Add footer link support to themes, stop get_footer_urls() from returning empty links (#15)

lib/themefunctions.php

@@ -486,12 +486,18 @@ function get_fontawesome_css($echo = true) {
 }
 
 /**
- * Return an array [[title, url], [title, url]] of links for the page footer
+ * Return an array [[title, link], [title, link]] of links for the page footer
  */
 function get_footer_urls() {
     $links = json_decode(get_setting("footerlinks", false), true);
     if (is_array($links)) {
-        return $links;
+        $filtered = [];
+        foreach ($links as $l) {
+            if ($l['title'] != "" && $l['link'] != "") {
+                $filtered[] = $l;
+            }
+        }
+        return $filtered;
     }
     return [];
 }

public/themes/bootstrap/inc/footer.inc.php

@@ -9,6 +9,20 @@
 <footer class="footer jumbotron mt-5 mb-0">
     <div class="row">
         <div class="col-12 col-md-6">
+            <ul class="list-unstyled ml-4">
+                <?php
+                $links = get_footer_urls();
+                foreach ($links as $l) {
+                    ?>
+                    <li>
+                        <a href="<?php echo $l['link']; ?>">
+                            <i class="fas fa-arrow-right"></i> <?php echo $l['title']; ?>
+                        </a>
+                    </li>
+                    <?php
+                }
+                ?>
+            </ul>
         </div>
         <div class="col-12 col-md-6">
             <?php output_conditional("<h4>[[VAR]]</h4>", get_setting("businessname")); ?>

public/themes/verti/inc/footer.inc.php

@@ -2,7 +2,7 @@
 <div id="footer-wrapper">
     <footer id="footer" class="container">
         <div class="row">
-            <div class="6u 6u$(medium) 12u$(small)">
+            <div class="6u 12u$(medium) 12u$(small)">
 
                 <!-- Contact -->
                 <section class="widget contact">
@@ -29,34 +29,58 @@
                 </section>
 
             </div>
+            <?php
+            $links = get_footer_urls();
+            $links1 = [];
+            $links2 = [];
+            foreach ($links as $l) {
+                if (count($links1) < 5) {
+                    $links1[] = $l;
+                } else {
+                    $links2[] = $l;
+                }
+            }
+            ?>
             <div class="3u 6u(medium) 12u$(small)">
 
                 <!-- Links -->
-                <!--<section class="widget links">
-                    <h3>Random Stuff</h3>
+                <section class="widget links">
+                    <h3>Links</h3>
                     <ul class="style2">
-                        <li><a href="#">Etiam feugiat condimentum</a></li>
-                        <li><a href="#">Aliquam imperdiet suscipit odio</a></li>
-                        <li><a href="#">Sed porttitor cras in erat nec</a></li>
-                        <li><a href="#">Felis varius pellentesque potenti</a></li>
-                        <li><a href="#">Nullam scelerisque blandit leo</a></li>
+                        <?php
+                        foreach ($links1 as $l) {
+                            ?>
+                            <li>
+                                <a href="<?php echo $l['link']; ?>">
+                                    <?php echo $l['title']; ?>
+                                </a>
+                            </li>
+                            <?php
+                        }
+                        ?>
                     </ul>
-                </section>-->
+                </section>
 
             </div>
             <div class="3u 6u$(medium) 12u$(small)">
 
                 <!-- Links -->
-                <!--<section class="widget links">
-                    <h3>Random Stuff</h3>
+                <section class="widget links">
+                    <h3>&nbsp;</h3>
                     <ul class="style2">
-                        <li><a href="#">Etiam feugiat condimentum</a></li>
-                        <li><a href="#">Aliquam imperdiet suscipit odio</a></li>
-                        <li><a href="#">Sed porttitor cras in erat nec</a></li>
-                        <li><a href="#">Felis varius pellentesque potenti</a></li>
-                        <li><a href="#">Nullam scelerisque blandit leo</a></li>
+                        <?php
+                        foreach ($links2 as $l) {
+                            ?>
+                            <li>
+                                <a href="<?php echo $l['link']; ?>">
+                                    <?php echo $l['title']; ?>
+                                </a>
+                            </li>
+                            <?php
+                        }
+                        ?>
                     </ul>
-                </section>-->
+                </section>
 
             </div>
         </div>