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| <?php | |
| /** | |
| * Plugin Name: Forminator - image upload width/height limit | |
| * Plugin URI: https://gist.github.com/adczk | |
| * Description: Sets custom width/size image limit for upload fields | |
| * Author: adczk | |
| * | |
| * Author URI: https://gist.github.com/adczk | |
| * License: GPLv2 or later | |
| * | |
| * Use as MU plugin; | |
| * | |
| * Tested with Forminatro 1.30.2 | |
| * | |
| * NOTE: THIS IS ONLY BETA/DEV CODE, it is not fully tested and may not work in 100% cases | |
| * | |
| * USE ONLY WITH UPLOAD FIELDS SET TO "SINGLE" upload mode!!! | |
| * | |
| * Update May 29th 2024 - support for separate limits for different upload fileds | |
| */ | |
| add_filter( 'forminator_custom_form_submit_errors', 'wpmudev_upload_image_dimensions_error', 99, 3 ); | |
| function wpmudev_upload_image_dimensions_error( $submit_errors, $form_id, $field_data_array ) { | |
| ## CONFIG ## | |
| $form_ids = array( 3010, 123 ); // form IDs - one or more; if more - separate numbers with commas | |
| $fields_ids = array( 'upload-1', 'upload-2', 'upload-3' ); // IDs of fields to check, one or more, if more - separate with commas | |
| // max image sizes per each upload field (note no comma after last upload field line | |
| // if size not defined here but field defined in $fields_ids, a "fallback" value below | |
| // will be used | |
| $max_sizes = array( | |
| 'upload-1' => array( 'width'=>500, 'height'=>500 ), | |
| 'upload-2' => array( 'width'=>150, 'height' => 200 ) | |
| ); | |
| // fallback sizes, if not defined per field above | |
| $max_width = 20; // max image width in px - fallback if not defined per field | |
| $max_height = 50; // max image height in px - fallback if not defined per field | |
| $err_msg = 'Maximum image width/height: [wdt] x [hdt]!'; // custom error message for width/height; [wdt] and [hdt] will be replaced with max width/height accordingly. | |
| $no_image_msg = 'Error fetching image sizes!'; // other error e.g. if it's not image file or doesn't exist due to upload issues | |
| ## END OF CONFIG; DO NOT EDIT BELOW ## | |
| if ( !in_array( $form_id, $form_ids ) ) { | |
| return $submit_errors; // just bail out and skip checks | |
| } | |
| // check form fields to find uploads | |
| foreach( $field_data_array as $key => $value ) { | |
| $field_name = $value['name']; | |
| // if field is defined upload field, check it | |
| if ( in_array( $field_name, $fields_ids ) ) { | |
| $max_width_image = $max_width; | |
| $max_height_image = $max_height; | |
| // get field-specific limits if set | |
| if ( array_key_exists( $field_name, $max_sizes ) ) { | |
| $max_width_image = $max_sizes[$field_name]['width']; | |
| $max_height_image = $max_sizes[$field_name]['height']; | |
| } | |
| // get temp path of the uploaded file | |
| $temp_image = $value['value']['file']['tmp_name']; | |
| if ( empty( $temp_image) ) { | |
| $temp_image = $value['value']['file']['file_path']; | |
| } | |
| if ( file_exists( $temp_image ) ) { | |
| // try to get size | |
| $temp_image_size = wp_getimagesize( $temp_image ); | |
| // if success, check width/height; | |
| if ( is_array( $temp_image_size) ) { | |
| $width = $temp_image_size[0]; | |
| $height = $temp_image_size[1]; | |
| // now compare against max | |
| if ( ( $width > $max_width_image) || ( $height > $max_height_image ) ) { | |
| // and if width or height bigger than max issue error | |
| $submit_errors[][$field_name] = str_replace( '[hdt]', $max_height_image, str_replace( '[wdt]', $max_width_image, $err_msg ) );; | |
| } | |
| } else { | |
| error_log('EXISTS - NO SIZE'); | |
| // if could't get sizes | |
| $submit_errors[][$field_name] = $no_image_msg; | |
| } | |
| } else { | |
| // if temp upload file doesn't exist (e.g. due to upload error | |
| $submit_errors[][$field_name] = $no_image_msg; | |
| } | |
| } | |
| } | |
| return $submit_errors; | |
| } |
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