process-donation.php — GiveWP – Donation Plugin and Fundraising Platform 2.1.0

give / includes / process-donation.php

give / includes Last commit date

process-donation.php

1330 lines

1	<?php
2	/**
3	* Process Donation
4	*
5	* @package Give
6	* @subpackage Functions
7	* @copyright Copyright (c) 2016, WordImpress
8	* @license https://opensource.org/licenses/gpl-license GNU Public License
9	* @since 1.0
10	*/
11
12	// Exit if accessed directly.
13	if ( ! defined( 'ABSPATH' ) ) {
14	exit;
15	}
16
17	/**
18	* Process Donation Form
19	*
20	* Handles the donation form process.
21	*
22	* @access private
23	* @since 1.0
24	*
25	* @return mixed
26	*/
27	function give_process_donation_form() {
28
29	$is_ajax = isset( $_POST['give_ajax'] );
30
31	// Verify donation form nonce.
32	if( ! give_verify_donation_form_nonce() ) {
33	if( $is_ajax ) {
34	/**
35	* Fires when AJAX sends back errors from the donation form.
36	*
37	* @since 1.0
38	*/
39	do_action( 'give_ajax_donation_errors' );
40
41	give_die();
42	} else{
43	give_send_back_to_checkout();
44	}
45	}
46
47	/**
48	* Fires before processing the donation form.
49	*
50	* @since 1.0
51	*/
52	do_action( 'give_pre_process_donation' );
53
54	// Validate the form $_POST data.
55	$valid_data = give_donation_form_validate_fields();
56
57	/**
58	* Fires after validating donation form fields.
59	*
60	* Allow you to hook to donation form errors.
61	*
62	* @since 1.0
63	*
64	* @param bool\|array $valid_data Validate fields.
65	* @param array $deprecated Deprecated Since 2.0.2. Use $_POST instead.
66	*/
67	do_action( 'give_checkout_error_checks', $valid_data, $deprecated = $_POST );
68
69	// Process the login form.
70	if ( isset( $_POST['give_login_submit'] ) ) {
71	give_process_form_login();
72	}
73
74	// Validate the user.
75	$user = give_get_donation_form_user( $valid_data );
76
77	if ( false === $valid_data \|\| give_get_errors() \|\| ! $user ) {
78	if ( $is_ajax ) {
79	/**
80	* Fires when AJAX sends back errors from the donation form.
81	*
82	* @since 1.0
83	*/
84	do_action( 'give_ajax_donation_errors' );
85	give_die();
86	} else {
87	return false;
88	}
89	}
90
91	// If AJAX send back success to proceed with form submission.
92	if ( $is_ajax ) {
93	echo 'success';
94	give_die();
95	}
96
97	// After AJAX: Setup session if not using php_sessions.
98	if ( ! Give()->session->use_php_sessions() ) {
99	// Double-check that set_cookie is publicly accessible.
100	// we're using a slightly modified class-wp-sessions.php.
101	$session_reflection = new ReflectionMethod( 'WP_Session', 'set_cookie' );
102	if ( $session_reflection->isPublic() ) {
103	// Manually set the cookie.
104	Give()->session->init()->set_cookie();
105	}
106	}
107
108	// Setup user information.
109	$user_info = array(
110	'id' => $user['user_id'],
111	'email' => $user['user_email'],
112	'first_name' => $user['user_first'],
113	'last_name' => $user['user_last'],
114	'address' => $user['address'],
115	);
116
117	$auth_key = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
118
119	$price = isset( $_POST['give-amount'] ) ?
120	(float) apply_filters( 'give_donation_total', give_maybe_sanitize_amount( $_POST['give-amount'] ) ) :
121	'0.00';
122	$purchase_key = strtolower( md5( $user['user_email'] . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'give', true ) ) );
123
124	// Setup donation information.
125	$donation_data = array(
126	'price' => $price,
127	'purchase_key' => $purchase_key,
128	'user_email' => $user['user_email'],
129	'date' => date( 'Y-m-d H:i:s', current_time( 'timestamp' ) ),
130	'user_info' => stripslashes_deep( $user_info ),
131	'post_data' => give_clean( $_POST ),
132	'gateway' => $valid_data['gateway'],
133	'card_info' => $valid_data['cc_info'],
134	);
135
136	// Add the user data for hooks.
137	$valid_data['user'] = $user;
138
139	/**
140	* Fires before donation form gateway.
141	*
142	* Allow you to hook to donation form before the gateway.
143	*
144	* @since 1.0
145	*
146	* @param array $_POST Array of variables passed via the HTTP POST.
147	* @param array $user_info Array containing basic user information.
148	* @param bool\|array $valid_data Validate fields.
149	*/
150	do_action( 'give_checkout_before_gateway', give_clean( $_POST ), $user_info, $valid_data );
151
152	// Sanity check for price.
153	if ( ! $donation_data['price'] ) {
154	// Revert to manual.
155	$donation_data['gateway'] = 'manual';
156	$_POST['give-gateway'] = 'manual';
157	}
158
159	/**
160	* Allow the donation data to be modified before it is sent to the gateway.
161	*
162	* @since 1.7
163	*/
164	$donation_data = apply_filters( 'give_donation_data_before_gateway', $donation_data, $valid_data );
165
166	// Setup the data we're storing in the donation session.
167	$session_data = $donation_data;
168
169	// Make sure credit card numbers are never stored in sessions.
170	unset( $session_data['card_info']['card_number'] );
171	unset( $session_data['post_data']['card_number'] );
172
173	// Used for showing data to non logged-in users after donation, and for other plugins needing donation data.
174	give_set_purchase_session( $session_data );
175
176	// Send info to the gateway for payment processing.
177	give_send_to_gateway( $donation_data['gateway'], $donation_data );
178	give_die();
179	}
180
181	add_action( 'give_purchase', 'give_process_donation_form' );
182	add_action( 'wp_ajax_give_process_donation', 'give_process_donation_form' );
183	add_action( 'wp_ajax_nopriv_give_process_donation', 'give_process_donation_form' );
184
185	/**
186	* Verify that when a logged in user makes a donation that the email address used doesn't belong to a different customer.
187	*
188	* @since 1.7
189	*
190	* @param array $valid_data Validated data submitted for the donation.
191	*
192	* @return void
193	*/
194	function give_check_logged_in_user_for_existing_email( $valid_data ) {
195
196	// Verify that the email address belongs to this customer.
197	if ( is_user_logged_in() ) {
198
199	$submitted_email = $valid_data['logged_in_user']['user_email'];
200	$donor = new Give_Donor( get_current_user_id(), true );
201
202	// If this email address is not registered with this customer, see if it belongs to any other customer.
203	if (
204	$submitted_email !== $donor->email
205	&& ( is_array( $donor->emails ) && ! in_array( $submitted_email, $donor->emails ) )
206	) {
207	$found_donor = new Give_Donor( $submitted_email );
208
209	if ( $found_donor->id > 0 ) {
210	give_set_error( 'give-customer-email-exists', sprintf( __( 'You are logged in as %1$s, and are submitting a donation as %2$s, which is an existing donor. To ensure that the email address is tied to the correct donor, please submit this donation from a logged-out browser, or choose another email address.', 'give' ), $donor->email, $submitted_email ) );
211	}
212	}
213	}
214	}
215
216	add_action( 'give_checkout_error_checks', 'give_check_logged_in_user_for_existing_email', 10, 1 );
217
218	/**
219	* Process the checkout login form
220	*
221	* @access private
222	* @since 1.0
223	* @return void
224	*/
225	function give_process_form_login() {
226	$is_ajax = isset( $_POST['give_ajax'] );
227
228	$user_data = give_donation_form_validate_user_login();
229
230	if ( give_get_errors() \|\| $user_data['user_id'] < 1 ) {
231	if ( $is_ajax ) {
232	/**
233	* Fires when AJAX sends back errors from the donation form.
234	*
235	* @since 1.0
236	*/
237	ob_start();
238	do_action( 'give_ajax_donation_errors' );
239	$message = ob_get_contents();
240	ob_end_clean();
241	wp_send_json_error( $message );
242	} else {
243	wp_redirect( $_SERVER['HTTP_REFERER'] );
244	exit;
245	}
246	}
247
248	give_log_user_in( $user_data['user_id'], $user_data['user_login'], $user_data['user_pass'] );
249
250	if ( $is_ajax ) {
251	$message = Give()->notices->print_frontend_notice(
252	sprintf(
253	/* translators: %s: user first name */
254	esc_html__( 'Welcome %s! You have successfully logged into your account.', 'give' ),
255	( ! empty( $user_data['user_first'] ) ) ? $user_data['user_first'] : $user_data['user_login']
256	),
257	false,
258	'success'
259	);
260
261	wp_send_json_success( $message );
262	} else {
263	wp_redirect( $_SERVER['HTTP_REFERER'] );
264	}
265	}
266
267	add_action( 'wp_ajax_give_process_donation_login', 'give_process_form_login' );
268	add_action( 'wp_ajax_nopriv_give_process_donation_login', 'give_process_form_login' );
269
270	/**
271	* Donation Form Validate Fields.
272	*
273	* @access private
274	* @since 1.0
275	* @return bool\|array
276	*/
277	function give_donation_form_validate_fields() {
278
279	// Check if there is $_POST.
280	if ( empty( $_POST ) ) {
281	return false;
282	}
283
284	$form_id = ! empty( $_POST['give-form-id'] ) ? $_POST['give-form-id'] : '';
285
286	// Start an array to collect valid data.
287	$valid_data = array(
288	'gateway' => give_donation_form_validate_gateway(), // Gateway fallback (amount is validated here).
289	'need_new_user' => false, // New user flag.
290	'need_user_login' => false, // Login user flag.
291	'logged_user_data' => array(), // Logged user collected data.
292	'new_user_data' => array(), // New user collected data.
293	'login_user_data' => array(), // Login user collected data.
294	'guest_user_data' => array(), // Guest user collected data.
295	'cc_info' => give_donation_form_validate_cc(),// Credit card info.
296	);
297
298	// Validate Honeypot First.
299	if ( ! empty( $_POST['give-honeypot'] ) ) {
300	give_set_error( 'invalid_honeypot', esc_html__( 'Honeypot field detected. Go away bad bot!', 'give' ) );
301	}
302
303	// Check spam detect.
304	if ( isset( $_POST['action'] )
305	&& give_is_setting_enabled( give_get_option( 'akismet_spam_protection' ) )
306	&& give_is_spam_donation()
307	) {
308	give_set_error( 'invalid_donation', __( 'This donation has been flagged as spam. Please try again.', 'give' ) );
309	}
310
311	// Validate agree to terms.
312	if ( give_is_terms_enabled( $form_id ) ) {
313	give_donation_form_validate_agree_to_terms();
314	}
315
316	if ( is_user_logged_in() ) {
317	// Collect logged in user data.
318	$valid_data['logged_in_user'] = give_donation_form_validate_logged_in_user();
319	} elseif ( isset( $_POST['give-purchase-var'] ) && $_POST['give-purchase-var'] == 'needs-to-register' && ! empty( $_POST['give_create_account'] ) ) {
320	// Set new user registration as required.
321	$valid_data['need_new_user'] = true;
322	// Validate new user data.
323	$valid_data['new_user_data'] = give_donation_form_validate_new_user();
324	// Check if login validation is needed.
325	} elseif ( isset( $_POST['give-purchase-var'] ) && $_POST['give-purchase-var'] == 'needs-to-login' ) {
326	// Set user login as required.
327	$valid_data['need_user_login'] = true;
328	// Validate users login info.
329	$valid_data['login_user_data'] = give_donation_form_validate_user_login();
330	} else {
331	// Not registering or logging in, so setup guest user data.
332	$valid_data['guest_user_data'] = give_donation_form_validate_guest_user();
333	}
334
335	// Return collected data.
336	return $valid_data;
337	}
338
339	/**
340	* Detect spam donation.
341	*
342	* @since 1.8.14
343	*
344	* @return bool\|mixed
345	*/
346	function give_is_spam_donation() {
347	$spam = false;
348
349	$user_agent = (string) isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
350
351	if ( strlen( $user_agent ) < 2 ) {
352	$spam = true;
353	}
354
355	// Allow developer to customized Akismet spam detect API call and it's response.
356	return apply_filters( 'give_spam', $spam );
357	}
358
359	/**
360	* Donation Form Validate Gateway
361	*
362	* Validate the gateway and donation amount.
363	*
364	* @access private
365	* @since 1.0
366	* @return string
367	*/
368	function give_donation_form_validate_gateway() {
369
370	$form_id = isset( $_REQUEST['give-form-id'] ) ? $_REQUEST['give-form-id'] : 0;
371	$amount = isset( $_REQUEST['give-amount'] ) ? give_maybe_sanitize_amount( $_REQUEST['give-amount'] ) : 0;
372	$gateway = give_get_default_gateway( $form_id );
373
374	// Check if a gateway value is present.
375	if ( ! empty( $_REQUEST['give-gateway'] ) ) {
376
377	$gateway = sanitize_text_field( $_REQUEST['give-gateway'] );
378
379	// Is amount being donated in LIVE mode 0.00? If so, error:
380	if ( $amount == 0 && ! give_is_test_mode() ) {
381
382	give_set_error( 'invalid_donation_amount', __( 'Please insert a valid donation amount.', 'give' ) );
383
384	} // End if().
385	elseif ( ! give_verify_minimum_price( 'minimum' ) ) {
386	// translators: %s: minimum donation amount.
387	give_set_error(
388	'invalid_donation_minimum',
389	sprintf(
390	/* translators: %s: minimum donation amount */
391	__( 'This form has a minimum donation amount of %s.', 'give' ),
392	give_currency_filter( give_format_amount( give_get_form_minimum_price( $form_id ), array( 'sanitize' => false ) ) )
393	)
394	);
395
396	} // End if().
397	elseif ( ! give_verify_minimum_price( 'maximum' ) ) {
398	// translators: %s: Maximum donation amount.
399	give_set_error(
400	'invalid_donation_maximum',
401	sprintf(
402	/* translators: %s: Maximum donation amount */
403	__( 'This form has a maximum donation amount of %s.', 'give' ),
404	give_currency_filter( give_format_amount( give_get_form_maximum_price( $form_id ), array( 'sanitize' => false ) ) )
405	)
406	);
407
408	} //Is this test mode zero donation? Let it through but set to manual gateway.
409	elseif ( $amount == 0 && give_is_test_mode() ) {
410
411	$gateway = 'manual';
412
413	} //Check if this gateway is active.
414	elseif ( ! give_is_gateway_active( $gateway ) ) {
415
416	give_set_error( 'invalid_gateway', __( 'The selected payment gateway is not enabled.', 'give' ) );
417
418	}
419	}
420
421	return $gateway;
422
423	}
424
425	/**
426	* Donation Form Validate Minimum or Maximum Donation Amount
427	*
428	* @access private
429	* @since 1.3.6
430	* @since 2.1 Added support for give maximum amount.
431	*
432	* @param string $amount_range Which amount needs to verify? minimum or maximum.
433	*
434	* @return bool
435	*/
436	function give_verify_minimum_price( $amount_range = 'minimum' ) {
437
438	$amount = give_maybe_sanitize_amount( $_REQUEST['give-amount'] );
439	$form_id = isset( $_REQUEST['give-form-id'] ) ? $_REQUEST['give-form-id'] : 0;
440	$price_id = isset( $_REQUEST['give-price-id'] ) ? $_REQUEST['give-price-id'] : null;
441	$variable_prices = give_has_variable_prices( $form_id );
442
443	if ( $variable_prices && in_array( $price_id, give_get_variable_price_ids( $form_id ) ) ) {
444
445	$price_level_amount = give_get_price_option_amount( $form_id, $price_id );
446
447	if ( $price_level_amount == $amount ) {
448	return true;
449	}
450	}
451
452	switch ( $amount_range ) {
453	case 'minimum' :
454	if ( give_get_form_minimum_price( $form_id ) > $amount ) {
455	return false;
456	}
457	break;
458	case 'maximum' :
459	if ( give_get_form_maximum_price( $form_id ) < $amount ) {
460	return false;
461	}
462	break;
463	}
464
465	return true;
466	}
467
468	/**
469	* Donation form validate agree to "Terms and Conditions".
470	*
471	* @access private
472	* @since 1.0
473	* @return void
474	*/
475	function give_donation_form_validate_agree_to_terms() {
476	// Validate agree to terms.
477	if ( ! isset( $_POST['give_agree_to_terms'] ) \|\| $_POST['give_agree_to_terms'] != 1 ) {
478	// User did not agree.
479	give_set_error( 'agree_to_terms', apply_filters( 'give_agree_to_terms_text', __( 'You must agree to the terms and conditions.', 'give' ) ) );
480	}
481	}
482
483	/**
484	* Donation Form Required Fields.
485	*
486	* @access private
487	* @since 1.0
488	*
489	* @param $form_id
490	*
491	* @return array
492	*/
493	function give_get_required_fields( $form_id ) {
494
495	$payment_mode = give_get_chosen_gateway( $form_id );
496
497	$required_fields = array(
498	'give_email' => array(
499	'error_id' => 'invalid_email',
500	'error_message' => __( 'Please enter a valid email address.', 'give' ),
501	),
502	'give_first' => array(
503	'error_id' => 'invalid_first_name',
504	'error_message' => __( 'Please enter your first name.', 'give' ),
505	),
506	);
507
508	$require_address = give_require_billing_address( $payment_mode );
509
510	if ( $require_address ) {
511	$required_fields['card_address'] = array(
512	'error_id' => 'invalid_card_address',
513	'error_message' => __( 'Please enter your primary billing address.', 'give' ),
514	);
515	$required_fields['card_zip'] = array(
516	'error_id' => 'invalid_zip_code',
517	'error_message' => __( 'Please enter your zip / postal code.', 'give' ),
518	);
519	$required_fields['card_city'] = array(
520	'error_id' => 'invalid_city',
521	'error_message' => __( 'Please enter your billing city.', 'give' ),
522	);
523	$required_fields['billing_country'] = array(
524	'error_id' => 'invalid_country',
525	'error_message' => __( 'Please select your billing country.', 'give' ),
526	);
527
528
529	$required_fields['card_state'] = array(
530	'error_id' => 'invalid_state',
531	'error_message' => __( 'Please enter billing state / province / County.', 'give' ),
532	);
533
534	// Check if billing country already exists.
535	if ( ! empty( $_POST['billing_country'] ) ) {
536	// Get the value from $_POST.
537	$country = sanitize_text_field( $_POST['billing_country'] );
538
539	// Get the country list that does not required any states init.
540	$states_country = give_states_not_required_country_list();
541
542	// Check if states is empty or not.
543	if ( array_key_exists( $country, $states_country ) ) {
544	// If states is empty remove the required feilds of state in billing cart.
545	unset( $required_fields['card_state'] );
546	}
547	}
548	}
549
550	if ( give_is_company_field_enabled( $form_id ) ) {
551	$form_option = give_get_meta( $form_id, '_give_company_field', true );
552	$global_setting = give_get_option( 'company_field' );
553
554	$is_company_field_required = false;
555
556	if ( ! empty( $form_option ) && give_is_setting_enabled( $form_option, array( 'required' ) ) ) {
557	$is_company_field_required = true;
558
559	} elseif ( 'global' === $form_option && give_is_setting_enabled( $global_setting, array( 'required' ) ) ) {
560	$is_company_field_required = true;
561
562	} elseif ( empty( $form_option ) && give_is_setting_enabled( $global_setting, array( 'required' ) ) ) {
563	$is_company_field_required = true;
564
565	}
566
567	if( $is_company_field_required ) {
568	$required_fields['give_company_name'] = array(
569	'error_id' => 'invalid_company',
570	'error_message' => __( 'Please enter Company Name.', 'give' ),
571	);
572	}
573	}
574
575	/**
576	* Filters the donation form required field.
577	*
578	* @since 1.7
579	*/
580	$required_fields = apply_filters( 'give_donation_form_required_fields', $required_fields, $form_id );
581
582	return $required_fields;
583
584	}
585
586	/**
587	* Check if the Billing Address is required
588	*
589	* @since 1.0.1
590	*
591	* @param string $payment_mode
592	*
593	* @return bool
594	*/
595	function give_require_billing_address( $payment_mode ) {
596
597	$return = false;
598
599	if ( isset( $_POST['billing_country'] ) \|\| did_action( "give_{$payment_mode}_cc_form" ) \|\| did_action( 'give_cc_form' ) ) {
600	$return = true;
601	}
602
603	// Let payment gateways and other extensions determine if address fields should be required.
604	return apply_filters( 'give_require_billing_address', $return );
605
606	}
607
608	/**
609	* Donation Form Validate Logged In User.
610	*
611	* @access private
612	* @since 1.0
613	* @return array
614	*/
615	function give_donation_form_validate_logged_in_user() {
616	global $user_ID;
617
618	$form_id = isset( $_POST['give-form-id'] ) ? $_POST['give-form-id'] : '';
619
620	// Start empty array to collect valid user data.
621	$valid_user_data = array(
622	// Assume there will be errors.
623	'user_id' => - 1,
624	);
625
626	// Verify there is a user_ID.
627	if ( $user_ID > 0 ) {
628	// Get the logged in user data.
629	$user_data = get_userdata( $user_ID );
630
631	// Validate Required Form Fields.
632	give_validate_required_form_fields( $form_id );
633
634	// Verify data.
635	if ( $user_data ) {
636	// Collected logged in user data.
637	$valid_user_data = array(
638	'user_id' => $user_ID,
639	'user_email' => isset( $_POST['give_email'] ) ? sanitize_email( $_POST['give_email'] ) : $user_data->user_email,
640	'user_first' => isset( $_POST['give_first'] ) && ! empty( $_POST['give_first'] ) ? sanitize_text_field( $_POST['give_first'] ) : $user_data->first_name,
641	'user_last' => isset( $_POST['give_last'] ) && ! empty( $_POST['give_last'] ) ? sanitize_text_field( $_POST['give_last'] ) : $user_data->last_name,
642	);
643
644	give_donation_form_validate_name_fields();
645
646	if ( ! is_email( $valid_user_data['user_email'] ) ) {
647	give_set_error( 'email_invalid', esc_html__( 'Invalid email.', 'give' ) );
648	}
649	} else {
650	// Set invalid user error.
651	give_set_error( 'invalid_user', esc_html__( 'The user information is invalid.', 'give' ) );
652	}
653	}
654
655	// Return user data.
656	return $valid_user_data;
657	}
658
659	/**
660	* Donate Form Validate New User
661	*
662	* @access private
663	* @since 1.0
664	* @return array
665	*/
666	function give_donation_form_validate_new_user() {
667
668	$auto_generated_password = wp_generate_password();
669
670	// Default user data.
671	$default_user_data = array(
672	'give-form-id' => '',
673	'user_id' => - 1, // Assume there will be errors.
674	'user_first' => '',
675	'user_last' => '',
676	'give_user_login' => false,
677	'give_email' => false,
678	'give_user_pass' => $auto_generated_password,
679	'give_user_pass_confirm' => $auto_generated_password,
680	);
681
682	// Get user data.
683	$user_data = wp_parse_args( give_clean( $_POST ), $default_user_data );
684	$registering_new_user = false;
685	$form_id = absint( $user_data['give-form-id'] );
686
687	give_donation_form_validate_name_fields();
688
689	// Start an empty array to collect valid user data.
690	$valid_user_data = array(
691	// Assume there will be errors.
692	'user_id' => - 1,
693
694	// Get first name.
695	'user_first' => $user_data['give_first'],
696
697	// Get last name.
698	'user_last' => $user_data['give_last'],
699
700	// Get Password.
701	'user_pass' => $user_data['give_user_pass'],
702	);
703
704	// Validate Required Form Fields.
705	give_validate_required_form_fields( $form_id );
706
707	// Set Email as Username.
708	$valid_user_data['user_login'] = $user_data['give_email'];
709
710	// Check if we have an email to verify.
711	if ( give_validate_user_email( $user_data['give_email'], $registering_new_user ) ) {
712	$valid_user_data['user_email'] = $user_data['give_email'];
713	}
714
715	return $valid_user_data;
716	}
717
718	/**
719	* Donation Form Validate User Login
720	*
721	* @access private
722	* @since 1.0
723	* @return array
724	*/
725	function give_donation_form_validate_user_login() {
726
727	// Start an array to collect valid user data.
728	$valid_user_data = array(
729	// Assume there will be errors.
730	'user_id' => - 1,
731	);
732
733	// Username.
734	if ( ! isset( $_POST['give_user_login'] ) \|\| $_POST['give_user_login'] == '' ) {
735	give_set_error( 'must_log_in', __( 'You must register or login to complete your donation.', 'give' ) );
736
737	return $valid_user_data;
738	}
739
740	// Get the user by login.
741	$user_data = get_user_by( 'login', strip_tags( $_POST['give_user_login'] ) );
742
743	// Check if user exists.
744	if ( $user_data ) {
745	// Get password.
746	$user_pass = isset( $_POST['give_user_pass'] ) ? $_POST['give_user_pass'] : false;
747
748	// Check user_pass.
749	if ( $user_pass ) {
750	// Check if password is valid.
751	if ( ! wp_check_password( $user_pass, $user_data->user_pass, $user_data->ID ) ) {
752	// Incorrect password.
753	give_set_error(
754	'password_incorrect',
755	sprintf(
756	'%1$s <a href="%2$s">%3$s</a>',
757	__( 'The password you entered is incorrect.', 'give' ),
758	wp_lostpassword_url( "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]" ),
759	__( 'Reset Password', 'give' )
760	)
761	);
762	// All is correct.
763	} else {
764
765	// Repopulate the valid user data array.
766	$valid_user_data = array(
767	'user_id' => $user_data->ID,
768	'user_login' => $user_data->user_login,
769	'user_email' => $user_data->user_email,
770	'user_first' => $user_data->first_name,
771	'user_last' => $user_data->last_name,
772	'user_pass' => $user_pass,
773	);
774	}
775	} else {
776	// Empty password.
777	give_set_error( 'password_empty', __( 'Enter a password.', 'give' ) );
778	}
779	} else {
780	// No username.
781	give_set_error( 'username_incorrect', __( 'The username you entered does not exist.', 'give' ) );
782	}// End if().
783
784	return $valid_user_data;
785	}
786
787	/**
788	* Donation Form Validate Guest User
789	*
790	* @access private
791	* @since 1.0
792	* @return array
793	*/
794	function give_donation_form_validate_guest_user() {
795
796	$form_id = isset( $_POST['give-form-id'] ) ? $_POST['give-form-id'] : '';
797
798	// Start an array to collect valid user data.
799	$valid_user_data = array(
800	// Set a default id for guests.
801	'user_id' => 0,
802	);
803
804	give_donation_form_validate_name_fields();
805
806	// Get the guest email.
807	$guest_email = isset( $_POST['give_email'] ) ? $_POST['give_email'] : false;
808
809	// Check email.
810	if ( $guest_email && strlen( $guest_email ) > 0 ) {
811	// Validate email.
812	if ( ! is_email( $guest_email ) ) {
813	// Invalid email.
814	give_set_error( 'email_invalid', __( 'Invalid email.', 'give' ) );
815	} else {
816	// All is good to go.
817	$valid_user_data['user_email'] = $guest_email;
818
819	// Get user_id from donor if exist.
820	$donor = new Give_Donor( $guest_email );
821	if ( $donor->id && $donor->user_id ) {
822	$valid_user_data['user_id'] = $donor->user_id;
823	}
824	}
825	} else {
826	// No email.
827	give_set_error( 'email_empty', __( 'Enter an email.', 'give' ) );
828	}
829
830	// Validate Required Form Fields.
831	give_validate_required_form_fields( $form_id );
832
833	return $valid_user_data;
834	}
835
836	/**
837	* Register And Login New User
838	*
839	* @param array $user_data
840	*
841	* @access private
842	* @since 1.0
843	* @return integer
844	*/
845	function give_register_and_login_new_user( $user_data = array() ) {
846	// Verify the array.
847	if ( empty( $user_data ) ) {
848	return - 1;
849	}
850
851	if ( give_get_errors() ) {
852	return - 1;
853	}
854
855	$user_args = apply_filters( 'give_insert_user_args', array(
856	'user_login' => isset( $user_data['user_login'] ) ? $user_data['user_login'] : '',
857	'user_pass' => isset( $user_data['user_pass'] ) ? $user_data['user_pass'] : '',
858	'user_email' => isset( $user_data['user_email'] ) ? $user_data['user_email'] : '',
859	'first_name' => isset( $user_data['user_first'] ) ? $user_data['user_first'] : '',
860	'last_name' => isset( $user_data['user_last'] ) ? $user_data['user_last'] : '',
861	'user_registered' => date( 'Y-m-d H:i:s' ),
862	'role' => give_get_option( 'donor_default_user_role', 'give_donor' ),
863	), $user_data );
864
865	// Insert new user.
866	$user_id = wp_insert_user( $user_args );
867
868	// Validate inserted user.
869	if ( is_wp_error( $user_id ) ) {
870	return - 1;
871	}
872
873	// Allow themes and plugins to filter the user data.
874	$user_data = apply_filters( 'give_insert_user_data', $user_data, $user_args );
875
876	/**
877	* Fires after inserting user.
878	*
879	* @since 1.0
880	*
881	* @param int $user_id User id.
882	* @param array $user_data Array containing user data.
883	*/
884	do_action( 'give_insert_user', $user_id, $user_data );
885
886	/**
887	* Filter allow user to alter if user when to login or not when user is register for the first time.
888	*
889	* @since 1.8.13
890	*
891	* return bool True if login with registration and False if only want to register.
892	*/
893	if ( true === (bool) apply_filters( 'give_log_user_in_on_register', true ) ) {
894	// Login new user.
895	give_log_user_in( $user_id, $user_data['user_login'], $user_data['user_pass'] );
896	}
897
898	// Return user id.
899	return $user_id;
900	}
901
902	/**
903	* Get Donation Form User
904	*
905	* @param array $valid_data
906	*
907	* @access private
908	* @since 1.0
909	* @return array\|bool
910	*/
911	function give_get_donation_form_user( $valid_data = array() ) {
912
913	// Initialize user.
914	$user = false;
915	$is_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;
916
917	if ( $is_ajax ) {
918	// Do not create or login the user during the ajax submission (check for errors only).
919	return true;
920	} elseif ( is_user_logged_in() ) {
921	// Set the valid user as the logged in collected data.
922	$user = $valid_data['logged_in_user'];
923	} elseif ( $valid_data['need_new_user'] === true \|\| $valid_data['need_user_login'] === true ) {
924	// New user registration.
925	if ( $valid_data['need_new_user'] === true ) {
926	// Set user.
927	$user = $valid_data['new_user_data'];
928	// Register and login new user.
929	$user['user_id'] = give_register_and_login_new_user( $user );
930	// User login
931	} elseif ( $valid_data['need_user_login'] === true && ! $is_ajax ) {
932
933	/**
934	* The login form is now processed in the give_process_donation_login() function.
935	* This is still here for backwards compatibility.
936	* This also allows the old login process to still work if a user removes the checkout login submit button.
937	*
938	* This also ensures that the donor is logged in correctly if they click "Donation" instead of submitting the login form, meaning the donor is logged in during the donation process.
939	*/
940	// Set user.
941	$user = $valid_data['login_user_data'];
942	// Login user.
943	give_log_user_in( $user['user_id'], $user['user_login'], $user['user_pass'] );
944	}
945	}
946
947	// Check guest checkout.
948	if ( false === $user && false === give_logged_in_only( $_POST['give-form-id'] ) ) {
949	// Set user
950	$user = $valid_data['guest_user_data'];
951	}
952
953	// Verify we have an user.
954	if ( false === $user \|\| empty( $user ) ) {
955	// Return false.
956	return false;
957	}
958
959	// Get user first name.
960	if ( ! isset( $user['user_first'] ) \|\| strlen( trim( $user['user_first'] ) ) < 1 ) {
961	$user['user_first'] = isset( $_POST['give_first'] ) ? strip_tags( trim( $_POST['give_first'] ) ) : '';
962	}
963
964	// Get user last name.
965	if ( ! isset( $user['user_last'] ) \|\| strlen( trim( $user['user_last'] ) ) < 1 ) {
966	$user['user_last'] = isset( $_POST['give_last'] ) ? strip_tags( trim( $_POST['give_last'] ) ) : '';
967	}
968
969	// Get the user's billing address details.
970	$user['address'] = array();
971	$user['address']['line1'] = ! empty( $_POST['card_address'] ) ? give_clean( $_POST['card_address'] ) : false;
972	$user['address']['line2'] = ! empty( $_POST['card_address_2'] ) ? give_clean( $_POST['card_address_2'] ) : false;
973	$user['address']['city'] = ! empty( $_POST['card_city'] ) ? give_clean( $_POST['card_city'] ) : false;
974	$user['address']['state'] = ! empty( $_POST['card_state'] ) ? give_clean( $_POST['card_state'] ) : false;
975	$user['address']['zip'] = ! empty( $_POST['card_zip'] ) ? give_clean( $_POST['card_zip'] ) : false;
976	$user['address']['country'] = ! empty( $_POST['billing_country'] ) ? give_clean( $_POST['billing_country'] ) : false;
977
978	if ( empty( $user['address']['country'] ) ) {
979	$user['address'] = false;
980	} // End if().
981
982	// Return valid user.
983	return $user;
984	}
985
986	/**
987	* Validates the credit card info.
988	*
989	* @access private
990	* @since 1.0
991	* @return array
992	*/
993	function give_donation_form_validate_cc() {
994
995	$card_data = give_get_donation_cc_info();
996
997	// Validate the card zip.
998	if ( ! empty( $card_data['card_zip'] ) ) {
999	if ( ! give_donation_form_validate_cc_zip( $card_data['card_zip'], $card_data['card_country'] ) ) {
1000	give_set_error( 'invalid_cc_zip', __( 'The zip / postal code you entered for your billing address is invalid.', 'give' ) );
1001	}
1002	}
1003
1004	// Ensure no spaces.
1005	if ( ! empty( $card_data['card_number'] ) ) {
1006	$card_data['card_number'] = str_replace( '+', '', $card_data['card_number'] ); // no "+" signs
1007	$card_data['card_number'] = str_replace( ' ', '', $card_data['card_number'] ); // No spaces
1008	}
1009
1010	// This should validate card numbers at some point too.
1011	return $card_data;
1012	}
1013
1014	/**
1015	* Get credit card info.
1016	*
1017	* @access private
1018	* @since 1.0
1019	* @return array
1020	*/
1021	function give_get_donation_cc_info() {
1022
1023	$cc_info = array();
1024	$cc_info['card_name'] = isset( $_POST['card_name'] ) ? sanitize_text_field( $_POST['card_name'] ) : '';
1025	$cc_info['card_number'] = isset( $_POST['card_number'] ) ? sanitize_text_field( $_POST['card_number'] ) : '';
1026	$cc_info['card_cvc'] = isset( $_POST['card_cvc'] ) ? sanitize_text_field( $_POST['card_cvc'] ) : '';
1027	$cc_info['card_exp_month'] = isset( $_POST['card_exp_month'] ) ? sanitize_text_field( $_POST['card_exp_month'] ) : '';
1028	$cc_info['card_exp_year'] = isset( $_POST['card_exp_year'] ) ? sanitize_text_field( $_POST['card_exp_year'] ) : '';
1029	$cc_info['card_address'] = isset( $_POST['card_address'] ) ? sanitize_text_field( $_POST['card_address'] ) : '';
1030	$cc_info['card_address_2'] = isset( $_POST['card_address_2'] ) ? sanitize_text_field( $_POST['card_address_2'] ) : '';
1031	$cc_info['card_city'] = isset( $_POST['card_city'] ) ? sanitize_text_field( $_POST['card_city'] ) : '';
1032	$cc_info['card_state'] = isset( $_POST['card_state'] ) ? sanitize_text_field( $_POST['card_state'] ) : '';
1033	$cc_info['card_country'] = isset( $_POST['billing_country'] ) ? sanitize_text_field( $_POST['billing_country'] ) : '';
1034	$cc_info['card_zip'] = isset( $_POST['card_zip'] ) ? sanitize_text_field( $_POST['card_zip'] ) : '';
1035
1036	// Return cc info.
1037	return $cc_info;
1038	}
1039
1040	/**
1041	* Validate zip code based on country code
1042	*
1043	* @since 1.0
1044	*
1045	* @param int $zip
1046	* @param string $country_code
1047	*
1048	* @return bool\|mixed
1049	*/
1050	function give_donation_form_validate_cc_zip( $zip = 0, $country_code = '' ) {
1051	$ret = false;
1052
1053	if ( empty( $zip ) \|\| empty( $country_code ) ) {
1054	return $ret;
1055	}
1056
1057	$country_code = strtoupper( $country_code );
1058
1059	$zip_regex = array(
1060	'AD' => 'AD\d{3}',
1061	'AM' => '(37)?\d{4}',
1062	'AR' => '^([A-Z]{1}\d{4}[A-Z]{3}\|[A-Z]{1}\d{4}\|\d{4})$',
1063	'AS' => '96799',
1064	'AT' => '\d{4}',
1065	'AU' => '^(0[289][0-9]{2})\|([1345689][0-9]{3})\|(2[0-8][0-9]{2})\|(290[0-9])\|(291[0-4])\|(7[0-4][0-9]{2})\|(7[8-9][0-9]{2})$',
1066	'AX' => '22\d{3}',
1067	'AZ' => '\d{4}',
1068	'BA' => '\d{5}',
1069	'BB' => '(BB\d{5})?',
1070	'BD' => '\d{4}',
1071	'BE' => '^[1-9]{1}[0-9]{3}$',
1072	'BG' => '\d{4}',
1073	'BH' => '((1[0-2]\|[2-9])\d{2})?',
1074	'BM' => '[A-Z]{2}[ ]?[A-Z0-9]{2}',
1075	'BN' => '[A-Z]{2}[ ]?\d{4}',
1076	'BR' => '\d{5}[\-]?\d{3}',
1077	'BY' => '\d{6}',
1078	'CA' => '^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1} *\d{1}[A-Z]{1}\d{1}$',
1079	'CC' => '6799',
1080	'CH' => '^[1-9][0-9][0-9][0-9]$',
1081	'CK' => '\d{4}',
1082	'CL' => '\d{7}',
1083	'CN' => '\d{6}',
1084	'CR' => '\d{4,5}\|\d{3}-\d{4}',
1085	'CS' => '\d{5}',
1086	'CV' => '\d{4}',
1087	'CX' => '6798',
1088	'CY' => '\d{4}',
1089	'CZ' => '\d{3}[ ]?\d{2}',
1090	'DE' => '\b((?:0[1-46-9]\d{3})\|(?:[1-357-9]\d{4})\|(?:[4][0-24-9]\d{3})\|(?:[6][013-9]\d{3}))\b',
1091	'DK' => '^([D-d][K-k])?( \|-)?[1-9]{1}[0-9]{3}$',
1092	'DO' => '\d{5}',
1093	'DZ' => '\d{5}',
1094	'EC' => '([A-Z]\d{4}[A-Z]\|(?:[A-Z]{2})?\d{6})?',
1095	'EE' => '\d{5}',
1096	'EG' => '\d{5}',
1097	'ES' => '^([1-9]{2}\|[0-9][1-9]\|[1-9][0-9])[0-9]{3}$',
1098	'ET' => '\d{4}',
1099	'FI' => '\d{5}',
1100	'FK' => 'FIQQ 1ZZ',
1101	'FM' => '(9694[1-4])([ \-]\d{4})?',
1102	'FO' => '\d{3}',
1103	'FR' => '^(F-)?((2[A\|B])\|[0-9]{2})[0-9]{3}$',
1104	'GE' => '\d{4}',
1105	'GF' => '9[78]3\d{2}',
1106	'GL' => '39\d{2}',
1107	'GN' => '\d{3}',
1108	'GP' => '9[78][01]\d{2}',
1109	'GR' => '\d{3}[ ]?\d{2}',
1110	'GS' => 'SIQQ 1ZZ',
1111	'GT' => '\d{5}',
1112	'GU' => '969[123]\d([ \-]\d{4})?',
1113	'GW' => '\d{4}',
1114	'HM' => '\d{4}',
1115	'HN' => '(?:\d{5})?',
1116	'HR' => '\d{5}',
1117	'HT' => '\d{4}',
1118	'HU' => '\d{4}',
1119	'ID' => '\d{5}',
1120	'IE' => '((D\|DUBLIN)?([1-9]\|6[wW]\|1[0-8]\|2[024]))?',
1121	'IL' => '\d{5}',
1122	'IN' => '^[1-9][0-9][0-9][0-9][0-9][0-9]$', // india
1123	'IO' => 'BBND 1ZZ',
1124	'IQ' => '\d{5}',
1125	'IS' => '\d{3}',
1126	'IT' => '^(V-\|I-)?[0-9]{5}$',
1127	'JO' => '\d{5}',
1128	'JP' => '\d{3}-\d{4}',
1129	'KE' => '\d{5}',
1130	'KG' => '\d{6}',
1131	'KH' => '\d{5}',
1132	'KR' => '\d{3}[\-]\d{3}',
1133	'KW' => '\d{5}',
1134	'KZ' => '\d{6}',
1135	'LA' => '\d{5}',
1136	'LB' => '(\d{4}([ ]?\d{4})?)?',
1137	'LI' => '(948[5-9])\|(949[0-7])',
1138	'LK' => '\d{5}',
1139	'LR' => '\d{4}',
1140	'LS' => '\d{3}',
1141	'LT' => '\d{5}',
1142	'LU' => '\d{4}',
1143	'LV' => '\d{4}',
1144	'MA' => '\d{5}',
1145	'MC' => '980\d{2}',
1146	'MD' => '\d{4}',
1147	'ME' => '8\d{4}',
1148	'MG' => '\d{3}',
1149	'MH' => '969[67]\d([ \-]\d{4})?',
1150	'MK' => '\d{4}',
1151	'MN' => '\d{6}',
1152	'MP' => '9695[012]([ \-]\d{4})?',
1153	'MQ' => '9[78]2\d{2}',
1154	'MT' => '[A-Z]{3}[ ]?\d{2,4}',
1155	'MU' => '(\d{3}[A-Z]{2}\d{3})?',
1156	'MV' => '\d{5}',
1157	'MX' => '\d{5}',
1158	'MY' => '\d{5}',
1159	'NC' => '988\d{2}',
1160	'NE' => '\d{4}',
1161	'NF' => '2899',
1162	'NG' => '(\d{6})?',
1163	'NI' => '((\d{4}-)?\d{3}-\d{3}(-\d{1})?)?',
1164	'NL' => '^[1-9][0-9]{3}\s?([a-zA-Z]{2})?$',
1165	'NO' => '\d{4}',
1166	'NP' => '\d{5}',
1167	'NZ' => '\d{4}',
1168	'OM' => '(PC )?\d{3}',
1169	'PF' => '987\d{2}',
1170	'PG' => '\d{3}',
1171	'PH' => '\d{4}',
1172	'PK' => '\d{5}',
1173	'PL' => '\d{2}-\d{3}',
1174	'PM' => '9[78]5\d{2}',
1175	'PN' => 'PCRN 1ZZ',
1176	'PR' => '00[679]\d{2}([ \-]\d{4})?',
1177	'PT' => '\d{4}([\-]\d{3})?',
1178	'PW' => '96940',
1179	'PY' => '\d{4}',
1180	'RE' => '9[78]4\d{2}',
1181	'RO' => '\d{6}',
1182	'RS' => '\d{5}',
1183	'RU' => '\d{6}',
1184	'SA' => '\d{5}',
1185	'SE' => '^(s-\|S-){0,1}[0-9]{3}\s?[0-9]{2}$',
1186	'SG' => '\d{6}',
1187	'SH' => '(ASCN\|STHL) 1ZZ',
1188	'SI' => '\d{4}',
1189	'SJ' => '\d{4}',
1190	'SK' => '\d{3}[ ]?\d{2}',
1191	'SM' => '4789\d',
1192	'SN' => '\d{5}',
1193	'SO' => '\d{5}',
1194	'SZ' => '[HLMS]\d{3}',
1195	'TC' => 'TKCA 1ZZ',
1196	'TH' => '\d{5}',
1197	'TJ' => '\d{6}',
1198	'TM' => '\d{6}',
1199	'TN' => '\d{4}',
1200	'TR' => '\d{5}',
1201	'TW' => '\d{3}(\d{2})?',
1202	'UA' => '\d{5}',
1203	'UK' => '^(GIR\|[A-Z]\d[A-Z\d]??\|[A-Z]{2}\d[A-Z\d]??)[ ]??(\d[A-Z]{2})$',
1204	'US' => '^\d{5}([\-]?\d{4})?$',
1205	'UY' => '\d{5}',
1206	'UZ' => '\d{6}',
1207	'VA' => '00120',
1208	'VE' => '\d{4}',
1209	'VI' => '008(([0-4]\d)\|(5[01]))([ \-]\d{4})?',
1210	'WF' => '986\d{2}',
1211	'YT' => '976\d{2}',
1212	'YU' => '\d{5}',
1213	'ZA' => '\d{4}',
1214	'ZM' => '\d{5}',
1215	);
1216
1217	if ( ! isset( $zip_regex[ $country_code ] ) \|\| preg_match( '/' . $zip_regex[ $country_code ] . '/i', $zip ) ) {
1218	$ret = true;
1219	}
1220
1221	return apply_filters( 'give_is_zip_valid', $ret, $zip, $country_code );
1222	}
1223
1224	/**
1225	* Validate donation amount and auto set correct donation level id on basis of amount.
1226	*
1227	* Note: If amount does not match to donation level amount then level id will be auto select to first match level id on basis of amount.
1228	*
1229	* @param array $valid_data List of Valid Data.
1230	*
1231	* @return bool
1232	*/
1233	function give_validate_donation_amount( $valid_data ) {
1234	$data = $_POST;
1235
1236	/* @var Give_Donate_Form $form */
1237	$form = new Give_Donate_Form( $data['give-form-id'] );
1238
1239	$donation_level_matched = false;
1240
1241	if ( $form->is_set_type_donation_form() ) {
1242	// Sanitize donation amount.
1243	$data['give-amount'] = give_maybe_sanitize_amount( $data['give-amount'] );
1244
1245	// Backward compatibility.
1246	if ( $form->is_custom_price( $data['give-amount'] ) ) {
1247	$_POST['give-price-id'] = 'custom';
1248	}
1249
1250	$donation_level_matched = true;
1251
1252	} elseif ( $form->is_multi_type_donation_form() ) {
1253
1254	// Bailout.
1255	if ( ! ( $variable_prices = $form->get_prices() ) ) {
1256	return false;
1257	}
1258
1259	// Sanitize donation amount.
1260	$data['give-amount'] = give_maybe_sanitize_amount( $data['give-amount'] );
1261
1262	if ( $data['give-amount'] === give_maybe_sanitize_amount( give_get_price_option_amount( $data['give-form-id'], $data['give-price-id'] ) ) ) {
1263	return true;
1264	}
1265
1266	if ( $form->is_custom_price( $data['give-amount'] ) ) {
1267	$_POST['give-price-id'] = 'custom';
1268	} else {
1269	// Find correct donation level from all donation levels.
1270	foreach ( $variable_prices as $variable_price ) {
1271	// Sanitize level amount.
1272	$variable_price['_give_amount'] = give_maybe_sanitize_amount( $variable_price['_give_amount'] );
1273
1274	// Set first match donation level ID.
1275	if ( $data['give-amount'] === $variable_price['_give_amount'] ) {
1276	$_POST['give-price-id'] = $variable_price['_give_id']['level_id'];
1277	break;
1278	}
1279	}
1280	}
1281
1282	// If donation amount is not find in donation levels then check if form has custom donation feature enable or not.
1283	// If yes then set price id to custom if amount is greater then custom minimum amount (if any).
1284	if ( ! empty( $_POST['give-price-id'] ) ) {
1285	$donation_level_matched = true;
1286	}
1287	}// End if().
1288
1289	return ( $donation_level_matched ? true : false );
1290	}
1291
1292	add_action( 'give_checkout_error_checks', 'give_validate_donation_amount', 10, 1 );
1293
1294	/**
1295	* Validate Required Form Fields.
1296	*
1297	* @param int $form_id Form ID.
1298	*
1299	* @since 2.0
1300	*/
1301	function give_validate_required_form_fields( $form_id ) {
1302
1303	// Loop through required fields and show error messages.
1304	foreach ( give_get_required_fields( $form_id ) as $field_name => $value ) {
1305
1306	// Clean Up Data of the input fields.
1307	$field_value = give_clean( $_POST[ $field_name ] );
1308
1309	// Check whether the required field is empty, then show the error message.
1310	if ( in_array( $value, give_get_required_fields( $form_id ) ) && empty( $field_value ) ) {
1311	give_set_error( $value['error_id'], $value['error_message'] );
1312	}
1313	}
1314	}
1315
1316	/**
1317	* Validates and checks if name fields don't contain email addresses.
1318	*
1319	* @since 2.1
1320	* @return void
1321	*/
1322	function give_donation_form_validate_name_fields() {
1323	$is_first_name = is_email( $_POST['give_first'] ) ? true : false;
1324	$is_last_name = is_email( $_POST['give_last'] ) ? true : false;
1325
1326	if ( $is_first_name \|\| $is_last_name ) {
1327	give_set_error( 'invalid_name', esc_html__( '<First Name \| Last Name> cannot contain email address.', 'give' ) );
1328	}
1329	}
1330