TokenStream
class TokenStream
Represents a token stream.
Properties
| $current |
Methods
| __construct(array $tokens, string $expression = '') | ||
| string | __toString() Returns a string representation of the token stream. | |
| next() Sets the pointer to the next token and returns the old one. | ||
| expect(array|int $type, string|null $value = null, string|null $message = null) Tests a token. | ||
| bool | isEOF() Checks if end of stream was reached. | |
| string | getExpression() |
Details
__construct(array $tokens, string $expression = '')
Parameters
| array | $tokens | An array of tokens |
| string | $expression |
string __toString()
Returns a string representation of the token stream.
Return Value
| string |
next()
Sets the pointer to the next token and returns the old one.
expect(array|int $type, string|null $value = null, string|null $message = null)
Tests a token.
Parameters
| array|int | $type | The type to test |
| string|null | $value | The token value |
| string|null | $message | The syntax error message |
bool isEOF()
Checks if end of stream was reached.
Return Value
| bool |
string getExpression()
Return Value
| string |
© 2004–2017 Fabien Potencier
Licensed under the MIT License.
http://api.symfony.com/3.3/Symfony/Component/ExpressionLanguage/TokenStream.html