WordPress: Attempt to assign property “post_content” on null

I’ve hit this error a few times. The issue is with the wp_posts table, where for some reason when exporting/importing the database/table causes some issue with multiple posts having the same IDs for multiple posts. To resolve, re-import the database, or possibly delete out all of the rows that have duplicate post Ids.

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WordPress Order Posts by a Meta Value

$args = array(    ‘post_type’ => ‘sessions’,    ‘post_status’ => ‘publish’,    ‘posts_per_page’ => -1,    ‘orderby’ => ‘meta_value’,    ‘meta_key’ => ‘session_date’,    ‘order’ => ‘ASC’ );

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wordpress caption tag is appearing in text

I hit an odd issue where the wordpress caption tag text (actually the shortcode text for the caption) was appearing around the image. I’m gathering the data from a wysiwyg field from ACF.   Apparently you need to apply shortcodes to this. Also, my text didn’t have line breaks, so doing something like this solved those issues: […]

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WordPress Meta Query Mix Relation

Using a mix of ‘And’ and ‘Or’ operators in the meta_query portion of wordpress get posts query. Specifically with this one, I was looking for an event that had a tag specified by the $show variable, and where the date to see if it was current was either the start or end date of the […]

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Wordpress Set Image Upload Size There are four sizes of images that get created in wordpress when an admin user uploads an image to the media section. You can add more though. To do so, just add the following to the functions.php file: add_image_size('custom_size_name',600,600); In the above, the first number represents the maximum width, and the second is the maximum height. Basically the newly created image will fit within a box of those dimensions.

WordPress Set Image Upload Size

There are four sizes of images that get created in wordpress when an admin user uploads an image to the media section. You can add more though. To do so, just add the following to the functions.php file: add_image_size(‘custom_size_name’,600,600); In the above, the first number represents the maximum width, and the second is the maximum […]

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Standard WordPress Image Sizes

thumbnail = Thumbnail (default 150px x 150px max) medium = Medium resolution (default 300px x 300px max) large = Large resolution (default 1024px x 1024px max) full = Full resolution (original size uploaded)

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Get Featured Image URL By Size

get_the_post_thumbnail_url(get_the_ID(), ‘thumbnail’); get_the_post_thumbnail_url(get_the_ID(), ‘medium’); get_the_post_thumbnail_url(get_the_ID(), ‘large’);

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Displaying Future Posts

To display future posts, just include the ‘post_status’ as part of the query: $args = array(      ‘post_status’ => array(‘publish’,’future’),     ‘post_type’ =>  ‘blog’,     ‘posts_per_page’ => 21,     ‘paged’ => $paged    );

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WordPress – Category Page Not Showing Posts With Custom Post Type

I had created a post type for news articles. Unfortunately, when categorizing the pages, and trying to view the category from the front end, those posts weren’t appearing.   Apparently that doesn’t work for cusotm post types by default. To get them to show, add this to the functions.php file: function namespace_add_custom_types( $query ) {    if( (is_category() || is_tag()) && $query->is_archive() && empty( $query->query_vars[‘suppress_filters’] ) ) {       $query->set( ‘post_type’, array(        ‘post’, ‘news’       ));    } } […]

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