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<?php |
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namespace League\JsonGuard; |
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/** |
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* @param string $json |
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* @param bool $assoc |
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* @param int $depth |
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* @param int $options |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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function json_decode($json, $assoc = false, $depth = 512, $options = 0) |
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{ |
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$data = \json_decode($json, $assoc, $depth, $options); |
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if (json_last_error() !== JSON_ERROR_NONE) { |
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throw new \InvalidArgumentException(sprintf('Invalid JSON: %s', json_last_error_msg())); |
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} |
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return $data; |
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} |
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/** |
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* @param $string |
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* @return int |
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*/ |
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function strlen($string) |
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{ |
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if (extension_loaded('intl')) { |
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return grapheme_strlen($string); |
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} |
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if (extension_loaded('mbstring')) { |
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return mb_strlen($string, mb_detect_encoding($string)); |
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} |
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return strlen($string); |
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} |
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/** |
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* Returns the string representation of a value. |
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* |
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* @param mixed $value |
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* @return string |
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*/ |
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function as_string($value) |
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{ |
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if (is_string($value)) { |
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return $value; |
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} |
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if (is_int($value)) { |
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return (string)$value; |
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} |
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if (is_bool($value)) { |
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return $value ? '<TRUE>' : '<FALSE>'; |
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} |
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if (is_object($value)) { |
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return get_class($value); |
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} |
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if (is_array($value)) { |
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return '<ARRAY>'; |
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} |
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if (is_resource($value)) { |
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return '<RESOURCE>'; |
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} |
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if (is_null($value)) { |
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return '<NULL>'; |
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} |
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return '<UNKNOWN>'; |
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} |
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/** |
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* Get the properties matching $pattern from the $data. |
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* |
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* @param string $pattern |
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* @param array|object $data |
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* @return array |
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*/ |
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function properties_matching_pattern($pattern, $data) |
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{ |
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// If an object is supplied, extract an array of the property names. |
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4 |
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if (is_object($data)) { |
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$data = array_keys(get_object_vars($data)); |
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} |
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return preg_grep(delimit_pattern($pattern), $data); |
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} |
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/** |
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* Delimit a regular expression pattern. |
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* |
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* The regular expression syntax used for JSON schema is ECMA 262, from Javascript, |
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* and does not use delimiters. Since the PCRE functions do, this function will |
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* delimit a pattern and escape the delimiter if found in the pattern. |
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* |
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* @see http://json-schema.org/latest/json-schema-validation.html#anchor6 |
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* @see http://php.net/manual/en/regexp.reference.delimiters.php |
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* |
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* @param string $pattern |
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* |
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* @return string |
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*/ |
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function delimit_pattern($pattern) |
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{ |
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return '/' . str_replace('/', '\\/', $pattern) . '/'; |
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} |
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/** |
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* Escape a JSON Pointer. |
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* |
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* @param string $pointer |
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* @return string |
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*/ |
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function escape_pointer($pointer) |
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{ |
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$pointer = str_replace('~', '~0', $pointer); |
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return str_replace('/', '~1', $pointer); |
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} |
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/** |
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* Compare two numbers or numeric strings. |
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* |
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* @param string|int $leftOperand |
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* @param string $operator one of : '>', '>=', '=', '<', '<='. |
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* @param string|int $rightOperand |
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* @return bool |
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*/ |
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function compare($leftOperand, $operator, $rightOperand) |
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{ |
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if (!function_exists('bccomp')) { |
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switch ($operator) { |
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case '>': |
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return $leftOperand > $rightOperand; |
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case '>=': |
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return $leftOperand >= $rightOperand; |
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case '=': |
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return $leftOperand >= $rightOperand; |
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case '<': |
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return $leftOperand < $rightOperand; |
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case '<=': |
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return $leftOperand <= $rightOperand; |
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} |
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} |
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$result = bccomp($leftOperand, $rightOperand, 5); |
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switch ($operator) { |
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case '>': |
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return $result === 1; |
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case '>=': |
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return $result === 0 || $result === 1; |
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case '=': |
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return $result === 0; |
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case '<': |
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return $result === -1; |
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case '<=': |
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return $result === 0 || $result === -1; |
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} |
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} |
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thephpleague /
json-guard
