acf-field-group-documentor.php

<?php

//this is very rough, but it works. 
//add this to your functions file and navigate to your site   http://yoururl.com/?acf-dump=1    then look in your footer area. 

add_action( 'wp_footer', 'after_the_fact_documentation' );

function after_the_fact_documentation() {
	if ( isset( $_GET['dump-acf'] ) ) {
		$groups = acf_get_field_groups();

		$object_types = array();
		foreach ( $groups as $group ) {

			if ( isset( $group['location'] ) ) {
				foreach ( $group['location'] as $and ) {

					foreach ( $and as $rule ) {

						if ( $rule['operator'] == '==' ) {
							if ( !isset( $object_types[$rule['param']] ) ) {
								$object_types[$rule['param']] = array();
							}

							if ( !isset( $object_types[$rule['param']][$rule['value']] ) ) {
								$object_types[$rule['param']][$rule['value']] = array();
							}

							$object_types[$rule['param']][$rule['value']][] = $group['key'];
						}
					}
				}
			}
		}
	}

	echo '<ul>';
	foreach ( $object_types as $object_type => $objects ) {

		echo '<li>';
		echo $object_type;

		echo '<ul>';
		foreach ( $objects as $object => $groups ) {
			echo '<li>';
			echo $object;
			echo '<ul>';
			foreach ( $groups as $group_key ) {
				$acf_field_group = acf_get_field_group( $group_key );
				$field_group_fields = acf_get_fields( $acf_field_group );

				echo '<li>';
				echo 'Group: ' . $acf_field_group['title'];

				echo '<ul>';
				if ( !empty( $field_group_fields ) ) {
					echo '<li>';
					echo 'Fields';
					echo '<ul>';
					foreach ( array_keys( $field_group_fields ) as $i ) {
						$field = acf_extract_var( $field_group_fields, $i );
						echo '<li>';
						echo $field['label'] . ' : ' . acf_dump_get_field_type_label($field);
						acf_dump_print_sub_fields( $field );
						echo '</li>';
					}
					echo '</ul>';
					echo '</li>';
				}
				echo '</ul>';
				echo '</li>';
			}
			echo '</ul>';
			echo '</li>';
		}
		echo '</ul>';

		echo '</li>';
	}

	echo '</ul>';
	die();
}

function acf_dump_print_sub_fields( $field ) {
	if ( $field['type'] == 'repeater' ) {
		echo '<ul>';
		foreach ( $field['sub_fields'] as $sub_field ) {
			echo '<li>';
			echo $sub_field['label'] . ' : ' . acf_dump_get_field_type_label($sub_field);
			acf_dump_print_sub_fields( $sub_field );
			echo '</li>';
		}
		echo '</ul>';
	} elseif ( $field['type'] == 'flexible_content' ) {
		$layouts = array();
		foreach ( $field['layouts'] as $k => $layout ) {
			$layouts[$layout['name']] = acf_extract_var( $field['layouts'], $k );
		}

		echo '<ul>';
		foreach ( $layouts as $layout ) {
			echo '<li>';
			echo $layout['name'];
			echo '<ul>';
			foreach ( $layout['sub_fields'] as $sub_field ) {
				echo '<li>';
				echo $sub_field['label'] . ' : ' . acf_dump_get_field_type_label($sub_field);
				acf_dump_print_sub_fields( $sub_field );
				echo '</li>';
			}
			echo '</ul>';
			echo '</li>';
		}
		echo '</ul>';
	}
}

function acf_dump_get_field_type_label( $field ) {
	if ( acf_field_type_exists( $field['type'] ) ) {
		return acf_get_field_type_label( $field['type'] );
	} else {
		return $field['type'];
	}
}