


How to use Composer to simplify PHP source code analysis: the application of theseer/tokenizer library
Apr 18, 2025 am 06:00 AMYou can learn composer through the following address:
Recently, I encountered a tricky problem when developing a PHP source code analysis tool: how to convert PHP source code into a more easy to process and analyze format. I've tried a variety of methods, including manual parsing and using other libraries, but these methods are either too complex or inefficient and none of them work.
After some research, I discovered the theseer/tokenizer library, which is specifically used to convert PHP source code to XML format. This library is very simple to use and can be easily integrated into the project through Composer.
Installing theseer/tokenizer is very simple, just run the following command in the root directory of the project:
<code>composer require theseer/tokenizer</code>
If you only use this library during development, such as running a project test suite, you can use the following command to make it a development-time dependency:
<code>composer require --dev theseer/tokenizer</code>
Next, let's see how to use this library. Suppose you have a PHP file src/XMLSerializer.php
, you can convert it to XML using the following code:
<code class="php">$tokenizer = new TheSeer\Tokenizer\Tokenizer(); $tokens = $tokenizer->parse(file_get_contents(__DIR__ . '/src/XMLSerializer.php')); $serializer = new TheSeer\Tokenizer\XMLSerializer(); $xml = $serializer->toXML($tokens); echo $xml;</code>
The generated XML structure is roughly as follows:
<code class="xml"><?xml version="1.0"?><source xmlns="https://github.com/theseer/tokenizer"><line no="1"><token name="T_OPEN_TAG"> <?php </token><token name="T_DECLARE"> declare</token><token name="T_OPEN_BRACKET"> (</token><token name="T_STRING"> strict_types</token><token name="T_WHITESPACE"></token><token name="T_EQUAL"> =</token><token name="T_WHITESPACE"></token><token name="T_LNUMBER"> 1</token><token name="T_CLOSE_BRACKET"> )</token><token name="T_SEMICOLON"> ;</token></token></line></source></code>
By using theseer/tokenizer library, I was able to easily convert PHP source code to XML format, which greatly simplified subsequent source code analysis. This library is not only simple to install and use, but also has excellent performance and can effectively handle large PHP files.
In general, theseer/tokenizer library provides an efficient and easy-to-use way to deal with PHP source code analysis problems through Composer integration. It not only solves my actual needs, but also provides powerful tool support for future development efforts.
The above is the detailed content of How to use Composer to simplify PHP source code analysis: the application of theseer/tokenizer library. For more information, please follow other related articles on the PHP Chinese website!

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