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Multiple required fields in WooCommerce - Enhance last year's code to make multiple WooCommerce product fields required. https://www.damiencarbery.com/2019/09/multiple-required-fields-in-woocommerce/
<?php
/*
Plugin Name: Multiple Required fields (WooCommerce)
Plugin URI: https://www.damiencarbery.com/2019/09/multiple-required-fields-in-woocommerce/
Description: Enhance last year's code to make multiple WooCommerce product fields required.
Author: Damien Carbery
Author URI: http://www.damiencarbery.com
Version: 0.1
*/
add_action( 'admin_head', 'dcwd_require_weight_field' );
function dcwd_require_weight_field() {
$screen = get_current_screen();
$screen_id = $screen ? $screen->id : '';
if ( $screen_id == 'product' ) {
?>
<script>
jQuery(document).ready(function(jQuery){
required_fields_data = [
[ 'Weight', '#_weight', 'Shipping', '.shipping_tab > a' ],
[ 'Length', '#product_length', 'Shipping', '.shipping_tab > a' ],
[ 'Width', '#product_width', 'Shipping', '.shipping_tab > a' ],
[ 'Height', '#product_height', 'Shipping', '.shipping_tab > a' ],
];
num_required_fields = required_fields_data.length;
// Set the fields as required.
for ( i = 0; i < num_required_fields; i++ ) {
$( required_fields_data[ i ][ 1 ] ).prop('required',true);
}
// Verify that each required field has a non-zero value before allowing save.
$( '#publish' ).on( 'click', function() {
error_message = '';
target_field = null;
target_tab = null;
for ( i = 0; i < num_required_fields; i++ ) {
value = $.trim($( required_fields_data[ i ][ 1 ] ).val());
if ( value == '' || value == 0 ) {
error_message += required_fields_data[ i ][ 0 ] + " must be set in the "+ required_fields_data[ i ][ 2 ] +" tab.\n";
target_field = required_fields_data[ i ][ 1 ];
target_tab = required_fields_data[ i ][ 3 ];
}
}
if ( error_message != '' ) {
alert( error_message );
$( target_tab ).click(); // Click on appropriate tab.
$( target_field ).focus(); // Focus on the appropriate field.
return false;
}
});
});
</script>
<?php
}
}
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