conditional-tags - Read For Learn

Conditionally loading Facebook PHP SDK in shortcode

You can try to use the_posts filter to search for you shortcode and require the sdk, something like this: function has_my_FB_shortcode($posts) { if ( empty($posts) ) return $posts; $found = false; foreach ($posts as $post) { if ( stripos($post->post_content, ‘[my_shortcode’) ){ $found = true; break; } } if ($found) require(‘path/to/facebook_sdk.php’); return $posts; } add_action(‘the_posts’, ‘has_my_FB_shortcode’);

Check if page/post has any anchors that link to an image jpg/gif/png

This method has worked in the past for checking if a shortcode exists on a page. You will have to test it and see if it fires in time to enqueue the javascript> add_filter(‘the_posts’, ‘c3_image_check’); function c3_image_check($posts){ if (empty($posts)) return $posts; $img_found = false; foreach ($posts as $post) { if (stripos($post->post_content, ‘<img src=”https://wordpress.stackexchange.com/questions/53585/)) { $img_found … Read more

Featured Image Size Conditional Tag?

Yes your question makes sense. My understanding of the image attachments in WP is that you upload an image and it gets resized to all defined sizes currently defined in your instance of WP. So you can’t specify a given size for a given image upload. And therefore, there is no way of ascertaining what … Read more

Issue getting gettext to work with conditional statements

I had success with the following where I specifically set the $domain. In your instance you might want to change $domain to $woocommerce. Take a look at the original related_products function and see how it is outputted using the localisation function to determine what domain to use. Hope that helps function wpa_translate_email( $translated_text, $text, $domain … Read more

is_page_template not working as expected

It looks like you’re checking if you’re on the mobile_photo post type archive with this line: <?php elseif ( is_page_template( ‘archive-mobile_photo.php’ ) ) : ?> If that’s indeed the case, use is_post_type_archive( $post_types ) instead: <?php elseif ( is_post_type_archive( ‘mobile_photo’ ) ) : ?>

Second Navigation inside header

Best is always subjective, however, I’d put it in the following manner to have better control and better arrangement of my templates: A structure to have granular control: First, I’d create a new folder, e.g. template-parts in my theme and then inside that, another folder e.g. navigation (to have separate template parts in different folders). … Read more

Limit posts only on home page – ideally in functions.php

So this is a tiny bit hacky, but it achieves want you want relatively cleanly without you needing to change your themes, which was presumably the point of wanting to do it in functions.php. First make WP_Query think it’s getting all the posts with default pagination settings as usual: function change_posts_number_home_page( $query ) { if … Read more

Closest thing to an is_widget() tag?

Well, if you insist using get_template_part, the only solution I see is to define a global variable in your widget’s widget() function, and set it to true or something. After you call get_template_part in your widget, set this variable to false. Within your template check for that variable, and if it’s true, it means you … Read more

Bulk add tag (or any sort of label) to posts who have custom excerpt

Some questions are easily solved searching this Stack and joining some answers together. Bulk post type conversion Automated adding of one tag to all the posts in a category The following plugin will run the conversion code when activated. Adjust the $tags array, and don’t forget to backup your database before proceeding. <?php /* Plugin … Read more

Check if current page is wp-admin

You can test for roles with current_user_can(): if ( is_admin() && !current_user_can(‘administrator’) ) { // redirect }

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