Using WordPress ‘get_file_data()’ PHP function
Learn how to retrieve metadata from files using the get_file_data() function in WordPress, including an example on how to use it to read the plugin version
Plugin
Using WordPress ‘get_plugin_page_hookname()’ PHP function
Gets the hook name for the administrative page of a plugin.
Using WordPress ‘kses_init_filters()’ PHP function
Learn how to use the WordPress 'kses_init_filters' function to enable or disable KSES input form content filters in your themes or plugins
Using WordPress ‘is_textdomain_loaded()’ PHP function
Determines whether there are translations for the text domain.