Parse the plugin contents to retrieve plugin's metadata

wp-get-plugin-data.php

<?php
/**
 * Parse the plugin contents to retrieve plugin's metadata
 * Works only in wp-admin
 * Reference: https://codex.wordpress.org/Function_Reference/get_plugin_data
 */
get_plugin_data( $plugin_file, $markup = true, $translate = true );

/*
Return value:
 $default_headers = array(
   'Name'        => 'Plugin Name',
   'PluginURI'   => 'Plugin URI',
   'Version'     => 'Version',
   'Description' => 'Description',
   'Author'      => 'Author',
   'AuthorURI'   => 'Author URI',
   'TextDomain'  => 'Text Domain',
   'DomainPath'  => 'Domain Path',
   'Network'     => 'Network',
   // Site Wide Only is deprecated in favor of Network.
   '_sitewide'   => 'Site Wide Only',
 );