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phpversion

phpversion

(PHP 3, PHP 4, PHP 5)

phpversion -- Gets the current PHP version

Opis

string phpversion ( [string extension] )

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

Parametry

extension

An optional extension name.

Zwracane wartości

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.

Przykłady

Przykład 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');
?>

Notatki

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