Token
class Token (View source)
Defines a token along with a set of types and flags and utility functions.
An array of tokens will result after parsing the query.
A structure representing a lexeme that explicitly indicates its categorization for the purpose of parsing.
Constants
| FLAG_NONE |
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| FLAG_KEYWORD_RESERVED |
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| FLAG_KEYWORD_COMPOSED |
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| FLAG_KEYWORD_DATA_TYPE |
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| FLAG_KEYWORD_KEY |
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| FLAG_KEYWORD_FUNCTION |
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| FLAG_NUMBER_HEX |
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| FLAG_NUMBER_FLOAT |
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| FLAG_NUMBER_APPROXIMATE |
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| FLAG_NUMBER_NEGATIVE |
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| FLAG_NUMBER_BINARY |
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| FLAG_STRING_SINGLE_QUOTES |
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| FLAG_STRING_DOUBLE_QUOTES |
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| FLAG_COMMENT_BASH |
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| FLAG_COMMENT_C |
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| FLAG_COMMENT_SQL |
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| FLAG_COMMENT_MYSQL_CMD |
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| FLAG_OPERATOR_ARITHMETIC |
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| FLAG_OPERATOR_LOGICAL |
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| FLAG_OPERATOR_BITWISE |
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| FLAG_OPERATOR_ASSIGNMENT |
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| FLAG_OPERATOR_SQL |
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| FLAG_SYMBOL_VARIABLE |
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| FLAG_SYMBOL_BACKTICK |
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| FLAG_SYMBOL_USER |
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| FLAG_SYMBOL_SYSTEM |
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| FLAG_SYMBOL_PARAMETER |
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Properties
| string | $token | The token it its raw string representation. |
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| bool|float|int|string | $value | The value this token contains (i.e. token after some evaluation). |
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| string|null | $keyword | The keyword value this token contains, always uppercase. |
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| TokenType | $type | The type of this token. |
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| int | $flags | The flags of this token. |
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| int|null | $position | The position in the initial string where this token started. |
Methods
No description
Does a little processing to the token to extract a value.
Converts the token into an inline token by replacing tabs and new lines.
Details
__construct(string $token, TokenType $type = TokenType::None, int $flags = self::FLAG_NONE)
No description
bool|float|int|string
extract()
Does a little processing to the token to extract a value.
If no processing can be done it will return the initial string.
string
getInlineToken()
Converts the token into an inline token by replacing tabs and new lines.