evf-conditional-functions.php — Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI 1.8.7

everest-forms / includes / evf-conditional-functions.php

everest-forms / includes Last commit date

evf-conditional-functions.php

57 lines

1	<?php
2	/**
3	* EverestForms Conditional Functions
4	*
5	* Functions for determining the current query/page.
6	*
7	* @package EverestForms/Functions
8	* @version 1.2.0
9	*/
10
11	defined( 'ABSPATH' ) \|\| exit;
12
13	if ( ! function_exists( 'is_ajax' ) ) {
14
15	/**
16	* Is_ajax - Returns true when the page is loaded via ajax.
17	*
18	* @return bool
19	*/
20	function is_ajax() {
21	return function_exists( 'wp_doing_ajax' ) ? wp_doing_ajax() : defined( 'DOING_AJAX' );
22	}
23	}
24
25	/**
26	* Check if the string is JSON.
27	*
28	* @param string $string String to check.
29	* @return bool
30	*/
31	function evf_is_json( $string ) {
32	return is_string( $string ) ? is_object( json_decode( $string ) ) : false;
33	}
34
35	/**
36	* Checks if field exists within the form.
37	*
38	* @since 1.5.7
39	* @param int $form_id Form ID.
40	* @param string $field Field ID.
41	* @return bool True if the field exists in the form.
42	*/
43	function evf_is_field_exists( $form_id, $field ) {
44	$form_obj = evf()->form->get( $form_id );
45	$form_data = ! empty( $form_obj->post_content ) ? evf_decode( $form_obj->post_content ) : '';
46
47	if ( ! empty( $form_data['form_fields'] ) ) {
48	foreach ( $form_data['form_fields'] as $form_field ) {
49	if ( $field === $form_field['type'] ) {
50	return true;
51	}
52	}
53	}
54
55	return false;
56	}
57