apply_filters( "render_block_{$this->name}", string $block_content, array $block, WP_Block $instance )

Filters the content of a single block.

Contents

Description
Parameters
Source
Related
- Used By
Changelog
User Contributed Notes

Description

The dynamic portion of the hook name, $name, refers to the block name, e.g. "core/paragraph".

Parameters

$block_content: (string) The block content about to be appended.
$block: (array) The full block, including name and attributes.
$instance: (WP_Block) The block instance.

Source

File: wp-includes/class-wp-block.php

Used By

Used By
Used By	Description
wp-includes/class-wp-block.php: WP_Block::render()	Generates the render output for the block.

Changelog

Changelog
Version	Description
5.9.0	The `$instance` parameter was added.
5.7.0	Introduced.

User Contributed Notes

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Contributed by Lovro Hrust — 1 year ago
$block is array with keys:
- blockName
- attrs – array of block attributes
- innerBlocks – array of inner blocks
- innerHTML – resultant HTML from inside block comment delimiters after removing inner blocks.
- innerContent – list of string fragments and null markers where inner blocks were found
These keys are explained and referenced in WP_Block
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