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wp-content/plugins/powerkit/modules/facebook/helpers/helper-powerkit-facebook.php

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+<?php
+/**
+ * Helpers Facebook
+ *
+ * @package    Powerkit
+ * @subpackage Modules/Helper
+ */
+
+/**
+ * Facebook load sdk.
+ */
+function powerkit_facebook_load_sdk() {
+	?>
+		<div id="fb-root"></div>
+		<script>( function( d, s, id ) {
+			var js, fjs = d.getElementsByTagName( s )[0];
+			if ( d.getElementById( id ) ) return;
+			js = d.createElement( s ); js.id = id;
+			js.src = "//connect.facebook.net/<?php echo esc_html( powerkit_get_locale() ); ?>/sdk.js#xfbml=1&version=v2.5&appId=<?php echo esc_html( powerkit_connect( 'facebook_app_id' ) ); ?>";
+			fjs.parentNode.insertBefore( js, fjs );
+		}( document, 'script', 'facebook-jssdk' ) );</script>
+	<?php
+}