Tutorials for Developers & Sysadmins

Step-by-step guides for the work we actually do — Laravel, PHP, WordPress, MySQL, Linux servers, and the occasional rabbit hole. Every command has been run on a real machine; nothing is theoretical.

WordPress wp_dequeue_style priority 9999 runs after plugin enqueues
Web Development

How to Deregister or Remove a CSS File in WordPress (wp_dequeue_style Not Working)

WordPress wp_dequeue_style not working? Bump hook priority to 9999 so your dequeue runs after plugin enqueues. Finding handles, replacing with…

how7o
how7o
WordPress posts by date range — date_query with after/before/inclusive
Web Development

How to Get Posts by Date Range in WordPress

WordPress posts by date range via date_query in WP_Query or pre_get_posts. Covers after/before, inclusive, calendar parts, OR relation, and the…

how7o
how7o
WordPress custom avatar without a plugin — media uploader writes user meta, get_avatar filter renders the image
Web Development

How to Change a User Profile Picture in WordPress Without a Plugin

WordPress custom avatar no plugin: media-library uploader on user profile + user meta + get_avatar filter. Full functions.php + uploader.js…

how7o
how7o
WordPress pre_get_posts scoped to a custom post type with is_post_type_archive
Web Development

How to Apply pre_get_posts on Custom Post Types in WordPress

WordPress pre_get_posts custom post type: scope the hook with is_post_type_archive or post_type query var. Mandatory guards, merge meta_query/tax_query.

how7o
how7o
WordPress logged-in menu swap — register_nav_menus + wp_nav_menu with is_user_logged_in ternary
Web Development

How to Display Different Menus to Logged-In Users in WordPress

WordPress logged-in menu: register two nav locations and pick via is_user_logged_in() ternary. Plus the wp_nav_menu_objects filter for lighter item-level swaps.

how7o
how7o
WordPress disable revision and autosave — wp-config constants and wp_print_scripts dequeue
Web Development

How to Disable Revisions and Autosave in WordPress

WordPress disable revision with WP_POST_REVISIONS false + AUTOSAVE_INTERVAL in wp-config. Per-post-type via wp_revisions_to_keep filter, plus WP-CLI cleanup.

how7o
how7o
WordPress $wpdb->insert_id — read after $wpdb->insert or $wpdb->query INSERT
Web Development

How to Retrieve the Last Inserted Row ID in WordPress

WordPress wpdb insert_id: read after $wpdb->insert() or $wpdb->query('INSERT ...'). Bulk-insert semantics, safety checks, and why it replaces mysql_insert_id.

how7o
how7o
WordPress prepare LIKE SQL — %s placeholder + % wildcards in the value
Web Development

How to Prepare a %LIKE% SQL Statement in WordPress

WordPress prepare LIKE: use %s in the query and wrap the value with % wildcards. Covers esc_like() for user input,…

how7o
how7o
WordPress order posts by meta value — WP_Query or pre_get_posts with meta_value_num
Web Development

How to Order Posts by Meta Value in WordPress

WordPress order posts by meta value with meta_key + orderby=meta_value_num in WP_Query or pre_get_posts. Including no-meta posts with EXISTS/NOT EXISTS.

how7o
how7o
WordPress search users by multiple fields — WP_User_Query search_columns + meta_query
Web Development

How to Search Users by Multiple Fields in WordPress

WordPress search users across user_login, email, display_name via WP_User_Query search_columns. Add meta_query for first_name / last_name, plus pagination.

how7o
how7o