template_preprocess_file_upload_help(&$variables)
Prepares variables for file upload help text templates.
Default template: file-upload-help.html.twig.
Parameters
array $variables: An associative array containing:
- description: The normal description for this field, specified by the user.
- upload_validators: An array of upload validators as used in $element['#upload_validators'].
File
- core/modules/file/file.field.inc, line 142
- Field module functionality for the File module.
Code
function template_preprocess_file_upload_help(&$variables) { $description = $variables['description']; $upload_validators = $variables['upload_validators']; $cardinality = $variables['cardinality']; $descriptions = array(); if (!empty($description)) { $descriptions[] = FieldFilteredMarkup::create($description); } if (isset($cardinality)) { if ($cardinality == -1) { $descriptions[] = t('Unlimited number of files can be uploaded to this field.'); } else { $descriptions[] = \Drupal::translation()->formatPlural($cardinality, 'One file only.', 'Maximum @count files.'); } } if (isset($upload_validators['file_validate_size'])) { $descriptions[] = t('@size limit.', array('@size' => format_size($upload_validators['file_validate_size'][0]))); } if (isset($upload_validators['file_validate_extensions'])) { $descriptions[] = t('Allowed types: @extensions.', array('@extensions' => $upload_validators['file_validate_extensions'][0])); } if (isset($upload_validators['file_validate_image_resolution'])) { $max = $upload_validators['file_validate_image_resolution'][0]; $min = $upload_validators['file_validate_image_resolution'][1]; if ($min && $max && $min == $max) { $descriptions[] = t('Images must be exactly <strong>@size</strong> pixels.', array('@size' => $max)); } elseif ($min && $max) { $descriptions[] = t('Images must be larger than <strong>@min</strong> pixels. Images larger than <strong>@max</strong> pixels will be resized.', array('@min' => $min, '@max' => $max)); } elseif ($min) { $descriptions[] = t('Images must be larger than <strong>@min</strong> pixels.', array('@min' => $min)); } elseif ($max) { $descriptions[] = t('Images larger than <strong>@max</strong> pixels will be resized.', array('@max' => $max)); } } $variables['descriptions'] = $descriptions; }
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