WP_Theme_JSON::get_merged_preset_by_slug( array $preset_per_origin, string $value_key ): array

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This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Given an array of presets keyed by origin and the value key of the preset, it returns an array where each key is the preset slug and each value the preset value.


Array of presets keyed by origin.
The property of the preset that contains its value.


array Array of presets where each key is a slug and each value is the preset value.


	array( 'spacing', 'padding' ),
	array( 'typography', 'lineHeight' ),

 * The latest version of the schema in use.
 * @since 5.8.0
 * @since 5.9.0 Changed value from 1 to 2.
 * @var int
const LATEST_SCHEMA = 2;

 * Constructor.
 * @since 5.8.0



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