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phpversion

(PHP 4, PHP 5)

phpversion — Gets the current PHP version

Descrierea

string phpversion ([ string $extension ] )

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

Parametri

extension

An optional extension name.

Valorile întroarse

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.

Exemple

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');
?>

Note

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