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<?php |
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trait TraitConfig |
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{ |
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/** @param array Re-settable values for current table call */ |
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protected static $config = [ |
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'APP' => 'App', |
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'DB_COLLATION_CI' => 'utf8mb4_general_ci', //UTF8_GENERAL_CI |
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'EMPTY_TABLE_MSG' => 'No results found.', |
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'EXPORT_FILE_NAME' => ':app - :items export (:datetime)', |
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'FILTER_ACTIVE' => true, |
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'FILTER_CASE_SENSITIVE' => false, |
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'SAVES' => ['CSV', 'Excel'], |
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'UTF8_ASC_SYMBOL' => '▲', |
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'UTF8_DESC_SYMBOL' => '▼', |
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'UTF8_LEFT_SYMBOL' => '‹', |
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'UTF8_RIGHT_SYMBOL' => '›', |
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]; |
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/** @param array Errors collector */ |
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protected static $errors = []; |
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/** |
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* Set/Get config value. |
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* |
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* @param mixed $value (string) Get if exists, (array) Set if valid |
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* |
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* @return mixed |
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*/ |
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public static function config($value) |
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{ |
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try { |
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switch (gettype($value)) { |
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case 'array': |
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foreach ($value as $k => $v) { |
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self::$config[$k] = self::valid((string) $k, $v); |
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} |
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break; |
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case 'string': |
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return self::valid($value); |
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default: |
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throw new Exception('Invalid value type.'); |
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} |
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} catch (Exception $e) { |
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self::error('ERROR: '.$e->getMessage()); |
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} |
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} |
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protected static function error($message = null) |
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{ |
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if (isset($message)) { |
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self::$errors[] = $message; |
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} else { |
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return empty(self::$errors) ? null : |
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'<p class="tbl-err">'.implode('</br>', self::$errors).'</p>'; |
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} |
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} |
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private static function valid($key, $val = null) |
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{ |
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if (!array_key_exists($key, self::$config)) { |
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throw new Exception('Request to undefined value: '.$key); |
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} |
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if ($val !== null) { |
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if (empty($val) || gettype($val) !== gettype(self::$config[$key])) { |
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throw new Exception("Setting invalid value: $val (:$key)"); |
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} |
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} |
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return $val === null ? self::$config[$key] : $val; |
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} |
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} |
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