When you install a plugin there are a few things that you need to do:
/plugins/
folder with an FTP client.Note: Plugins are no longer enabled by default. A newly installed plugin needs to be 'Activated' under the Plugins Tab.
Some plugins require you to insert a bit of their code into your theme to make it fully operable. However, if the plugin is not activated, it will “break” the Theme and it may report errors or fail to load. It is therefore imperative to prevent the plugin from being detected in case it is turned off.
To detect if a plugin is installed, you can use a simple function_exists()
check. The if (function_exists())
checks for the plugin, and if it exists, it will use it. If it returns FALSE
or “not found”, it will ignore the plugin tag and continue loading the page.
<?php if (function_exists('FUNCTION NAME')) { FUNCTION_NAME(); } ?>
For example, the plugin Pages excerpts use a function called page_excerpt()
to print out its contents.
<?php if (function_exists('page_excerpt')) { echo page_excerpt('index'); } ?>
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