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<?php |
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|
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/** |
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* This file is part of the Nette Framework (https://nette.org) |
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com) |
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*/ |
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declare (strict_types=1); |
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namespace Packetery\Nette\Forms; |
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|
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use Packetery\Nette; |
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use Packetery\Nette\Utils\Html; |
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use Packetery\Nette\Utils\Strings; |
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/** |
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* Forms helpers. |
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*/ |
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class Helpers |
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{ |
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use \Packetery\Nette\StaticClass; |
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private const UNSAFE_NAMES = ['attributes', 'children', 'elements', 'focus', 'length', 'reset', 'style', 'submit', 'onsubmit', 'form', 'presenter', 'action']; |
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/** |
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* Extracts and sanitizes submitted form data for single control. |
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* @param int $type type Form::DATA_TEXT, DATA_LINE, DATA_FILE, DATA_KEYS |
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* @return string|string[] |
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* @internal |
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*/ |
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public static function extractHttpData(array $data, string $htmlName, int $type) |
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{ |
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$name = \explode('[', \str_replace(['[]', ']', '.'], ['', '', '_'], $htmlName)); |
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$data = \Packetery\Nette\Utils\Arrays::get($data, $name, null); |
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$itype = $type & ~Form::DATA_KEYS; |
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if (\substr($htmlName, -2) === '[]') { |
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if (!\is_array($data)) { |
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return []; |
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} |
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foreach ($data as $k => $v) { |
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$data[$k] = $v = static::sanitize($itype, $v); |
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if ($v === null) { |
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unset($data[$k]); |
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} |
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} |
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if ($type & Form::DATA_KEYS) { |
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return $data; |
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} |
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return \array_values($data); |
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} else { |
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return static::sanitize($itype, $data); |
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} |
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} |
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private static function sanitize(int $type, $value) |
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{ |
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if ($type === Form::DATA_TEXT) { |
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return \is_scalar($value) ? Strings::normalizeNewLines($value) : null; |
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} elseif ($type === Form::DATA_LINE) { |
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return \is_scalar($value) ? Strings::trim(\strtr((string) $value, "\r\n", ' ')) : null; |
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} elseif ($type === Form::DATA_FILE) { |
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return $value instanceof \Packetery\Nette\Http\FileUpload ? $value : null; |
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} else { |
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throw new \Packetery\Nette\InvalidArgumentException('Unknown data type'); |
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} |
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} |
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/** |
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* Converts control name to HTML name. |
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*/ |
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public static function generateHtmlName(string $id) : string |
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{ |
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$name = \str_replace(\Packetery\Nette\ComponentModel\IComponent::NAME_SEPARATOR, '][', $id, $count); |
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if ($count) { |
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$name = \substr_replace($name, '', \strpos($name, ']'), 1) . ']'; |
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} |
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if (\is_numeric($name) || \in_array($name, self::UNSAFE_NAMES, \true)) { |
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$name = '_' . $name; |
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} |
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return $name; |
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} |
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public static function exportRules(Rules $rules) : array |
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{ |
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$payload = []; |
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foreach ($rules as $rule) { |
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if (!$rule->canExport()) { |
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if ($rule->branch) { |
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continue; |
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} |
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break; |
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} |
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$op = $rule->validator; |
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if (!\is_string($op)) { |
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$op = \Packetery\Nette\Utils\Callback::toString($op); |
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} |
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if ($rule->branch) { |
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$item = ['op' => ($rule->isNegative ? '~' : '') . $op, 'rules' => static::exportRules($rule->branch), 'control' => $rule->control->getHtmlName()]; |
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if ($rule->branch->getToggles()) { |
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$item['toggle'] = $rule->branch->getToggles(); |
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} elseif (!$item['rules']) { |
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continue; |
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} |
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} else { |
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$msg = Validator::formatMessage($rule, \false); |
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if ($msg instanceof \Packetery\Nette\HtmlStringable) { |
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$msg = \html_entity_decode(\strip_tags((string) $msg), \ENT_QUOTES | \ENT_HTML5, 'UTF-8'); |
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} |
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$item = ['op' => ($rule->isNegative ? '~' : '') . $op, 'msg' => $msg]; |
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} |
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if (\is_array($rule->arg)) { |
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$item['arg'] = []; |
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foreach ($rule->arg as $key => $value) { |
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$item['arg'][$key] = $value instanceof Control ? ['control' => $value->getHtmlName()] : $value; |
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} |
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} elseif ($rule->arg !== null) { |
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$item['arg'] = $rule->arg instanceof Control ? ['control' => $rule->arg->getHtmlName()] : $rule->arg; |
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} |
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$payload[] = $item; |
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} |
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return $payload; |
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} |
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public static function createInputList(array $items, array $inputAttrs = null, array $labelAttrs = null, $wrapper = null) : string |
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{ |
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[$inputAttrs, $inputTag] = self::prepareAttrs($inputAttrs, 'input'); |
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[$labelAttrs, $labelTag] = self::prepareAttrs($labelAttrs, 'label'); |
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$res = ''; |
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$input = Html::el(); |
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$label = Html::el(); |
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[$wrapper, $wrapperEnd] = $wrapper instanceof Html ? [$wrapper->startTag(), $wrapper->endTag()] : [(string) $wrapper, '']; |
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foreach ($items as $value => $caption) { |
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foreach ($inputAttrs as $k => $v) { |
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$input->attrs[$k] = $v[$value] ?? null; |
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} |
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foreach ($labelAttrs as $k => $v) { |
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$label->attrs[$k] = $v[$value] ?? null; |
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} |
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$input->value = $value; |
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$res .= ($res === '' && $wrapperEnd === '' ? '' : $wrapper) . $labelTag . $label->attributes() . '>' . $inputTag . $input->attributes() . (Html::$xhtml ? ' />' : '>') . ($caption instanceof \Packetery\Nette\HtmlStringable ? $caption : \htmlspecialchars((string) $caption, \ENT_NOQUOTES, 'UTF-8')) . '</label>' . $wrapperEnd; |
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} |
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return $res; |
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} |
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public static function createSelectBox(array $items, array $optionAttrs = null, $selected = null) : Html |
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{ |
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if ($selected !== null) { |
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$optionAttrs['selected?'] = $selected; |
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} |
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[$optionAttrs, $optionTag] = self::prepareAttrs($optionAttrs, 'option'); |
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$option = Html::el(); |
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$res = $tmp = ''; |
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foreach ($items as $group => $subitems) { |
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if (\is_array($subitems)) { |
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$res .= Html::el('optgroup')->label($group)->startTag(); |
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$tmp = '</optgroup>'; |
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} else { |
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$subitems = [$group => $subitems]; |
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} |
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foreach ($subitems as $value => $caption) { |
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$option->value = $value; |
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foreach ($optionAttrs as $k => $v) { |
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$option->attrs[$k] = $v[$value] ?? null; |
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} |
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if ($caption instanceof Html) { |
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$caption = clone $caption; |
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$res .= $caption->setName('option')->addAttributes($option->attrs); |
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} else { |
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$res .= $optionTag . $option->attributes() . '>' . \htmlspecialchars((string) $caption, \ENT_NOQUOTES, 'UTF-8') . '</option>'; |
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} |
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if ($selected === $value) { |
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unset($optionAttrs['selected'], $option->attrs['selected']); |
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} |
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} |
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$res .= $tmp; |
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$tmp = ''; |
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} |
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return Html::el('select')->setHtml($res); |
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} |
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private static function prepareAttrs(?array $attrs, string $name) : array |
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{ |
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$dynamic = []; |
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foreach ((array) $attrs as $k => $v) { |
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if ($k[-1] === '?' || $k[-1] === ':') { |
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$p = \substr($k, 0, -1); |
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unset($attrs[$k], $attrs[$p]); |
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if ($k[-1] === '?') { |
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$dynamic[$p] = \array_fill_keys((array) $v, \true); |
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} elseif (\is_array($v) && $v) { |
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$dynamic[$p] = $v; |
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} else { |
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$attrs[$p] = $v; |
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} |
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} |
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} |
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return [$dynamic, '<' . $name . Html::el(null, $attrs)->attributes()]; |
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} |
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/** @internal */ |
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public static function iniGetSize(string $name) : int |
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{ |
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$value = \ini_get($name); |
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$units = ['k' => 10, 'm' => 20, 'g' => 30]; |
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return isset($units[$ch = \strtolower(\substr($value, -1))]) ? (int) $value << $units[$ch] : (int) $value; |
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} |
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} |
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