uiu-cse/inc/acf/includes/fields/class-acf-field-separator.php

<?php

if ( ! class_exists( 'acf_field_separator' ) ) :

	class acf_field_separator extends acf_field {


		/*
		*  __construct
		*
		*  This function will setup the field type data
		*
		*  @type    function
		*  @date    5/03/2014
		*  @since   5.0.0
		*
		*  @param   n/a
		*  @return  n/a
		*/

		function initialize() {

			// vars
			$this->name     = 'separator';
			$this->label    = __( 'Separator', 'acf' );
			$this->category = 'layout';

		}


		/*
		*  render_field()
		*
		*  Create the HTML interface for your field
		*
		*  @param   $field - an array holding all the field's data
		*
		*  @type    action
		*  @since   3.6
		*  @date    23/01/13
		*/

		function render_field( $field ) {

			/* do nothing */

		}


		/*
		*  load_field()
		*
		*  This filter is appied to the $field after it is loaded from the database
		*
		*  @type    filter
		*  @since   3.6
		*  @date    23/01/13
		*
		*  @param   $field - the field array holding all the field options
		*
		*  @return  $field - the field array holding all the field options
		*/

		function load_field( $field ) {

			// remove name to avoid caching issue
			$field['name'] = '';

			// remove required to avoid JS issues
			$field['required'] = 0;

			// set value other than 'null' to avoid ACF loading / caching issue
			$field['value'] = false;

			// return
			return $field;

		}

	}


	// initialize
	acf_register_field_type( 'acf_field_separator' );

endif; // class_exists check