run phpcs on sample-code-snippets/ too

phpcs.xml

@@ -7,11 +7,14 @@
   <file>includes/</file>
   <file>integrations/</file>
   <file>config/</file>
+  <file>sample-code-snippets/</file>
   <exclude-pattern>*\.(html|css|js|md|json|xml|sh)</exclude-pattern>
   <rule ref="Generic.Arrays.DisallowLongArraySyntax.Found"/>
   <rule ref="PSR12">
     <exclude name="PSR1.Methods.CamelCapsMethodName" />
     <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace" />
     <exclude name="Squiz.Classes.ValidClassName.NotCamelCaps" />
+    <exclude name="Generic.Files.LineLength.TooLong" />
+    <exclude name="PSR1.Files.SideEffects.FoundWithSymbols" />
   </rule>
 </ruleset>

sample-code-snippets/add-ons/download-monitor/redirect-to-detailed-form-if-new-subscriber.php

@@ -1,30 +1,30 @@
 <?php
 
 /**
-* The snippet below hooks into the form with ID 500 
+* The snippet below hooks into the form with ID 500
 *
 * - If a subscriber was updated; it redirects straight to the download monitor download
 * - If a subscriber was newly added; it redirects to another page where you can show another more detailed form. Make sure to set the "redirect on success" setting of the detailed form to your download.
 */
-add_action( 'mc4wp_form_updated_subscriber', function( $form ) {
-   if( $form->ID != 500 ) {
-      return;
-   }
 
-   dlm_mailchimp_set_cookie( $form->data['EMAIL'] );
+add_action('mc4wp_form_updated_subscriber', function ($form) {
+    if ($form->ID != 500) {
+        return;
+    }
+
+    dlm_mailchimp_set_cookie($form->data['EMAIL']);
 
    // form was used to update a subscriber; redirect to download
-   wp_redirect( 'http://my-site.com/download-url' );
-   exit;
+    wp_redirect('http://my-site.com/download-url');
+    exit;
 });
 
-add_action( 'mc4wp_form_subscribed', function( $form ) {
-    if( $form->ID != 500 ) {
-      return;
-   }
+add_action('mc4wp_form_subscribed', function ($form) {
+    if ($form->ID != 500) {
+        return;
+    }
 
    // form was used to add a new subscriber; redirect to detailed form
-   wp_redirect( 'http://my-site.com/page-with-detailed-form' );
-   exit;
+    wp_redirect('http://my-site.com/page-with-detailed-form');
+    exit;
 });
-

sample-code-snippets/add-ons/top-bar/add-consent-checkbox.php

@@ -1,5 +1,5 @@
-<?php 
+<?php
 
-add_action( 'mctb_before_submit_button', function() {
-	echo '<input name="AGREE_TO_TERMS" type="checkbox" value="1" required=""> I have read and agree to the terms &amp; conditions';
+add_action('mctb_before_submit_button', function () {
+    echo '<input name="AGREE_TO_TERMS" type="checkbox" value="1" required=""> I have read and agree to the terms &amp; conditions';
 });

sample-code-snippets/add-ons/top-bar/add-name-field.php

@@ -3,8 +3,9 @@
 /**
  * Echo a NAME field just before the submit button.
  */
-add_action( 'mctb_before_submit_button', function() {
-	echo '<input type="text" name="NAME" placeholder="Your name" />';
+
+add_action('mctb_before_submit_button', function () {
+    echo '<input type="text" name="NAME" placeholder="Your name" />';
 });
 
 
@@ -13,7 +14,7 @@
  *
  * @param array $vars
  */
-add_filter( 'mctb_data', function( $vars ) {
-	$vars['NAME'] = ( isset( $_POST['NAME'] ) ) ? sanitize_text_field( $_POST['NAME'] ) : '';
-	return $vars;
+add_filter('mctb_data', function ($vars) {
+    $vars['NAME'] = ( isset($_POST['NAME']) ) ? sanitize_text_field($_POST['NAME']) : '';
+    return $vars;
 });

sample-code-snippets/add-ons/top-bar/add-subscriber-tag.php

@@ -3,8 +3,8 @@
 /**
  * Echo a susbcriber tag
  */
- 
- add_filter( 'mctb_subscriber_data', function( $subscriber ) {
+
+ add_filter('mctb_subscriber_data', function ($subscriber) {
     $subscriber->tags[] = 'My tag';
     return $subscriber;
-});
+ });

sample-code-snippets/add-ons/top-bar/add-to-interest-groups.php

@@ -1,14 +1,14 @@
 <?php
 
-add_filter( 'mctb_data', function($data) {
+add_filter('mctb_data', function ($data) {
 
-	// make sure we have an array to work with
-	if( ! isset( $data['INTERESTS'] ) ) {
-		$data['INTERESTS'] = array();
-	}
+    // make sure we have an array to work with
+    if (! isset($data['INTERESTS'])) {
+        $data['INTERESTS'] = [];
+    }
 
-	// replace "interest-id" with the actual ID of your interest.
-	$data['INTERESTS'][] = "interest-id";
+    // replace "interest-id" with the actual ID of your interest.
+    $data['INTERESTS'][] = "interest-id";
 
-	return $data;
+    return $data;
 });

sample-code-snippets/add-ons/top-bar/hide-for-post-in-specific-category.php

@@ -1,8 +1,8 @@
 <?php
 
-add_filter( 'mctb_show_bar', function() {
+add_filter('mctb_show_bar', function () {
     // don't show for posts with category "fruit"
-    if (is_single() && has_category(array('fruit'))) {
+    if (is_single() && has_category(['fruit'])) {
         return false;
     }
 });

sample-code-snippets/add-ons/top-bar/hide-top-bar-after-subscribing.php

@@ -3,14 +3,15 @@
 /**
 * Set cookie when Top Bar is used to subscribe
 */
-add_action( 'mctb_subscribed', function() {
-   $expires = time() + ( 60 * 60 * 24 * 30 ); // 30 days
-   setcookie( 'mctb_hide_bar', '1', $expires, '/' );
+
+add_action('mctb_subscribed', function () {
+    $expires = time() + ( 60 * 60 * 24 * 30 ); // 30 days
+    setcookie('mctb_hide_bar', '1', $expires, '/');
 });
 
 /**
 * Do not load Top Bar when cookie exists
 */
-add_filter( 'mctb_show_bar', function( $show ) {
-   return $show && empty( $_COOKIE['mctb_hide_bar'] );
+add_filter('mctb_show_bar', function ($show) {
+    return $show && empty($_COOKIE['mctb_hide_bar']);
 });

sample-code-snippets/add-ons/top-bar/javascript-event-callback.php

@@ -1,11 +1,11 @@
 <?php
 
-add_action('wp_footer', function() {
-	?>
-	<script>
-		document.querySelector('#mailchimp-top-bar form').addEventListener('submit', function() {
-			// your code goes here
-		});
-	</script>
-	<?php
-}, 20 );
+add_action('wp_footer', function () {
+    ?>
+    <script>
+        document.querySelector('#mailchimp-top-bar form').addEventListener('submit', function() {
+            // your code goes here
+        });
+    </script>
+    <?php
+}, 20);

sample-code-snippets/add-ons/top-bar/permanently-hide-topbar-after-closing.php

@@ -4,6 +4,6 @@
 * Set cookie when Top Bar is used to subscribe
 */
 
-add_filter( 'mctb_show_bar', function() {
+add_filter('mctb_show_bar', function () {
     return !isset($_COOKIE['mctb_bar_hidden']);
 });

sample-code-snippets/forms/add-class-to-form-element.php

@@ -8,7 +8,8 @@
  *
  * @return array
  */
-function myprefix_add_css_class_to_form(array $classes, MC4WP_Form $form) {
+function myprefix_add_css_class_to_form(array $classes, MC4WP_Form $form)
+{
     $classes[] = 'my-class';
     return $classes;
 }

sample-code-snippets/forms/add-form-after-nth-paragraph-in-posts.php

@@ -3,13 +3,14 @@
 /**
  * Insert a sign-up form after the 3rd paragraph.
  */
-add_filter( 'the_content', function( $content ) {
 
-	if( is_single() ) {
-		$content = mc4wp_insert_after_paragraph( $content, mc4wp_get_form(), 2 );
-	}
+add_filter('the_content', function ($content) {
 
-	return $content;
+    if (is_single()) {
+        $content = mc4wp_insert_after_paragraph($content, mc4wp_get_form(), 2);
+    }
+
+    return $content;
 });
 
 
@@ -24,20 +25,21 @@
  * @return string
  */
 
-function mc4wp_insert_after_paragraph( $content, $insertion, $paragraph_number = 2 ) {
-	static $closing_p = '</p>';
+function mc4wp_insert_after_paragraph($content, $insertion, $paragraph_number = 2)
+{
+    static $closing_p = '</p>';
 
-	$paragraphs = explode( $closing_p, $content );
-	$new_content = '';
-	$target_index = $paragraph_number - 1;
+    $paragraphs = explode($closing_p, $content);
+    $new_content = '';
+    $target_index = $paragraph_number - 1;
 
-	foreach( $paragraphs as $index => $paragraph ) {
-		$new_content .= $paragraph;
+    foreach ($paragraphs as $index => $paragraph) {
+        $new_content .= $paragraph;
 
-		if( $index == $target_index ) {
-			$new_content .= $insertion;
-		}
-	}
+        if ($index == $target_index) {
+            $new_content .= $insertion;
+        }
+    }
 
-	return $new_content;
+    return $new_content;
 }

sample-code-snippets/forms/add-form-after-post.php

@@ -3,13 +3,12 @@
 /**
  * Insert a sign-up form after the post content.
  */
-add_filter( 'the_content', function( $content ) {
 
-	if( is_single() ) {
-		$content .= mc4wp_get_form();
-	}
-
-	return $content;
-});
+add_filter('the_content', function ($content) {
 
+    if (is_single()) {
+        $content .= mc4wp_get_form();
+    }
 
+    return $content;
+});

sample-code-snippets/forms/blacklist-email-addresses.php

@@ -3,19 +3,20 @@
 /**
  * Block certain email addresses from signing up through forms.
  */
-add_filter( 'mc4wp_form_errors', function( $errors, MC4WP_Form $form ) {
+
+add_filter('mc4wp_form_errors', function ($errors, MC4WP_Form $form) {
     $data = $form->get_data();
-    $email = strtolower( $data['EMAIL'] );
+    $email = strtolower($data['EMAIL']);
 
     // add your blocked email addresses here.
-    $blocked_emails = array(
+    $blocked_emails = [
         '[email protected]',
         '[email protected]',
-    );
+    ];
 
-    if( in_array( $email, $blocked_emails ) ) {
+    if (in_array($email, $blocked_emails)) {
         $errors[] = 'spam';
     }
 
     return $errors;
-}, 10, 2 );
+}, 10, 2);

sample-code-snippets/forms/blacklist-ip-addresses.php

@@ -3,16 +3,17 @@
 /**
  * Block certain IP addresses from signing up through forms.
  */
-add_filter( 'mc4wp_form_errors', function( $errors ) {
+
+add_filter('mc4wp_form_errors', function ($errors) {
 
     // add your blocked IP Addresses here.
-    $blocked_ips = array(
+    $blocked_ips = [
         '123.456.789.1'
-    );
+    ];
 
-    if( in_array( $_SERVER['REMOTE_ADDR'], $blocked_ips ) ) {
+    if (in_array($_SERVER['REMOTE_ADDR'], $blocked_ips)) {
         $errors[] = 'spam';
     }
 
     return $errors;
-});
+});

sample-code-snippets/forms/combine-two-fields-into-one.php

@@ -8,17 +8,18 @@
  *
  * @return array
  */
-function myprefix_combine_fields( $data, MC4WP_Form $form ) {
+function myprefix_combine_fields($data, MC4WP_Form $form)
+{
 
-	// get values for both fields
-	$field1 = ( isset( $data['FIELD_ONE'] ) ) ? $data['FIELD_ONE'] : '';
-	$field2 = ( isset( $data['FIELD_TWO'] ) ) ? $data['FIELD_TWO'] : '';
+    // get values for both fields
+    $field1 = ( isset($data['FIELD_ONE']) ) ? $data['FIELD_ONE'] : '';
+    $field2 = ( isset($data['FIELD_TWO']) ) ? $data['FIELD_TWO'] : '';
 
-	// merge the two fields into one
+    // merge the two fields into one
     $data['COMBINED_FIELD'] = $field1 . ' ' . $field2;
 
-	// return customized data
-	return $data;
+    // return customized data
+    return $data;
 }
 
-add_filter( 'mc4wp_form_data', 'myprefix_combine_fields', 10, 2 );
+add_filter('mc4wp_form_data', 'myprefix_combine_fields', 10, 2);