CODEWITHSUNDEEP
phppluginstypo3
Bjørson Bjørson
Bjørson Bjørson

Reputation: 1623

How to call TYPO3 plugin when normal page renders

Well, I am developing a plugin a and I need to display some stuff from my plugin when TYPO3 page load. Is there some function how to hook action, like in WordPress when page loads than plugin will execute some controller method? Then this controller will produce some output a HTML, which I would like to dispaly in frontend page. Specially I would like display custom script in the head. So the script should be like this <head>...<script>my content</script>...</head>

Upvotes: 0

Views: 650

Answers (3)

Bernd Wilke πφ
Bernd Wilke πφ

Reputation: 10800

In TYPO3 there is something named plugins, but you should differ to the meaning in other context.

First TYPO3 is a CMS in which content is structured in a hierarchical tree of pages. These pages are the basis for navigation. and each page contains individual contentelmenents (CE).

As Susi already said: add ons to TYPO3 are in general 'extensions' that could extend(!) the functionality of TYPO3 in different ways. One way is the definition of (TYPO3-)Plugins. These are special ContentElements that enable the showing of special information.
While normal CEs have all the information what to show in the record (e.g. Text & Image), plugins can be more flexible.

Typical examples are: show a list of records OR one record in detail.
These Plugins can be controlled with typoscript or the plugin-CE could have additional fields to hold information on what to display.

For detailed information on how a plugin is defined consult the links given by Susi.

And be aware: for security reasons, it is not possible to just execute a plain PHP file to echo any output. You need to register your plugin using the API, build your output as a string, and return the generated HTML as string to the calling function. For beginners, the ExtensionBuilder will help you to generate a well-formed extension that uses the API to register and output your data.

Upvotes: 2

Bj&#248;rson Bj&#248;rson
Bj&#248;rson Bj&#248;rson

Reputation: 1623

OK guys, thanks for your answers, but it was not very concrete. I found this solution, is not the best one, but it works! If anybody has better please share.

At first, you have to make a file for the class which will be called from the hook at location /your-plugin-name/Classes/class.tx_contenthook.php. Filename have to have this pattern class.tx_yourname.php Inside we will have a code with one method which will be called by the hook.

class tx_contenthook {

    function displayContent(&$params, &$that){

       //content of page from param
       $content = $params['pObj']->content;

       //your content
       $inject = '4747474747';

        // inject content on 
       $content = str_replace('</body>', $inject. '</body>', $content);

       // save
       $params['pObj']->content = $content;
       }
}

And next, we have to call it on the hook. So Let's go to /your-plugin-name/ext_localconf.php and add there these two lines, which makes a magic and handles also caching.

// hook is called after caching
$TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-output'][] = 'EXT:' . $_EXTKEY . '/Classes/class.tx_contenthook.php:&tx_contenthook->displayContent';


// hook is called before caching
$TYPO3_CONF_VARS['SC_OPTIONS']['tslib/class.tslib_fe.php']['contentPostProc-all'][] = 'EXT:'. $_EXTKEY .'/Classes/class.tx_contenthook.php:&tx_contenthook->displayContent';

I hope this will help those who struggling with typo3.

Upvotes: -2

Susi
Susi

Reputation: 718

Ok, what you probably want to do is to develop a so-called TYPO3 extension - that's what plugins/add-ons are called in TYPO3 (which is the term you will likely find google results for).

To get started fast you can try the TYPO3 extension builder (https://docs.typo3.org/typo3cms/extensions/extension_builder/) - which can generate a skeleton extension for you.

For more information you can also have a look at https://docs.typo3.org/typo3cms/CoreApiReference/latest/ExtensionArchitecture/Index.html which explains the concepts in far more detail.

Additional information is available in https://docs.typo3.org/typo3cms/ExtbaseFluidBook/Index.html

Upvotes: 3

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