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<?php |
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declare(strict_types=1); |
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namespace Doctrine\ORM\Query; |
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/** |
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* Scans a DQL query for tokens. |
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*/ |
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class Lexer extends \Doctrine\Common\Lexer |
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{ |
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// All tokens that are not valid identifiers must be < 100 |
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public const T_NONE = 1; |
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public const T_INTEGER = 2; |
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public const T_STRING = 3; |
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public const T_INPUT_PARAMETER = 4; |
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public const T_FLOAT = 5; |
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public const T_CLOSE_PARENTHESIS = 6; |
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public const T_OPEN_PARENTHESIS = 7; |
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public const T_COMMA = 8; |
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public const T_DIVIDE = 9; |
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public const T_DOT = 10; |
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public const T_EQUALS = 11; |
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public const T_GREATER_THAN = 12; |
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public const T_LOWER_THAN = 13; |
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public const T_MINUS = 14; |
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public const T_MULTIPLY = 15; |
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public const T_NEGATE = 16; |
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public const T_PLUS = 17; |
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public const T_OPEN_CURLY_BRACE = 18; |
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public const T_CLOSE_CURLY_BRACE = 19; |
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// All tokens that are identifiers or keywords that could be considered as identifiers should be >= 100 |
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public const T_ALIASED_NAME = 100; |
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public const T_FULLY_QUALIFIED_NAME = 101; |
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public const T_IDENTIFIER = 102; |
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// All keyword tokens should be >= 200 |
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public const T_ALL = 200; |
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public const T_AND = 201; |
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public const T_ANY = 202; |
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public const T_AS = 203; |
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public const T_ASC = 204; |
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public const T_AVG = 205; |
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public const T_BETWEEN = 206; |
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public const T_BOTH = 207; |
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public const T_BY = 208; |
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public const T_CASE = 209; |
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public const T_COALESCE = 210; |
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public const T_COUNT = 211; |
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public const T_DELETE = 212; |
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public const T_DESC = 213; |
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public const T_DISTINCT = 214; |
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public const T_ELSE = 215; |
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public const T_EMPTY = 216; |
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public const T_END = 217; |
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public const T_ESCAPE = 218; |
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public const T_EXISTS = 219; |
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public const T_FALSE = 220; |
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public const T_FROM = 221; |
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public const T_GROUP = 222; |
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public const T_HAVING = 223; |
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public const T_HIDDEN = 224; |
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public const T_IN = 225; |
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public const T_INDEX = 226; |
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public const T_INNER = 227; |
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public const T_INSTANCE = 228; |
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public const T_IS = 229; |
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public const T_JOIN = 230; |
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public const T_LEADING = 231; |
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public const T_LEFT = 232; |
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public const T_LIKE = 233; |
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public const T_MAX = 234; |
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public const T_MEMBER = 235; |
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public const T_MIN = 236; |
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public const T_NEW = 237; |
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public const T_NOT = 238; |
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public const T_NULL = 239; |
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public const T_NULLIF = 240; |
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public const T_OF = 241; |
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public const T_OR = 242; |
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public const T_ORDER = 243; |
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public const T_OUTER = 244; |
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public const T_PARTIAL = 245; |
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public const T_SELECT = 246; |
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public const T_SET = 247; |
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public const T_SOME = 248; |
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public const T_SUM = 249; |
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public const T_THEN = 250; |
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public const T_TRAILING = 251; |
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public const T_TRUE = 252; |
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public const T_UPDATE = 253; |
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public const T_WHEN = 254; |
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public const T_WHERE = 255; |
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public const T_WITH = 256; |
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/** |
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* Creates a new query scanner object. |
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* |
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* @param string $input A query string. |
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*/ |
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public function __construct($input) |
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{ |
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$this->setInput($input); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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1 |
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protected function getCatchablePatterns() |
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{ |
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return [ |
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'[a-z_][a-z0-9_]*\:[a-z_][a-z0-9_]*(?:\\\[a-z_][a-z0-9_]*)*', // aliased name |
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'[a-z_\\\][a-z0-9_]*(?:\\\[a-z_][a-z0-9_]*)*', // identifier or qualified name |
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'(?:[0-9]+(?:[\.][0-9]+)*)(?:e[+-]?[0-9]+)?', // numbers |
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"'(?:[^']|'')*'", // quoted strings |
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'\?[0-9]*|:[a-z_][a-z0-9_]*', // parameters |
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]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getNonCatchablePatterns() |
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{ |
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return ['\s+', '(.)']; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getType(&$value) |
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{ |
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$type = self::T_NONE; |
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switch (true) { |
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// Recognize numeric values |
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case (is_numeric($value)): |
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if (strpos($value, '.') !== false || stripos($value, 'e') !== false) { |
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return self::T_FLOAT; |
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} |
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return self::T_INTEGER; |
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// Recognize quoted strings |
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case ($value[0] === "'"): |
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$value = str_replace("''", "'", substr($value, 1, strlen($value) - 2)); |
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return self::T_STRING; |
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// Recognize identifiers, aliased or qualified names |
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case (ctype_alpha($value[0]) || $value[0] === '_' || $value[0] === '\\'): |
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$name = 'Doctrine\ORM\Query\Lexer::T_' . strtoupper($value); |
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if (defined($name)) { |
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$type = constant($name); |
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if ($type > 100) { |
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return $type; |
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} |
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} |
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if (strpos($value, ':') !== false) { |
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return self::T_ALIASED_NAME; |
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} |
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if (strpos($value, '\\') !== false) { |
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return self::T_FULLY_QUALIFIED_NAME; |
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} |
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return self::T_IDENTIFIER; |
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// Recognize input parameters |
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case ($value[0] === '?' || $value[0] === ':'): |
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return self::T_INPUT_PARAMETER; |
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// Recognize symbols |
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case ($value === '.'): |
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return self::T_DOT; |
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case ($value === ','): |
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return self::T_COMMA; |
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case ($value === '('): |
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return self::T_OPEN_PARENTHESIS; |
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case ($value === ')'): |
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return self::T_CLOSE_PARENTHESIS; |
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case ($value === '='): |
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return self::T_EQUALS; |
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case ($value === '>'): |
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return self::T_GREATER_THAN; |
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case ($value === '<'): |
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return self::T_LOWER_THAN; |
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case ($value === '+'): |
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return self::T_PLUS; |
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case ($value === '-'): |
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return self::T_MINUS; |
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case ($value === '*'): |
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return self::T_MULTIPLY; |
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case ($value === '/'): |
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return self::T_DIVIDE; |
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case ($value === '!'): |
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return self::T_NEGATE; |
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case ($value === '{'): |
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return self::T_OPEN_CURLY_BRACE; |
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case ($value === '}'): |
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return self::T_CLOSE_CURLY_BRACE; |
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// Default |
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default: |
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// Do nothing |
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} |
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return $type; |
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} |
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} |
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doctrine /
orm
