aidan Sat Oct 2 23:49:17 2004 EDT
Modified files: /phpdoc/en/reference/misc/functions get-browser.xml Log: Reorganised information and rewrote the example http://cvs.php.net/diff.php/phpdoc/en/reference/misc/functions/get-browser.xml?r1=1.11&r2=1.12&ty=u Index: phpdoc/en/reference/misc/functions/get-browser.xml diff -u phpdoc/en/reference/misc/functions/get-browser.xml:1.11 phpdoc/en/reference/misc/functions/get-browser.xml:1.12 --- phpdoc/en/reference/misc/functions/get-browser.xml:1.11 Wed Aug 18 10:15:18 2004 +++ phpdoc/en/reference/misc/functions/get-browser.xml Sat Oct 2 23:49:16 2004 @@ -1,5 +1,5 @@ <?xml version="1.0" encoding="iso-8859-1"?> -<!-- $Revision: 1.11 $ --> +<!-- $Revision: 1.12 $ --> <!-- splitted from ./en/functions/misc.xml, last change in rev 1.2 --> <refentry id="function.get-browser"> <refnamediv> @@ -10,110 +10,110 @@ </refnamediv> <refsect1> <title>Description</title> - <methodsynopsis> - <type>object</type><methodname>get_browser</methodname> - <methodparam choice="opt"><type>string</type><parameter>user_agent</parameter></methodparam> - <methodparam choice="opt"><type>bool</type><parameter>return_array</parameter></methodparam> - </methodsynopsis> - <simpara> + <methodsynopsis> + <type>object</type><methodname>get_browser</methodname> + <methodparam choice="opt"><type>string</type><parameter>user_agent</parameter></methodparam> + <methodparam choice="opt"><type>bool</type><parameter>return_array</parameter></methodparam> + </methodsynopsis> + <para> <function>get_browser</function> attempts to determine the capabilities of the user's browser. This is done by looking up the browser's information in the <filename>browscap.ini</filename> - file. By default, the value of <varname>$_SERVER["HTTP_USER_AGENT"]</varname> is + file. + </para> + <para> + By default, the value of <varname>$_SERVER['HTTP_USER_AGENT']</varname> is used; however, you can alter this (i.e., look up another browser's - info) by passing the optional - <parameter>user_agent</parameter> parameter to - <function>get_browser</function>. - </simpara> + info) by passing the optional <parameter>user_agent</parameter> parameter to + <function>get_browser</function>. You can bypass <parameter>user_agent</parameter> + parameter with &null; value. + </para> <simpara> The information is returned in an <type>object</type>, which will contain various data elements representing, for instance, the browser's major and minor version numbers and ID string; &true;/&false; values for features such as frames, JavaScript, and cookies; and so forth. - As of PHP 4.3.2, if the optional parameter - <parameter>return_array</parameter> is &true;, this function will return - <type>array</type> instead of <type>object</type>. You can bypass - <parameter>user_agent</parameter> parameter with &null; value. </simpara> <simpara> - While <filename>browscap.ini</filename> contains information on - many browsers, it relies on user updates to keep the database - current. The format of the file is fairly self-explanatory. + As of PHP 4.3.2, if the optional parameter + <parameter>return_array</parameter> is &true;, this function will return an + <type>array</type> instead of an <type>object</type>. </simpara> <para> - The following example shows how one might list all available - information retrieved about the user's browser. <example> - <title><function>get_browser</function> example</title> + <title>Listing all information about the users browser</title> <programlisting role="php"> <![CDATA[ <?php -echo $_SERVER['HTTP_USER_AGENT'] . "<hr />\n"; - -$browser = get_browser(); - -foreach ($browser as $name => $value) { - echo "<b>$name</b> $value <br />\n"; -} +echo $_SERVER['HTTP_USER_AGENT'] . "\n\n"; +$browser = get_browser(null, true); +print_r($browser); ?> ]]> </programlisting> - <simpara> - The output of the above script would look something like this: - </simpara> - <screen role="html"> + &example.outputs.similar; + <screen> <![CDATA[ -Mozilla/4.5 [en] (X11; U; Linux 2.2.9 i586)<hr /> -<b>browser_name_pattern:</b> Mozilla/4\.5.*<br /> -<b>parent:</b> Netscape 4.0<br /> -<b>platform:</b> Linux<br /> -<b>majorver:</b> 4<br /> -<b>minorver:</b> 5<br /> -<b>browser:</b> Netscape<br /> -<b>version:</b> 4<br /> -<b>frames:</b> 1<br /> -<b>tables:</b> 1<br /> -<b>cookies:</b> 1<br /> -<b>backgroundsounds:</b> <br /> -<b>vbscript:</b> <br /> -<b>javascript:</b> 1<br /> -<b>javaapplets:</b> 1<br /> -<b>activexcontrols:</b> <br /> -<b>beta:</b> <br /> -<b>crawler:</b> <br /> -<b>authenticodeupdate:</b> <br /> -<b>msn:</b> <br /> +Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040803 Firefox/0.9.3 + +Array +( + [browser_name_regex] => ^mozilla/5\.0 (windows; .; windows nt 5\.1; .*rv:.*) gecko/.* firefox/0\.9.*$ + [browser_name_pattern] => Mozilla/5.0 (Windows; ?; Windows NT 5.1; *rv:*) Gecko/* Firefox/0.9* + [parent] => Firefox 0.9 + [platform] => WinXP + [browser] => Firefox + [version] => 0.9 + [majorver] => 0 + [minorver] => 9 + [css] => 2 + [frames] => 1 + [iframes] => 1 + [tables] => 1 + [cookies] => 1 + [backgroundsounds] => + [vbscript] => + [javascript] => 1 + [javaapplets] => 1 + [activexcontrols] => + [cdf] => + [aol] => + [beta] => 1 + [win16] => + [crawler] => + [stripper] => + [wap] => + [netclr] => +) ]]> </screen> </example> </para> - <simpara> - In order for this to work, your <link - linkend="ini.browscap">browscap</link> configuration setting in - &php.ini; must point to the correct location of the - <filename>browscap.ini</filename> file on your system. - <filename>browscap.ini</filename> is not bundled with PHP but you - may find an up-to-date <ulink url="&url.browscap.download;"> - browscap.ini file here</ulink>. By default, the - <link linkend="ini.browscap">browscap</link> directive is commented out. - </simpara> - <simpara> + <para> The <literal>cookies</literal> value simply means that the browser itself is capable of accepting cookies and does not mean the user has - enabled the browser to accept cookies or not. The only way to test if + enabled the browser to accept cookies or not. The only way to test if cookies are accepted is to set one with <function>setcookie</function>, reload, and check for the value. - </simpara> + </para> <note> - <simpara> - On versions older than PHP 4.0.6, you will have to pass the - user agent in via the optional <parameter>user_agent</parameter> - parameter if the PHP directive <link linkend="ini.register-globals"> - register_globals</link> is <literal>off</literal>. In this case, - you will pass in <varname>$HTTP_SERVER_VARS['HTTP_USER_AGENT']</varname>. - </simpara> + <para> + In order for this to work, your <link linkend="ini.browscap">browscap</link> + configuration setting in &php.ini; must point to the correct location of the + <filename>browscap.ini</filename> file on your system. + </para> + <para> + <filename>browscap.ini</filename> is not bundled with PHP, but you + may find an <ulink url="&url.browscap.download;">up-to-date php_browscap.ini</ulink> + file here. + </para> + <para> + While <filename>browscap.ini</filename> contains information on + many browsers, it relies on user updates to keep the database + current. The format of the file is fairly self-explanatory. + </para> </note> </refsect1> </refentry>