Complete the WP_Block_Type::$render_callback property
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The callback supports 3 parameters 1. Attributes -> array 2. Content -> string 3. Block Object -> \WP_Block Argument #3 is available under dynamic rendering context as seen here. https://github.com/WordPress/WordPress/blob/e3d1a1291fd3bbfdca3af409e8007d35f2109fa4/wp-includes/class-wp-block.php#L258 In some circumstances (e.g. Legacy widget iframe) argument #3 is not provided. Hence the nullable. https://github.com/WordPress/WordPress/blob/e3d1a1291fd3bbfdca3af409e8007d35f2109fa4/wp-includes/class-wp-block-type.php#L398
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Well spotted, thanks. |
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The callback supports 3 parameters
Argument #3 is available under dynamic rendering context as seen here. https://github.com/WordPress/WordPress/blob/e3d1a1291fd3bbfdca3af409e8007d35f2109fa4/wp-includes/class-wp-block.php#L258
In some circumstances (e.g. Legacy widget iframe) argument #3 is not provided. Hence the optional
=. https://github.com/WordPress/WordPress/blob/e3d1a1291fd3bbfdca3af409e8007d35f2109fa4/wp-includes/class-wp-block-type.php#L398