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  » imagecolorallocate()
  » htmlentities()
  » fopen()
  » preg_match()
  » header()
  » getimagesize()
  » htmlspecialchars()
  » ob_start()
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  » strstr()
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  » preg_match_all()
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  » array2vars()
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  » preg_split()
  » ereg()
  » urlencode()
  » ereg_replace()
  » readgzfile()

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(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.

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');
?>

Related Function(s)

version_compare()

phpinfo()

phpcredits()

php_logo_guid()

zend_version()