When it’s about controlling hundreds of articles, product pages for web shops, or user profiles in social networks, all
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add_filter('woocommerce_checkout_fields', function($fields) {
$required_fields = [
'billing_first_name',
'billing_phone',
'billing_address_1',
'billing_city',
'billing_state',
'billing_postcode'
];
foreach ($required_fields as $field) {
if (isset($fields['billing'][$field])) {
$fields['billing'][$field]['required'] = true;
}
}
$fields['billing']['billing_address_1']['label'] = 'Complete Address';
$fields['billing']['billing_address_1']['placeholder'] = 'House no, street, area, landmark';
$fields['billing']['billing_address_2']['label'] = 'Area / Locality / Landmark';
$fields['billing']['billing_address_2']['placeholder'] = 'Nearby landmark or locality';
$fields['billing']['billing_address_2']['required'] = true;
return $fields;
});
add_action('woocommerce_after_checkout_validation', function($data, $errors) {
$address1 = trim($data['billing_address_1'] ?? '');
$address2 = trim($data['billing_address_2'] ?? '');
$city = trim($data['billing_city'] ?? '');
$postcode = trim($data['billing_postcode'] ?? '');
$phone = trim($data['billing_phone'] ?? '');
$bad_values = ['na', 'n/a', 'no', 'none', '.', '-', 'same', 'ok', 'test'];
if (strlen($address1) < 15 || in_array(strtolower($address1), $bad_values)) {
$errors->add('address_error', 'Please enter your complete address with house number, street and area.');
}
if (strlen($address2) < 4 || in_array(strtolower($address2), $bad_values)) {
$errors->add('locality_error', 'Please enter area/locality or landmark.');
}
if (strlen($city) < 3 || in_array(strtolower($city), $bad_values)) {
$errors->add('city_error', 'Please enter a valid city name.');
}
if (!preg_match('/^[1-9][0-9]{5}$/', $postcode)) {
$errors->add('postcode_error', 'Please enter a valid 6 digit pincode.');
}
if (!preg_match('/^[6-9][0-9]{9}$/', $phone)) {
$errors->add('phone_error', 'Please enter a valid 10 digit Indian mobile number.');
}
}, 10, 2);
