diff --git a/reference/info/functions/dl.xml b/reference/info/functions/dl.xml index 052fbbf529..d9047611ba 100644 --- a/reference/info/functions/dl.xml +++ b/reference/info/functions/dl.xml @@ -1,5 +1,5 @@ - + @@ -9,13 +9,90 @@ Description - intdl + booldl stringlibrary - Loads the PHP extension defined in - library. See also the Extension Loading Directives + Loads the PHP extension given by the parameter + library. The library + parameter is only the filename of the extension to + load which also depends on your platform. For example, the sockets extension (if compiled as a shared + module, not the default!) would be called sockets.so + on unix platforms whereas it is called php_sockets.dll + on the windows platform. + + + &return.success; If the functionality of loading modules is not available + (see Note) or has been disabled (either by turning it off + enable_dl or by enabling safe_mode + in PHP.INI) an E_ERROR is emitted + and execution is stopped. If dl fails because the + specified library couldn't be loaded, in addition to &false; an + E_WARNING message is emitted. + + + The directory where the extension is loaded from depends on your + platform, too: + + + Windows - If not explicitly set in the PHP.INI, + the extension is loaded from c:\php4\extensions\ by + default. + + + Unix - If not explicitly set in the PHP.INI, the + default extension directory depends on + + + + whether PHP has been built with --enable-debug or + not + + + + + whether PHP has been built with (experimental) ZTS (Zend Thread Safety) + support or not + + + + + the current internal ZEND_MODULE_API_NO (Zend + internal module API number, which is basically the date on which a + major module API change happened, e.g. 20010901) + + + + Taking into account the above, the directory then defaults to + <php-install-directory>/lib/php/extension/<debug-or-not>-<zts-or-not>-ZEND_MODULE_API_NO, + e.g. + /usr/local/php/lib/php/extensions/debug-non-zts-20010901 + or /usr/local/php/lib/php/extensions/no-debug-zts-20010901. + + + + dl is not supported in + multithreaded Web servers. Use the extensions + statement in your PHP.INI when operating under such + an environment. However, the CGI and + CLI build are not + affected ! + + + + + dl is case sensitive on unix platforms. + + + + Use extension_loaded to test whether a given + extension is already available or not. + + + See also + Extension Loading Directives + and extension_loaded. diff --git a/reference/info/functions/extension-loaded.xml b/reference/info/functions/extension-loaded.xml index e98337b1ce..b0c6ddb7f3 100644 --- a/reference/info/functions/extension-loaded.xml +++ b/reference/info/functions/extension-loaded.xml @@ -1,5 +1,5 @@ - + @@ -12,18 +12,49 @@ boolextension_loaded stringname - - Returns &true; if the extension identified by - name is loaded. You can see the names of - various extensions by using phpinfo. - + + Returns &true; if the extension identified by name + is loaded, &false; otherwise. + + + You can see the names of various extensions by using + phpinfo or if you're usnig the + CGI or CLI version of + PHP you can use the -m switch to + list all available extensions: + +$ php -m +Running PHP 4.3.0-dev +Zend Engine v1.2.1, Copyright (c) 1998-2002 Zend Technologies + +[PHP Modules] +xml +tokenizer +standard +sockets +session +posix +pcre +overload +mysql +mbstring +ctype + +[Zend Modules] + + + + + + extension_loaded uses the internal extension name + to test whether a certain extension is available or not. Most internal + extension names are written in lower case but there may be extension + available which also use uppercase letters. Be warned that this + function compares case sensitive ! + + See also phpinfo. - - - This function was added in 3.0.10. - -