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Check if Region exists

Hi Is it possible using PHP in a master page template to check if a Region exists and if not load another?

eg.

if(isset(Landing Page) {
$pageContent = perch_content_custom('Landing Page', $opts);
} else {
$pageContent = perch_content_custom('Subpage', $opts);
}

I know this is not correct syntax but wanted to give a better idea of what I am trying.

Thanks.
Keith Winter

Keith Winter 0 points

  • 4 years ago
Drew McLellan

Drew McLellan 2638 points
Perch Support

4 years ago 
$pageContent = perch_content_custom('Landing Page', [
    'return-html' => true,
    'skip-template' => true,
]);

if (isset($pageContent[0])) {
    echo $pageContent['html'];
} else {
    perch_content_custom('Subpage', $opts);
}
Keith Winter

Keith Winter 0 points

4 years ago

Thanks Drew

Can't quite get that to fit in with the way I'm displaying content sorry.

I am looping through navgroup assigned pages to show content on home page

Some pages have 'Landing Page' region and some 'Subpage' region.

Here is more of my code -

$navigation = perch_pages_navigation(array(
                    'navgroup' => 'show-on-home',
                    'skip-template' => true
                ));

                if (!empty($navigation)) {
                    foreach( $navigation as $item ) { 
                        $opts = array(
                            'page' => $item['pagePath'], 
                            'skip-template' => true,
                        );

                        $pageContent = perch_content_custom('Landing Page', $opts);

                        if (!empty($pageContent)) {
                                    //set content vars
                                    $thelink = $item['pagePath'];
                                    $theheading = $pageContent[0]['heading'];
                                    $thetext = $pageContent[0]['panel-text'];

                                    // and so on...

I echo out the content for each iteration of the loop.

Hope that explains.

Thanks
Drew McLellan

Drew McLellan 2638 points
Perch Support

4 years ago

Ok, well it should be easy to adapt the principle to fit your page.
Keith Winter

Keith Winter 0 points

4 years ago

Hi Drew Thanks as always -

Got it working except getting I'm getting 'Undefined offset: 0 in.....' error message when loop first encounters the following line and the region 'Page' does not exist.

$pageContent = perch_content_custom('Page', $opts);

The error is displayed and then the isset($pageContent[0]['heading']) function works and the differently named region is used as wanted. In other words the page principle perfectly, using the 2 different pages that have different named regions but displays the error in the middle, I assume because the array is not returned by the perch content custom function?

Here is my code now with the error checking etc


foreach( $navigation as $item ) { 
                        $opts = array(
                            'page' => $item['pagePath'], 
                            'skip-template' => true,
                        );

                    // error I think is here when perch function first fails to find 'Page'  region?  
                    $pageContent = perch_content_custom('Page', $opts);

                        if (isset($pageContent[0]['heading'])) { 

                                $pageContent = perch_content_custom('Page', $opts);

                             } else {

                        $pageContent = perch_content_custom('Overlay Subpage', $opts);

                        }


                        if (!empty($pageContent)) {

                          //display content here

Thanks again for the help.
Drew McLellan

Drew McLellan 2638 points
Perch Support

4 years ago

This is really just a PHP question.

if (isset($pageContent[0]) && isset($pageContent[0]['heading']))
Keith Winter

Keith Winter 0 points

4 years ago

Thanks Drew. Of course, now I see it, it is obvious. Works like a dream, a beer I owe you! cheers