Get all field IDs or field slugs or field labels from a Caldera Form

all-fields.php

<?php
/**
Get all field IDs or field slugs or field labels from a Caldera Form
*/
	//Get form config
	$form = Caldera_Forms_Forms::get_form( 'CF58c1e0a4d7c27' );

	//Get all fields in order
	$fields = Caldera_Forms_Forms::get_fields( $form, true );

	//reduce to just field IDs
	$field_ids = array_keys( $fields );

	//reduce to just field slugs
	$field_slugs = wp_list_pluck( $fields, 'slug' );

	//reduce to just field labels
	$field_labels = wp_list_pluck( $fields, 'label' );