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Function parser for PHP functions, methods, and closures
The PHP Function Parser library by Jeremy Lindblom., (*1)
, (*2)
The PHP FunctionParser provides the ability to parse and retrieve the code defining an existing function as a string. This can be used in clever ways to generate documentation or example code or even to serialize a closure., (*3)
The class also allows you to get information about the function like the parameter names and the names and values of
variables in the use statement of a closure., (*4)
The FunctionParser relies on the Reflection API and also on the PHP tokenizer (token_get_all()), so PHP must be
compiled with the --enable-tokenizer flag in order for the tokenizer to be available., (*5)
Here is a small example of how it works:, (*6)
use FunctionParser\FunctionParser;
$foo = 2;
$closure = function($bar) use($foo) {
return $foo + $bar;
};
$parser = new FunctionParser(new \ReflectionFunction($closure));
$code = $parser->getCode();
You can also use the fromCallable factory method as a convenient way to generate the reflected function automatically
from any PHP callable:, (*7)
$parser = FunctionParser::fromCallable(function($foo) {echo $foo . 'bar';});
$parser = FunctionParser::fromCallable('Foo::bar');
$parser = FunctionParser::fromCallable(array('Foo', 'bar'));
The FunctionParser relies on the Reflection API and also on the PHP tokenizer (token_get_all()), so PHP must be
compiled with the --enable-tokenizer flag in order for the tokenizer to be available., (*8)
Requirements:, (*9)
To install FunctionParser as a dependency of your project using Composer, please add the following to your
composer.json config file., (*10)
{
"require": {
"jeremeamia/FunctionParser": "*"
}
}
Then run php composer.phar install --install-suggests from your project's root directory to install the FunctionParser., (*11)
There is a buid.xml file that you can use to generate test coverage reports, documenation, and code analytics. The
current file is designed to be used with ant, but I will be migrating this to phing sometime soon. More on this later., (*12)
The test suite and code coveage report are currently setup to run in Travis CI. See FunctionParser on Travis CI, (*13)
Function parser for PHP functions, methods, and closures
MIT
function parser tokenizer closure
Function parser for PHP functions, methods, and closures
MIT
function parser tokenizer closure