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<?php |
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declare(strict_types=1); |
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namespace Sirius\Validation\Util; |
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class RuleHelper |
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{ |
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/** |
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* Method that parses the option variable and converts it into an array |
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* You can pass anything to a validator like: |
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* - a query string: 'min=3&max=5' |
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* - a JSON string: '{"min":3,"max":5}' |
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* - a CSV string: '5,true' (for this scenario the 'optionsIndexMap' property is required) |
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* |
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* @param mixed $options |
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* |
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* @return array |
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* @throws \InvalidArgumentException |
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*/ |
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public static function normalizeOptions($options, array $optionsIndexMap = []) |
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{ |
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if ('0' === $options && count($optionsIndexMap) > 0) { |
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$options = [$optionsIndexMap[0] => '0']; |
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} |
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if (! $options) { |
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return []; |
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} |
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if (is_array($options) && static::arrayIsAssoc($options)) { |
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return $options; |
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} |
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$result = $options; |
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if ($options && is_string($options)) { |
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$startChar = substr($options, 0, 1); |
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if ($startChar == '{') { |
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$result = json_decode($options, true); |
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} elseif (strpos($options, '=') !== false) { |
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$result = static::parseHttpQueryString($options); |
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} else { |
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$result = static::parseCsvString($options, $optionsIndexMap); |
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} |
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} |
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if (! is_array($result)) { |
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throw new \InvalidArgumentException('Validator options should be an array, JSON string or query string'); |
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} |
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return $result; |
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} |
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/** |
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* Converts a HTTP query string to an array |
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* |
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* @param $str |
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* |
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* @return array |
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*/ |
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public static function parseHttpQueryString(string $str) |
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{ |
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parse_str($str, $arr); |
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return static::convertBooleanStrings($arr); |
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} |
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/** |
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* Converts 'true' and 'false' strings to TRUE and FALSE |
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* |
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* @param $arr |
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* |
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* @return bool|array |
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*/ |
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public static function convertBooleanStrings($arr) |
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{ |
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if (is_array($arr)) { |
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return array_map([ __CLASS__, 'convertBooleanStrings'], $arr); |
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} |
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if ($arr === 'true') { |
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return true; |
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} |
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if ($arr === 'false') { |
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return false; |
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} |
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return $arr; |
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} |
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/** |
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* Parses a CSV string and converts the result into an "options" array |
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* (an associative array that contains the options for the validation rule) |
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* |
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* @param $str |
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* |
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* @param array $optionsIndexMap |
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* |
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* @return array |
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*/ |
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public static function parseCsvString($str, array $optionsIndexMap = []) |
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{ |
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if (! isset($optionsIndexMap) || ! is_array($optionsIndexMap) || empty($optionsIndexMap)) { |
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throw new \InvalidArgumentException( |
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'`$optionsIndexMap` argument must be provided for CSV-type parameters' |
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); |
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} |
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$options = explode(',', $str); |
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$result = []; |
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foreach ($options as $k => $v) { |
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if (! isset($optionsIndexMap[$k])) { |
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throw new \InvalidArgumentException(sprintf( |
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'`$optionsIndexMap` for the validator is missing the %s index', |
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$k |
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)); |
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} |
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$result[$optionsIndexMap[$k]] = $v; |
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} |
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return static::convertBooleanStrings($result); |
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} |
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/** |
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* Checks if an array is associative (ie: the keys are not numbers in sequence) |
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* |
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* @param array $arr |
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* |
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* @return bool |
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*/ |
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public static function arrayIsAssoc($arr) |
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{ |
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return array_keys($arr) !== range(0, count($arr)); |
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} |
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public static function normalizeFileSize($size) |
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{ |
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$size = (string) $size; |
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$units = ['B' => 0, 'K' => 1, 'M' => 2, 'G' => 3 ]; |
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$unit = strtoupper(substr($size, strlen($size) - 1, 1)); |
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if (! isset($units[$unit])) { |
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$normalizedSize = filter_var($size, FILTER_SANITIZE_NUMBER_INT); |
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} else { |
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$size = filter_var(substr($size, 0, strlen($size) - 1), FILTER_SANITIZE_NUMBER_FLOAT); |
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$normalizedSize = $size * pow(1024, $units[$unit]); |
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} |
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return $normalizedSize; |
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} |
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public static function normalizeImageRatio($ratio) |
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{ |
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if (is_numeric($ratio) || $ratio == filter_var($ratio, FILTER_SANITIZE_NUMBER_FLOAT)) { |
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return floatval($ratio); |
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} |
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if (strpos($ratio, ':') !== false) { |
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list($width, $height) = explode(':', $ratio); |
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return $width / $height; |
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} |
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return 0; |
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} |
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} |
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siriusphp /
validation
