Increase WordPress Max Upload File Size
Raise the WordPress upload limit at the PHP level: php.ini, .user.ini or .htaccess, plus a diagnostics plugin that verifies the change with…
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WordPress Engineering Hub
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WooCommerce
Add Custom Fields to WooCommerce Checkout
Add a delivery note field to the classic WooCommerce checkout, validate it, save it through the order object so HPOS keeps it, and show it on orders and…
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More tutorials
Increase WordPress Max Upload File Size
Raise the WordPress upload limit at the PHP level: php.ini, .user.ini or .htaccess, plus a diagnostics plugin that verifies the change with…
Read tutorial
Fix WordPress Database Connection Error
Work out why WordPress cannot reach MySQL: compare three fix routes, read the wp-config constants, probe the host with mysqladmin and repair…
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No Shipping Options Available in WooCommerce: Fix It
Trace the WooCommerce 'no shipping options available' checkout error step by step: zone coverage, method instances, class and weight rules, plus a…
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Validate AI-Generated Gutenberg Block Markup Before Insert: parse_blocks, Allowlist and Fallback
Stop LLM block markup from corrupting post_content. Parse the tree, reject unknown blocks and raw HTML, sanitise attributes against block.json, diff the…
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Harden WordPress Application Passwords: Per-Role Availability, Revocation on Role Change and Auth Logging
Lock down WordPress application passwords: restrict them to named roles, force HTTPS, auto-revoke on role change, log every auth attempt, and audit…
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Build a Streaming WordPress AI Chat Assistant: SSE Endpoint, Conversation Table and Per-User Rate Limits
Build a secure WordPress AI chat plugin with a nonce-protected REST endpoint, SSE streaming, a custom conversation table, per-user/IP rate limits and…
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