diff --git a/src/class-mt-short-cart-widget.php b/src/class-mt-short-cart-widget.php
index b7d87234..587c7128 100644
--- a/src/class-mt-short-cart-widget.php
+++ b/src/class-mt-short-cart-widget.php
@@ -53,7 +53,7 @@ function widget( $args, $instance ) {
 
 		$the_title    = apply_filters( 'widget_title', $instance['title'] );
 		$widget_title = empty( $the_title ) ? '' : $the_title;
-		$widget_title = ( '' != $widget_title ) ? $before_title . $widget_title . $after_title : '';
+		$widget_title = ( '' !== $widget_title ) ? $before_title . $widget_title . $after_title : '';
 		$cart         = my_tickets_short_cart();
 		echo $before_widget;
 		echo $widget_title;
diff --git a/src/mt-ajax.php b/src/mt-ajax.php
index ea9ce2b2..1fc306d7 100644
--- a/src/mt-ajax.php
+++ b/src/mt-ajax.php
@@ -27,7 +27,7 @@ function mt_ajax_cart() {
 		echo 0;
 		die;
 	}
-	if ( 'mt_ajax_cart' == $_REQUEST['action'] ) {
+	if ( 'mt_ajax_cart' === $_REQUEST['action'] ) {
 		$post = $_REQUEST['data'];
 		$post = array(
 			$post['mt_event_id'] => array(
@@ -81,7 +81,7 @@ function mt_ajax_handler() {
 			)
 		);
 	}
-	if ( 'add_to_cart' == $_REQUEST['function'] ) {
+	if ( 'add_to_cart' === $_REQUEST['function'] ) {
 		$post = $_REQUEST['data'];
 		// reformat request data to multidimensional array.
 		$data   = explode( '&', $post );
@@ -131,7 +131,7 @@ function mt_ajax_handler() {
 		);
 		wp_send_json( $return );
 	}
-	if ( 'save_address' == $_REQUEST['function'] ) {
+	if ( 'save_address' === $_REQUEST['function'] ) {
 		$post         = $_REQUEST['data'];
 		$current_user = wp_get_current_user();
 		$saved        = update_user_meta( $current_user->ID, '_mt_shipping_address', $post );
diff --git a/src/mt-common.php b/src/mt-common.php
index f80d90df..051bdff9 100644
--- a/src/mt-common.php
+++ b/src/mt-common.php
@@ -39,8 +39,8 @@ function mt_check_license( $key = false, $product, $store ) {
 		$response = wp_remote_post(
 			$store,
 			array(
-				'timeout'   => 15,
-				'body'      => $api_params,
+				'timeout' => 15,
+				'body'    => $api_params,
 			)
 		);
 		// make sure the response came back okay.
diff --git a/src/mt-help.php b/src/mt-help.php
index 80522bf9..3016b3cd 100644
--- a/src/mt-help.php
+++ b/src/mt-help.php
@@ -224,12 +224,12 @@ function mt_get_support_form() {
 			die( 'Security check failed' );
 		}
 		$request      = ( ! empty( $_POST['support_request'] ) ) ? stripslashes( $_POST['support_request'] ) : false;
-		$has_read_faq = ( 'on' == $_POST['has_read_faq'] ) ? 'Read FAQ' : false;
+		$has_read_faq = ( 'on' === $_POST['has_read_faq'] ) ? 'Read FAQ' : false;
 		$subject      = 'My Tickets support request.';
 		$message      = $request . "\n\n" . $data;
 		// Get the site domain and get rid of www. from pluggable.php.
 		$sitename = strtolower( $_SERVER['SERVER_NAME'] );
-		if ( substr( $sitename, 0, 4 ) == 'www.' ) {
+		if ( substr( $sitename, 0, 4 ) === 'www.' ) {
 			$sitename = substr( $sitename, 4 );
 		}
 		$from_email = 'wordpress@' . $sitename;
diff --git a/src/mt-receipt.php b/src/mt-receipt.php
index bbe9bb16..6ae0a33b 100644
--- a/src/mt-receipt.php
+++ b/src/mt-receipt.php
@@ -15,7 +15,7 @@
  */
 function mt_receipt() {
 	$options = array_merge( mt_default_settings(), get_option( 'mt_settings' ) );
-	$id      = ( '' != $options['mt_receipt_page'] ) ? $options['mt_receipt_page'] : false;
+	$id      = ( '' !== $options['mt_receipt_page'] && is_numeric( $options['mt_receipt_page'] ) ) ? absint( $options['mt_receipt_page'] ) : false;
 	if ( $id && ( is_single( $id ) || is_page( $id ) ) ) {
 		if ( isset( $_GET['receipt_id'] ) ) {
 			$template = locate_template( 'receipt.php' );
diff --git a/src/templates/bulk-tickets.php b/src/templates/bulk-tickets.php
index 0cf8a952..f90ad679 100644
--- a/src/templates/bulk-tickets.php
+++ b/src/templates/bulk-tickets.php
@@ -30,7 +30,7 @@
 			<div class='panel ticket <?php mt_ticket_method( $ticket_id ); ?>'>
 				<div class='inside'>
 					<?php
-					if ( 'eticket' != mt_get_ticket_method( $ticket_id ) ) {
+					if ( 'eticket' !== mt_get_ticket_method( $ticket_id ) ) {
 						?>
 						<div class='post-thumbnail'>
 							<?php mt_logo( array(), get_the_ID() ); ?>
@@ -63,7 +63,7 @@ class='time'><?php mt_event_time( $ticket_id ); ?></span>
 							<?php mt_ticket_venue( $ticket_id ); ?>
 						</div>
 						<?php
-						if ( 'eticket' != mt_get_ticket_method( $ticket_id ) ) {
+						if ( 'eticket' !== mt_get_ticket_method( $ticket_id ) ) {
 							?>
 							<div class='ticket-qrcode'>
 								<img src="<?php mt_ticket_qrcode( $ticket_id ); ?>" alt="QR Code Verification Link"/>
@@ -74,7 +74,7 @@ class='time'><?php mt_event_time( $ticket_id ); ?></span>
 						<div class='post-content'>
 							<?php
 							$content = get_the_content();
-							if ( '' == trim( strip_tags( $content ) ) ) {
+							if ( '' === trim( strip_tags( $content ) ) ) {
 								$content = ( current_user_can( 'edit_pages' ) ) ? __( 'Add your custom text into the post content.', 'my-tickets' ) : '';
 							}
 							echo $content;
@@ -82,7 +82,7 @@ class='time'><?php mt_event_time( $ticket_id ); ?></span>
 							<?php edit_post_link(); ?>
 						</div>
 						<?php
-						if ( 'eticket' == mt_get_ticket_method( $ticket_id ) ) {
+						if ( 'eticket' === mt_get_ticket_method( $ticket_id ) ) {
 							?>
 							<div class='post-thumbnail'>
 								<?php
@@ -107,7 +107,7 @@ class='time'><?php mt_event_time( $ticket_id ); ?></span>
 			<?php
 		}
 
-		if ( 'printable' == mt_get_ticket_method( $ticket_id ) ) {
+		if ( 'printable' === mt_get_ticket_method( $ticket_id ) ) {
 			?>
 			<a href="javascript:window.print()" class="print">Print</a>
 			<?php
diff --git a/src/templates/receipt.php b/src/templates/receipt.php
index 6cc3b7e4..b9d20673 100644
--- a/src/templates/receipt.php
+++ b/src/templates/receipt.php
@@ -35,7 +35,7 @@
 			<div class='post-content'>
 				<?php
 				$content = get_the_content();
-				if ( trim( strip_tags( $content ) ) == '' ) {
+				if ( trim( strip_tags( $content ) ) === '' ) {
 					$content = ( current_user_can( 'edit_pages' ) ) ? wpautop( __( 'Add your business name and address to the post content.', 'my-tickets' ) ) : '';
 				}
 				echo wpautop( $content );
diff --git a/src/templates/tickets.php b/src/templates/tickets.php
index 86ba8e85..00e2fbfa 100644
--- a/src/templates/tickets.php
+++ b/src/templates/tickets.php
@@ -25,7 +25,7 @@
 		if ( have_posts() ) {
 			while ( have_posts() ) {
 				the_post();
-				if ( 'eticket' != mt_get_ticket_method() ) {
+				if ( 'eticket' !== mt_get_ticket_method() ) {
 					?>
 				<div class='post-thumbnail'>
 					<?php mt_logo( array(), get_the_ID() ); ?>
@@ -57,7 +57,7 @@
 						<?php mt_ticket_venue(); ?>
 					</div>
 					<?php
-					if ( mt_get_ticket_method() != 'eticket' ) {
+					if ( mt_get_ticket_method() !== 'eticket' ) {
 						?>
 						<div class='ticket-qrcode'>
 							<img src="<?php mt_ticket_qrcode(); ?>" alt="QR Code Verification Link"/>
@@ -68,7 +68,7 @@
 					<div class='post-content'>
 					<?php
 					$content = get_the_content();
-					if ( '' == trim( strip_tags( $content ) ) ) {
+					if ( '' === trim( strip_tags( $content ) ) ) {
 						$content = ( current_user_can( 'edit_pages' ) ) ? __( 'Add your custom text into the post content.', 'my-tickets' ) : '';
 					}
 					echo $content;
@@ -76,7 +76,7 @@
 					<?php edit_post_link(); ?>
 					</div>
 					<?php
-					if ( 'eticket' == mt_get_ticket_method() ) {
+					if ( 'eticket' === mt_get_ticket_method() ) {
 						?>
 						<div class='post-thumbnail'>
 							<?php
@@ -103,7 +103,7 @@
 	</div>
 </div>
 <?php
-if ( 'printable' == mt_get_ticket_method() ) {
+if ( 'printable' === mt_get_ticket_method() ) {
 	?>
 	<a href="javascript:window.print()" class="print">Print</a>
 	<?php