PEAR_Info::packageInstalled
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PEAR_Info::packageInstalled
Synopsis
boolean PEAR_Info::packageInstalled ( string $name , string $version = null , string $channel = null , string $user_file = '' , string $system_file = '' )
Simple function to check if a package is installed under user or system PEAR installation. Minimal version and channel info are supported.
Parameter
- string $name
-
Package name
- string $version
-
(optional) The minimal version that should be installed
- string $channel
-
(optional) The package channel distribution
- string $user_file
-
(optional) file to read PEAR user-defined options from
- string $system_file
-
(optional) file to read PEAR system-wide defaults from
Since
since version 1.6.0 (2005-01-03)
Throws
throws no exceptions thrown
Note
This function should be called statically.
Example
<?php
require_once 'PEAR/Info.php';
$res = PEAR_Info::packageInstalled('Role_Web', '1.1.0', 'pearified');
if ($res) {
print "Package pearified/Role_Web 1.1.0 or greater is installed \n";
} else {
print "Package pearified/Role_Web is not yet installed \n";
}
$res = PEAR_Info::packageInstalled('PEAR_PackageFileManager');
if ($res) {
print "Package pear/PEAR_PackageFileManager is installed \n";
} else {
print "Package pear/PEAR_PackageFileManager is not yet installed \n";
}
?>
Вернуться к: Reference guide