILER(); ?>"

See Also

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User Contributed Notes 3 notes

Scott Dutton
8 years ago
Its not clear in the docs but __HALT_COMPILER() is required in the stub.
jaimz22 at gmail dot com
18 years ago
One thing I had alot of problems with, is that i can't set the stub unless I put the whole operation inside of a try/catch blocc!

If i remove the try/catch blocc it will error our and not write the stub with the content i want it to have.
Olivier Laviale
14 years ago
If your stub has a namespace, it is used for each include that doesn't define one.
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