Created
July 16, 2018 13:12
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Gravity forms image size ( width , height ) validation
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<?php | |
function limit_file_upload_size( $validation_result ) { | |
$images = json_decode(json_decode('"'.$_POST['gform_uploaded_files'].'"', true)); | |
$form = $validation_result['form']; | |
foreach( $form['fields'] as &$field ){ | |
$is_hidden = RGFormsModel::is_field_hidden( $form, $field, array() ); | |
if( $is_hidden ) | |
continue; | |
if($field["id"] == "19") | |
{ | |
foreach($images->input_19 as $image) | |
{ | |
$input_name = 'input_' . $field['id']; | |
$temp_location = RGFormsModel::get_upload_path($form['id']) . '/tmp/' . $image->temp_filename; | |
if ( file_exists( $temp_location ) ) | |
$filesize = getimagesize( $temp_location ); | |
$minimum = array('width' => '768', 'height' => '500'); | |
$width= $filesize[0]; | |
$height =$filesize[1]; | |
if ($width < $minimum['width'] ) | |
{ | |
$validation_result['is_valid'] = false; | |
$field['failed_validation'] = true; | |
$field['validation_message'] = "Image dimensions are too small. Minimum width is {$minimum['width']}px. Uploaded image width is $width px. ( {$image->uploaded_filename} )"; | |
} | |
elseif ($height < $minimum['height']) | |
{ | |
$validation_result['is_valid'] = false; | |
$field['failed_validation'] = true; | |
$field['validation_message'] = "Image dimensions are too small. Minimum height is {$minimum['height']}px. Uploaded image height is $height px. ( {$image->uploaded_filename} )"; | |
} | |
} | |
} | |
} | |
$validation_result['form'] = $form; | |
return $validation_result; | |
} | |
add_filter('gform_validation_1', 'limit_file_upload_size'); |
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