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.

WooCommerce product view counter — meta-based counter with increment and display hooks
Web Development

How to Display a Product View Counter in WooCommerce Without a Plugin

WooCommerce product view counter without a plugin: post meta increments on each view, priority 25 summary display. Plus AJAX variant…

how7o
how7o
WooCommerce orders as My Account default — menu filter + redirect
Web Development

How to Display Orders Instead of Dashboard on the WooCommerce My Account Page

WooCommerce replace dashboard with orders on My Account: filter removes the Dashboard menu item, parse_request redirects /my-account/ to /my-account/orders/.

how7o
how7o
WooCommerce auto add to cart on visit — template_redirect hook and cart dedup
Web Development

How to Automatically Add a Product to Cart on Visit in WooCommerce

WooCommerce auto add to cart on page visit via template_redirect + WC()->cart->add_to_cart. Dedup against existing items, meta-flag variant, variable products.

how7o
how7o
WooCommerce add custom fee — woocommerce_cart_calculate_fees + WC()->cart->add_fee
Web Development

How to Add a Custom Fee (or Transaction Fee) in WooCommerce

WooCommerce add fee via cart_calculate_fees hook. Six patterns: fixed, percentage, threshold, country, shipping method, payment method. Plus tax handling.

how7o
how7o
WooCommerce My Account login form hooks — five positions for injecting content
Web Development

How to Add a Link or Button After the Login Form in WooCommerce

WooCommerce login form hook: five positions (start, end, before/after) to inject shortcodes or HTML into the My Account login form.…

how7o
how7o
WordPress admin notice — four notice types shown at the top of the admin area
Web Development

How to Show Custom Notifications in the WordPress Dashboard

WordPress admin notice via the admin_notices hook. Info/success/warning/error types, screen + role scoping, safe escaping, and the show-once pattern.

how7o
how7o
WordPress system cron — DISABLE_WP_CRON + system crontab hitting wp-cron.php
Web Development

How to Set Up a System-Based Cron Job in WordPress

WordPress system cron: DISABLE_WP_CRON in wp-config, then crontab hits wp-cron.php on a schedule. Covers cPanel, wget vs PHP CLI, and…

how7o
how7o
WordPress cron job without a plugin — cron_schedules, wp_schedule_event, and action callback
Web Development

How to Schedule a Cron Job in WordPress Without a Plugin

WordPress cron job no plugin: cron_schedules filter for the interval, wp_schedule_event to register, an action for the callback. Clearing +…

how7o
how7o
WordPress default posts per page — get_option reads the Settings Reading value
Web Development

How to Get the Default Posts Per Page Value in WordPress

WordPress default posts per page: get_option('posts_per_page') reads the Settings → Reading value. Use in custom WP_Query, plus per-archive overrides.

how7o
how7o
WordPress too many redirects HTTPS — Cloudflare flexible SSL loop and the wp-config fix
Web Development

Fix ERR_TOO_MANY_REDIRECTS in WordPress After Switching to HTTPS

WordPress too many redirects after switching to HTTPS: trust X-Forwarded-Proto in wp-config. Cloudflare Flexible SSL trap and the Full (strict)…

how7o
how7o