Programming
Add a Block Style Variation in WordPress
register_block_style adds a named look to a block that already exists, without writing a new block at all. WordPress applies an is-style-* class when…
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Category: Programming
Programming
Register a Block Pattern in WordPress
register_block_pattern stores a ready-made arrangement of blocks, while register_block_pattern_category gives it a home in the inserter. The content is ordinary block markup copied out…
Programming
Create a Dynamic Gutenberg Block With a PHP Render Callback
A dynamic block saves nothing: save returns null and render_callback names the PHP that builds the markup on every request, so the output can…
Programming
Add Settings Controls to a Gutenberg Block
Attributes in block.json declare what a block stores, then InspectorControls moves the fields into the editor sidebar where authors expect them. PanelBody groups the…
Programming
Create a Custom Gutenberg Block Without a Build Step
register_block_type reads a block.json file and wp.blocks.registerBlockType describes the block in plain JavaScript. Because wp.element.createElement replaces JSX, there is no compiler in the loop…
Programming
Capture Output With Output Buffering in PHP
ob_start catches everything a script prints, so a template that echoes becomes a function that returns. That one trick powers shortcodes and page caches,…