WP_Theme_JSON::__construct( array $theme_json = array( => self::LATEST_SCHEMA), string $origin )

Source

public function __construct( $theme_json = array( 'version' => self::LATEST_SCHEMA ), $origin = 'theme' ) {
	if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) {
		$origin = 'theme';
	}

	$this->theme_json    = WP_Theme_JSON_Schema::migrate( $theme_json, $origin );
	$blocks_metadata     = static::get_blocks_metadata();
	$valid_block_names   = array_keys( $blocks_metadata );
	$valid_element_names = array_keys( static::ELEMENTS );
	$valid_variations    = static::get_valid_block_style_variations( $blocks_metadata );
	$this->theme_json    = static::unwrap_shared_block_style_variations( $this->theme_json, $valid_variations );
	$this->theme_json    = static::sanitize( $this->theme_json, $valid_block_names, $valid_element_names, $valid_variations );
	$this->theme_json    = static::maybe_opt_in_into_settings( $this->theme_json );

	// Internally, presets are keyed by origin.
	$nodes = static::get_setting_nodes( $this->theme_json );
	foreach ( $nodes as $node ) {
		foreach ( static::PRESETS_METADATA as $preset_metadata ) {
			$path = $node['path'];
			foreach ( $preset_metadata['path'] as $subpath ) {
				$path[] = $subpath;
			}
			$preset = _wp_array_get( $this->theme_json, $path, null );
			if ( null !== $preset ) {
				// If the preset is not already keyed by origin.
				if ( isset( $preset[0] ) || empty( $preset ) ) {
					_wp_array_set( $this->theme_json, $path, array( $origin => $preset ) );
				}
			}
		}
	}

	// In addition to presets, spacingScale (which generates presets) is also keyed by origin.
	$scale_path    = array( 'settings', 'spacing', 'spacingScale' );
	$spacing_scale = _wp_array_get( $this->theme_json, $scale_path, null );
	if ( null !== $spacing_scale ) {
		// If the spacingScale is not already keyed by origin.
		if ( empty( array_intersect( array_keys( $spacing_scale ), static::VALID_ORIGINS ) ) ) {
			_wp_array_set( $this->theme_json, $scale_path, array( $origin => $spacing_scale ) );
		}
	}

	// Pre-generate the spacingSizes from spacingScale.
	$scale_path    = array( 'settings', 'spacing', 'spacingScale', $origin );
	$spacing_scale = _wp_array_get( $this->theme_json, $scale_path, null );
	if ( isset( $spacing_scale ) ) {
		$sizes_path           = array( 'settings', 'spacing', 'spacingSizes', $origin );
		$spacing_sizes        = _wp_array_get( $this->theme_json, $sizes_path, array() );
		$spacing_scale_sizes  = static::compute_spacing_sizes( $spacing_scale );
		$merged_spacing_sizes = static::merge_spacing_sizes( $spacing_scale_sizes, $spacing_sizes );
		_wp_array_set( $this->theme_json, $sizes_path, $merged_spacing_sizes );
	}
}

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