wp-includes/class-wp-customize-manager.php:1156Gets changeset data.
array public function changeset_data() { if ( isset( $this->_changeset_data ) ) { return $this->_changeset_data; } $changeset_post_id = $this->changeset_post_id(); if ( ! $changeset_post_id ) { $this->_changeset_data = array(); } else { if ( $this->autosaved() && is_user_logged_in() ) { $autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); if ( $autosave_post ) { $data = $this->get_changeset_post_data( $autosave_post->ID ); if ( ! is_wp_error( $data ) ) { $this->_changeset_data = $data; } } } // Load data from the changeset if it was not loaded from an autosave. if ( ! isset( $this->_changeset_data ) ) { $data = $this->get_changeset_post_data( $changeset_post_id ); if ( ! is_wp_error( $data ) ) { $this->_changeset_data = $data; } else { $this->_changeset_data = array(); } } } return $this->_changeset_data; }Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.