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phpversion

(PHP 3, PHP 4, PHP 5)

phpversion -- Gets the current PHP version

Description

string phpversion ( [string extension] )

Returns a string containing the version of the currently running PHP parser. If the optional extension parameter is specified, phpversion() returns the version of that extension, or FALSE if there is no version information associated or the extension isn't enabled.

Note: This information is also available in the predefined constant PHP_VERSION.

Example 1. phpversion() example

<?php
// prints e.g. 'Current PHP version: 4.1.1'
echo 'Current PHP version: ' . phpversion();

// prints e.g. '2.0' or nothing if the extension isn't enabled
echo phpversion('tidy');
?>

See also version_compare(), phpinfo(), phpcredits(), php_logo_guid(), and zend_version().

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Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/. Please see full copyright text at http://www.php.net/manual/en/copyright.php Original version of the above documentation is available at http://www.php.net/manual/en/



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