phpversion

(PHP 3, PHP 4, PHP 5)

phpversion -- Gets the current PHP version

Beskrivelse

string phpversion ( [string extension] )

Returns a string containing the version of the currently running PHP parser or extension.

Parameterliste

extension

An optional extension name.

Returneringsværdier

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.

Eksempler

Eksempel 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');
?>

Notes

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

Se også

version_compare()
phpinfo()
phpcredits()
php_logo_guid()
zend_version()