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Warning
This is not a GENERATOR like classical lex is. It does not produce any php code. It's a simple plain scanner
of the given input string and tokenizer into given set of tokens by matching regular expressions.
Thus, at runtime you can change the token definition and use one same code for any token set.
Usage
Token definition
Define the tokens in the yaml file. Key is regex pattern for the token, and value is token name. All patterns with
empty name will be ignored and will not result in a token, but will keep the scan running and not brake it. On the
other hand, if scanner encounters a non-recognizable chunk it will raise an exception.
Note:
Regex pattern MUST NOT include delimiters, nor start and end of string meta-chars (^ and $).
They are prepeded with those during the scan.
If invalid pattern supplied it will trigger InvalidArgumentException during the configuration load
Scanning with a callback
Construct the lexer with such tokens config
And now you are ready to tokenize the input string
Which will print the result on output
Scan and return array of tokens
Optionally you could get all tokens collected into an array and returned together, without supplying a callback
for individual tokens
Unknown token exception
If at any position content of input string does not match with any regex pattern from the config
the UnknownTokenException will be thrown containing the offset of its position
Composer command for our command line client (download client)This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free.Standard composer command
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