(PHP 4, PHP 5, PHP 7)
Find out whether an extension is loaded
bool extension_loaded ( string $name )
Finds out whether the extension is loaded.
Parameters:
name
The extension name. This parameter is case-insensitive.
You can see the names of various extensions by using phpinfo() or if you're using the CGI or CLI version of PHP you can use the -m switch to list all available extensions:
$ php -m [PHP Modules] xml tokenizer standard sockets session posix pcre overload mysql mbstring ctype [Zend Modules]
Returns:
Returns TRUE if the extension identified by name is loaded, FALSE otherwise.
Examples:
extension_loaded() example
1 2 3 4 5 6 7 | <?phpif (!extension_loaded('gd')) { if (!dl('gd.so')) { exit; }}?> |
See also:
dl() -
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