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wp-content/plugins/powerkit/modules/headers-footers/public/class-powerkit-headers-footers-public.php

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+<?php
+/**
+ * The public-facing functionality of the module.
+ *
+ * @link       https://codesupply.co
+ * @since      1.0.0
+ *
+ * @package    Powerkit
+ * @subpackage Modules/public
+ */
+
+/**
+ * The public-facing functionality of the module.
+ */
+class Powerkit_Headers_Footers_Public extends Powerkit_Module_Public {
+
+	/**
+	 * Initialize
+	 */
+	public function initialize() {
+		add_action( 'wp_head', array( $this, 'header' ) );
+		add_action( 'wp_footer', array( $this, 'footer' ) );
+	}
+
+	/**
+	 * Outputs script / CSS to the frontend header.
+	 */
+	public function header() {
+		$this->output( 'powerkit_insert_header_code' );
+	}
+
+	/**
+	 * Outputs script / CSS to the frontend footer.
+	 */
+	public function footer() {
+		$this->output( 'powerkit_insert_footer_code' );
+	}
+
+	/**
+	 * Outputs the given setting, if conditions are met.
+	 *
+	 * @param string $setting Setting Name.
+	 */
+	public function output( $setting ) {
+		// Ignore admin, feed, robots or trackbacks.
+		if ( is_admin() || is_feed() || is_robots() || is_trackback() ) {
+			return;
+		}
+
+		// Get code.
+		$code = get_option( $setting );
+
+		// Output.
+		echo (string) $code; // XSS.
+	}
+}