CF7 4.1 changed the validation functionality and old versions of this code no longer work. This is a fix with backward compatibility according to http://contactform7.com/2015/01/06/contact-form-7-41-beta/
Last active
August 29, 2015 14:18
-
-
Save thetrickster/35b4d402b0feeae7074d to your computer and use it in GitHub Desktop.
Contact Form 7 4.1 Custom Validations Fix/Error
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| /* | |
| File: Contact Form 7 Custom Validation | |
| Author: Tirumal | |
| Website: http://www.code-tricks.com | |
| Description: This file, when included in functions.php of WordPress theme extends the contact form 7 data validations. | |
| Such as date, email, phone number, zip codes etc. You can also extend the validations just by providing new names and | |
| respective validaton rules either conditional or reg expressive. | |
| Please note that this is not a plugin. You need to include this file in your theme's functions.php using PHP include() | |
| function. | |
| include("cf7-custom-validation.php"); | |
| More information on this post: http://code-tricks.com/contact-form-7-custom-validation-in-wordpress/ | |
| */ | |
| //url regex | |
| function get_valid_url( $url ) { | |
| $regex = "((https?|ftp)\:\/\/)?"; // Scheme | |
| $regex .= "([a-z0-9+!*(),;?&=\$_.-]+(\:[a-z0-9+!*(),;?&=\$_.-]+)?@)?"; // User and Pass | |
| $regex .= "([a-z0-9-.]*)\.([a-z]{2,3})"; // Host or IP | |
| $regex .= "(\:[0-9]{2,5})?"; // Port | |
| $regex .= "(\/([a-z0-9+\$_-]\.?)+)*\/?"; // Path | |
| $regex .= "(\?[a-z+&\$_.-][a-z0-9;:@&%=+\/\$_.-]*)?"; // GET Query | |
| $regex .= "(#[a-z_.-][a-z0-9+\$_.-]*)?"; // Anchor | |
| return preg_match("/^$regex$/", $url); | |
| } | |
| // CF7 Custom Validation Rules | |
| function compare_date($date1, $date2) { | |
| $date1 = explode('/', $date1); | |
| $date2 = explode('/', $date2); | |
| $output = false; | |
| if($date2[2] > $date1[2]) { | |
| $output = true; | |
| } else { | |
| $output = false; | |
| } | |
| if($date2[2] == $date1[2]) { | |
| if($date2[0] > $date1[0]) { | |
| $output = true; | |
| } else { | |
| $output = false; | |
| } | |
| if($date2[0] == $date1[0]) { | |
| if($date2[1] >= $date1[1]) { | |
| $output = true; | |
| } else { | |
| $output = false; | |
| } | |
| } | |
| } | |
| if ($output) { | |
| return true; | |
| } else { | |
| return false; | |
| } | |
| } | |
| function cf7_custom_form_validation($result,$tag) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| if($type == 'text*' && $_POST[$name] == ''){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_required' ) ); | |
| } | |
| //__________________________________________________________________________________________________ | |
| //Comparision date | |
| $date1 = $_POST['date1']; | |
| $date2 = $_POST['date2']; | |
| //CheckInDate | |
| if($name == 'date1'){ | |
| if(!compare_date($date1, $date2)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_check_in' ) ); | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //CheckOutDate | |
| if($name == 'date2'){ | |
| if(!compare_date($date1, $date2)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_check_in' ) ); | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //url | |
| if($name == 'url') { | |
| $url = $_POST['url']; | |
| if($url != '') { | |
| if(get_valid_url($url)){ | |
| $result['valid'] = true; | |
| } else { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_url' ) ); | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //emailAddress | |
| $allEmailAddresses = array('emailAddress', 'your-email', 'email'); | |
| foreach ($allEmailAddresses as $emailAddress) { | |
| if($name == $emailAddress) { | |
| $emailAddress = $_POST[$emailAddress]; | |
| if($emailAddress != '') { | |
| if(substr($emailAddress, 0, 1) == '.' || !preg_match('/^([*+!.&#$¦\'\\%\/0-9a-z^_`{}=?~:-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,4})$/i', $emailAddress)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_email' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //datemdy | |
| $allDates = array('datemdy', 'date1', 'date2'); | |
| foreach ($allDates as $datemdy) { | |
| if($name == 'datemdy'){ | |
| $datemdy = $_POST['datemdy']; | |
| if($datemdy != '') { | |
| if(!preg_match('/^([0-9]{2})\/([0-9]{2})\/([0-9]{4})$/', $datemdy)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_datemdy' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //US Zip code validation | |
| //USZipCode | |
| $USZipCodes = array('USZipCode', 'zip-code', 'zip', 'zipcode'); | |
| foreach ($USZipCodes as $USZipCode) { | |
| if($name == $USZipCode) { | |
| $USZipCode = $_POST[$USZipCode]; | |
| if($USZipCode != '') { | |
| // if(!preg_match('/^([0-9]{5})(-[0-9]{4})?$/i', $USZipCode)) { | |
| if(!preg_match('/^\d{5}(-\d{4})?$/', $USZipCode)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_zipcode' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| // CANADA Zip code validation | |
| //CANZipCode | |
| if($name == 'CANZipCode') { | |
| $CANZipCode = $_POST['CANZipCode']; | |
| if($CANZipCode != '') { | |
| if(!preg_match('/^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1} *\d{1}[A-Z]{1}\d{1}$/', $CANZipCode)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_zipcode' ) ); | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| // US and CANADA Zip code validation | |
| //USCANZipCode | |
| if($name == 'USCANZipCode') { | |
| $USCANZipCode = $_POST['USCANZipCode']; | |
| if($USCANZipCode != '') { | |
| if(!preg_match('/^[ABCEGHJKLMNPRSTVXY]{1}\d{1}[A-Z]{1} *\d{1}[A-Z]{1}\d{1}$/', $USCANZipCode)) { | |
| if(!preg_match('/^\d{5}(-\d{4})?$/', $USCANZipCode)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_zipcode' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| // Indian Postal code validation | |
| //inPostalCode | |
| if($name == 'inPostalCode') { | |
| $inPostalCode = $_POST['inPostalCode']; | |
| if($inPostalCode != '') { | |
| if(!preg_match('/^[0-9]{6,6}$/', $inPostalCode)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_zipcode_india' ) ); | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //This section updated on 22nd March 2013 | |
| // It will accept character, character + numeric value | |
| // It will not accept special characters | |
| //fullName | |
| $allNames = array('fullName', 'fullName1', 'full-name', 'your-name'); | |
| foreach($allNames as $uniNames) { | |
| if($name == $uniNames) { | |
| $fullName = $_POST[$uniNames]; | |
| if($fullName != '') { | |
| if(!preg_match("/^[A-Z][a-zA-Z']+[ ]+[A-Z][a-zA-Z'\- ]*$/i", $fullName)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_full_name' ) ); | |
| } | |
| if(is_numeric($fullName)){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_full_name' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //acceptNum | |
| $acceptNumbers = array('acceptNumber', 'acceptNumber1', 'acceptNumber2', 'acceptNumber3', 'acceptNumber4', 'acceptNumber5', 'acceptNumber6'); | |
| foreach($acceptNumbers as $acceptNumber){ | |
| if($name == $acceptNumber) { | |
| $acceptNum = $_POST[$acceptNumber]; | |
| if($acceptNum != '') { | |
| if(ctype_digit($acceptNum)) { | |
| $result['valid'] = true; | |
| } else { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_numbers_only' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //faxNumber | |
| $faxNumbers = array('faxNumber', 'faxNumber1', 'faxNumber2', 'faxNumber3', 'faxNumber4', 'faxNumber5', 'faxNumber6'); | |
| foreach($faxNumbers as $faxNum) { | |
| if($name == $faxNum) { | |
| $faxNumber = $_POST[$faxNum]; | |
| $contRegex = '/^(?:1(?:[. -])?)?(?:\((?=\d{3}\)))?([2-9]\d{2})(?:(?<=\(\d{3})\))? ?(?:(?<=\d{3})[.-])?([2-9]\d{2})[. -]?(\d{4})(?: (?i:ext)\.? ?(\d{1,5}))?$/'; | |
| if ($faxNumber != '') { | |
| if(!preg_match($contRegex, $faxNumber) && strlen($faxNumber) > 10 && strlen($faxNumber) < 18) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_fax' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //Agreement fields with the expected values. Ex. write ,,yes" to agree | |
| $agreement = array('agreement','agreement1','agreement2'); | |
| $expectedValues = array('yes', 'Yes', 'YES'); | |
| foreach ($agreement as $a => $aValue) { | |
| if($name == $aValue) { | |
| foreach ($expected_values as $i => $eValue) { | |
| if($eValue == $_POST[$name]) { | |
| $result['valid'] = true; break; | |
| } else { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'accept_terms' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //Only Characters | |
| $OnlyChars = array('onlyChar', 'onlyChar1', 'onlyChar2'); | |
| foreach($OnlyChars as $OnlyChar){ | |
| if($name == $OnlyChar) { | |
| $onlyChar = $_POST[$OnlyChar]; | |
| if($onlyChar != '') { | |
| $containsLettersOrNumbers = (preg_match('~[0-9a-z]~i', $onlyChar) > 0); | |
| if(!$containsLettersOrNumbers | |
| || is_numeric($onlyChar) | |
| || strlen($onlyChar > 64) ) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_chars_only' ) ); | |
| } | |
| if(is_numeric($onlyChar)){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_chars_only' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| //validPhone | |
| /* | |
| 49-4312 / 777 777 | |
| +1 (305) 613-0958 x101 | |
| (305) 613 09 58 ext 101 | |
| 3056130958 | |
| +33 1 47 37 62 24 extension 3 | |
| (016977) 1234 | |
| 04312 - 777 777 | |
| 91-12345-12345 | |
| +58 295416 7216 | |
| */ | |
| $phoneNumbersAll = array('validPhone', 'validPhone1', 'validPhone2', 'validPhone3', 'validPhone4', 'validPhone5', 'validPhone6', 'phone', 'tel', 'your-phone'); | |
| foreach($phoneNumbersAll as $validPhoneVal) { | |
| if($name == $validPhoneVal) { | |
| $validPhone = $_POST[$validPhoneVal]; | |
| if($validPhone != '') { | |
| if(preg_match('/^(?:1(?:[. -])?)?(?:\((?=\d{3}\)))?([2-9]\d{2})(?:(?<=\(\d{3})\))? ?(?:(?<=\d{3})[.-])?([2-9]\d{2})[. -]?(\d{4})(?: (?i:ext)\.? ?(\d{1,5}))?$/', $validPhone) | |
| || preg_match('/^([\+][0-9]{1,3}[\ \.\-])?([\(]{1}[0-9]{2,6}[\)])?([0-9\ \.\-\/]{3,20})((x|ext|extension)[\ ]?[0-9]{1,4})?$/', $validPhone) | |
| && strlen($validPhone) > 9 | |
| && strlen($validPhone) < 30 | |
| && (int)($validPhone)) { | |
| $result['valid'] = true; | |
| } else { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_tel' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| return $result; | |
| } | |
| //add filter for text field validation | |
| add_filter('wpcf7_validate_text','cf7_custom_form_validation', 10, 2); // text field | |
| add_filter('wpcf7_validate_text*', 'cf7_custom_form_validation', 10, 2); // Req. text field | |
| /* | |
| TEXTAREA VALIDATIONS | |
| */ | |
| function cf7_custom_textarea_validation($result, $tag) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| //if empty give required field error | |
| if($type == 'textarea*' && $_POST[$name] == ''){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_required' ) ); | |
| } | |
| //validations begins | |
| //__________________________________________________________________________________________________ | |
| // Address text area validation | |
| if($name == 'addressTa'){ | |
| $addressTa = $_POST['addressTa']; | |
| if($addressTa != '') { | |
| if(strlen($addressTa) > 300) { | |
| $result['valid'] = false; | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_too_short' ) ); | |
| } | |
| } | |
| } | |
| return $result; | |
| } | |
| //add fiter for text area validation | |
| add_filter( 'wpcf7_validate_textarea', 'cf7_custom_textarea_validation', 10, 2 ); | |
| add_filter( 'wpcf7_validate_textarea*', 'cf7_custom_textarea_validation', 10, 2 ); | |
| function cf7_custom_email_validation($result, $tag) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| if($type == 'email*' && $_POST[$name] == ''){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_required' ) ); | |
| } | |
| //[email your-email],[email emailAddress], [email email] | |
| $allEmailAddresses = array('emailAddress', 'your-email', 'email'); | |
| foreach ($allEmailAddresses as $emailAddress) { | |
| if($name == $emailAddress) { | |
| $emailAddress = $_POST[$emailAddress]; | |
| if($emailAddress != '') { | |
| if(substr($emailAddress, 0, 1) == '.' || !preg_match('/^([*+!.&#$¦\'\\%\/0-9a-z^_`{}=?~:-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,4})$/i', $emailAddress)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_email' ) ); | |
| } | |
| } | |
| } | |
| } | |
| return $result; | |
| } | |
| add_filter('wpcf7_validate_email', 'cf7_custom_email_validation', 10, 2); | |
| add_filter('wpcf7_validate_email*', 'cf7_custom_email_validation', 10, 2); | |
| function cf7_custom_tel_validation($result, $tag) { | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| if($type == 'tel*' && $_POST[$name] == ''){ | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_required' ) ); | |
| } | |
| //__________________________________________________________________________________________________ | |
| //validPhone | |
| /* | |
| 49-4312 / 777 777 | |
| +1 (305) 613-0958 x101 | |
| (305) 613 09 58 ext 101 | |
| 3056130958 | |
| +33 1 47 37 62 24 extension 3 | |
| (016977) 1234 | |
| 04312 - 777 777 | |
| 91-12345-12345 | |
| +58 295416 7216 | |
| */ | |
| $phoneNumbersAll = array('validPhone', 'validPhone1', 'validPhone2', 'validPhone3', 'validPhone4', 'validPhone5', 'validPhone6', 'phone', 'tel', 'your-phone'); | |
| foreach($phoneNumbersAll as $validPhoneVal) { | |
| if($name == $validPhoneVal) { | |
| $validPhone = $_POST[$validPhoneVal]; | |
| if($validPhone != '') { | |
| if(preg_match('/^(?:1(?:[. -])?)?(?:\((?=\d{3}\)))?([2-9]\d{2})(?:(?<=\(\d{3})\))? ?(?:(?<=\d{3})[.-])?([2-9]\d{2})[. -]?(\d{4})(?: (?i:ext)\.? ?(\d{1,5}))?$/', $validPhone) | |
| || preg_match('/^([\+][0-9]{1,3}[\ \.\-])?([\(]{1}[0-9]{2,6}[\)])?([0-9\ \.\-\/]{3,20})((x|ext|extension)[\ ]?[0-9]{1,4})?$/', $validPhone) | |
| && strlen($validPhone) > 9 | |
| && strlen($validPhone) < 30 | |
| && (int)($validPhone)) { | |
| $result['valid'] = true; | |
| } else { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_tel' ) ); | |
| } | |
| } | |
| } | |
| } | |
| //__________________________________________________________________________________________________ | |
| return $result; | |
| } | |
| add_filter('wpcf7_validate_tel', 'cf7_custom_tel_validation', 10, 2); | |
| add_filter('wpcf7_validate_tel*', 'cf7_custom_tel_validation', 10, 2); | |
| function cf7_custom_dynamictext_validation($result, $tag) { | |
| global $wpcf7_contact_form; | |
| $type = $tag['type']; | |
| $name = $tag['name']; | |
| $_POST[$name] = trim( strtr( (string) $_POST[$name], "\n", " " ) ); | |
| if ( 'dynamictext*' == $type ) { | |
| if ( '' == $_POST[$name] ) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_required' ) ); | |
| } | |
| } | |
| //[email your-email],[email emailAddress], [email email] | |
| $allEmailAddresses = array('emailAddress', 'your-email', 'email'); | |
| foreach ($allEmailAddresses as $emailAddress) { | |
| if($name == $emailAddress) { | |
| $emailAddress = $_POST[$emailAddress]; | |
| if($emailAddress != '') { | |
| if(substr($emailAddress, 0, 1) == '.' || !preg_match('/^([*+!.&#$¦\'\\%\/0-9a-z^_`{}=?~:-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,4})$/i', $emailAddress)) { | |
| $result['valid'] = false; | |
| $result['reason'] = array( $name => wpcf7_get_message( 'invalid_email' ) ); | |
| } | |
| } | |
| } | |
| } | |
| return $result; | |
| } | |
| add_filter('wpcf7_validate_dynamictext', 'cf7_custom_dynamictext_validation', 10, 2); | |
| add_filter('wpcf7_validate_dynamictext*', 'cf7_custom_dynamictext_validation', 10, 2); | |
| /* | |
| Add Custom Error Messages | |
| */ | |
| if ( !function_exists( 'cf7_custom_validation_messages' ) ) { | |
| function cf7_custom_validation_messages( $messages ) { | |
| return array_merge( $messages, array( | |
| 'invalid_full_name' => array( | |
| 'description' => __( "User enters a name that doesn't appear to be two names (a full name)", 'contact-form-7' ), | |
| 'default' => __( 'Please include your full name.', 'contact-form-7' ) | |
| ), | |
| 'invalid_chars_only' => array( | |
| 'description' => __( "User enters a number in a field that should be characters only", 'contact-form-7' ), | |
| 'default' => __( 'Please include characters only.', 'contact-form-7' ) | |
| ), | |
| 'invalid_numbers_only' => array( | |
| 'description' => __( "User enters a character in a field that should be numbers only", 'contact-form-7' ), | |
| 'default' => __( 'Please include numbers only.', 'contact-form-7' ) | |
| ), | |
| 'invalid_zipcode' => array( | |
| 'description' => __( "User enters a zipcode that is invalid in format", 'contact-form-7' ), | |
| 'default' => __( 'Zipcode seems invalid.', 'contact-form-7' ) | |
| ), | |
| 'invalid_zipcode_india' => array( | |
| 'description' => __( "User enters an invalid Indian zipcode", 'contact-form-7' ), | |
| 'default' => __( 'Entered Pin code for India is Invalid.', 'contact-form-7' ) | |
| ), | |
| 'invalid_fax' => array( | |
| 'description' => __( "Fax number that the sender entered is invalid", 'contact-form-7' ), | |
| 'default' => __( 'Fax number seems invalid.', 'contact-form-7' ) | |
| ), | |
| 'invalid_check_in' => array( | |
| 'description' => __( "Check In date is before Check Out date", 'contact-form-7' ), | |
| 'default' => __( 'Logical Error: Check in date should be before check out date.', 'contact-form-7' ) | |
| ), | |
| 'invalid_check_out' => array( | |
| 'description' => __( "Check Out date is before Check In date", 'contact-form-7' ), | |
| 'default' => __( 'Logical Error: Check out date should be After check in date.', 'contact-form-7' ) | |
| ), | |
| 'invalid_date_mdy' => array( | |
| 'description' => __( "Entered date is not in format MM-DD-YYYY", 'contact-form-7' ), | |
| 'default' => __( 'Please enter date in MM-DD-YYYY format.', 'contact-form-7' ) | |
| ) | |
| )); | |
| } | |
| add_filter( 'wpcf7_messages', 'cf7_custom_validation_messages' ); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
The wording on the blog post about the 4.1 beta changes was a little confusing. I've fixed the backward compatibility issue and it should work with older CF7 versions too.