wp-cloudflare.php

<?php
/*
     Plugin Name: WP Cloudflare
     Plugin URI: http://nabtron.com/cloudflare-rocketscript
     Donate link: payment@nabtron.com
     Description: enables you to enable or disable rocketscript on selected javascript files
     Author: nabtron
     Author URI: http://nabtron.com/
     Version: 0.1.4
     Min WP Version: 4.4
     Max WP Version: 5.8.1
     */
// prevent direct access
defined('ABSPATH') or die('Plugin file cannot be accessed directly.');

if (!class_exists('nabcfrs_main')) {
	class nabcfrs_main
	{
		// PHP 5 Constructor
		function __construct()
		{
			add_action('admin_menu', 'nabcfrs_menu');
			add_filter('script_loader_tag', 'nabcfrs_truefalse', 10, 2);
		}
	}

	function nabcfrs_settings()
	{
		// Update routines
		if (!empty($_POST['action_nabcfrs']) && 'insert' == $_POST['action_nabcfrs']) {
			update_option("nabcfrs_true", $_POST['nabcfrs_true']);
			update_option("nabcfrs_false", $_POST['nabcfrs_false']);
		}
?>
		<!-- Start Options Admin area -->
		<div class="wrap">
			<h2>WP Cloudflare - Cloudflare Rocketscript Options</h2>
			<div style="margin-top:20px;">
				<form method="post" action="<?php echo $_SERVER["REQUEST_URI"]; ?>&amp;updated=true">
					<div style="">
						<table class="form-table">
							<tr>
								<th scope="row"><strong>Turn rocketscript on for:</strong></th>
								<td><input name="nabcfrs_true" size="40" value="<?= get_option("nabcfrs_true"); ?>" type="text" />
									<br />Comma seperated JS filenames. Make sure rocketscript is set to manual at cloudflare.com</td>
							</tr>
							<tr>
								<th scope="row"><strong>Turn rocketscript off for:</strong></th>
								<td><input name="nabcfrs_false" size="40" value="<?= get_option("nabcfrs_false"); ?>" type="text" />
									<br />Comma seperated JS filenames. Make sure rocketscript is set to automatic at cloudflare.com</td>
							</tr>
						</table>
						<br>
						<p class="nabcfrs_submit">
							<input name="action_nabcfrs" size="10" value="insert" type="hidden" />
							<input name="nabcfrs_submit" type="submit" class="button-primary" id="nabcfrs_submit" value="Save changes">
						</p>
				</form>
				<br /><br />
				<hr />
				<center>
					<h4>Developed by <a href="http://nabtron.com/" target="_blank">Nabtron</a>.</h4>
				</center>
			</div>
		</div>

<?php
	} // End function nabcfrs_settings()

	// Admin menu Option
	function nabcfrs_menu()
	{
		add_options_page('Cloudflare Rocketscript', 'Cloudflare Rocketscript', 'manage_options', __FILE__, 'nabcfrs_settings');
	}

	function nabcfrs_getoption($content)
	{
		//		if(!is_admin()) { 
		$nabcfrs_true  = get_option('nabcfrs_true');
		$nabcfrs_false  = get_option('nabcfrs_false');
		//		}
	}

	function nabcfrs_truefalse($tag)
	{
		global $wpdb;
		// get list of files for both true and false
		//array map helps us trim them so that there isn't the error of skipping
		//array filter removed the empty ones
		$nabcfrs_true  = array_filter(array_map('trim', explode(',', get_option('nabcfrs_true'))));
		$nabcfrs_false  = array_filter(array_map('trim', explode(',', get_option('nabcfrs_false'))));

		foreach ($nabcfrs_true as $true_script) {
			if (true == strpos($tag, $true_script))
				return str_replace(' src', ' data-cfasync="true" src', $tag);
		}

		foreach ($nabcfrs_false as $false_script) {
			if (true == strpos($tag, $false_script))
				return str_replace(' src', ' data-cfasync="false" src', $tag);
		}
		return $tag;
	}
}

//instantiate the class
if (class_exists('nabcfrs_main')) {
	$nabwrap_main = new nabcfrs_main();
}