Function that migrates a given theme.json structure to the last version.

Parameters

$theme_jsonarrayrequired

The structure to migrate.

$originstringoptional

What source of data this object represents.
One of 'blocks', 'default', 'theme', or 'custom'. Default 'theme'.

Default:'theme'

Return

Source

public static function migrate( $theme_json, $origin = 'theme' ) {
	if ( ! isset( $theme_json['version'] ) ) {
		$theme_json = array(
			'version' => WP_Theme_JSON::LATEST_SCHEMA,
		);
	}

	// Migrate each version in order starting with the current version.
	switch ( $theme_json['version'] ) {
		case 1:
			$theme_json = self::migrate_v1_to_v2( $theme_json );
			// Deliberate fall through. Once migrated to v2, also migrate to v3.
		case 2:
			$theme_json = self::migrate_v2_to_v3( $theme_json, $origin );
	}

	return $theme_json;
}

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