Online PHP editor | rfc for 89pXm

@ 2015-12-05T19:51:01Z

<?php
class TestClass {
    
}
$abc = "testABC";
$xyz = new TestClass();
$test = true;
$x = function () use ($test, $xyz, $abc) {
	echo $abc;
	var_dump($test, $xyz);
};

echo packAnonFunction($x, $test, $xyz, $abc);
function packAnonFunction($payload, ...$args) {
    $func = new ReflectionFunction($payload);
    $filename = $func->getFileName();
    $start_line = $func->getStartLine() - 1;
    $end_line = $func->getEndLine();
    $length = $end_line - $start_line;
    
    $source = file($filename);
    $body = implode("", array_slice($source, $start_line, $length));
    $body = preg_replace('/(\$[a-z]+)\ \=\ function/', '\\$payload = function', $body);
    if(preg_match('/use\s\((\$[a-zA-Z0-9]+(?:,\s\$[a-zA-Z0-9]+)*)\)/', $body, $matches)) {
        $vars = $matches[1];
        if(strpos($vars, ', ') !== false) {
            $parts = explode(', ', $vars);
        } else {
            $parts = [$vars];
        }
        $return = [];
        foreach($parts as $key => $variable) {
            $return[$variable] = $args[$key];
        }
        $variableString = "";
        foreach($return as $var => $value) {
            $value = serialize($value);
            $variableString .= "\t{$var} = unserialize('{$value}');\n";
        }
        
        $body = str_replace(" use (" . $vars . ")", "", $body);
        $body = str_replace("{\n", "{\n" . $variableString, $body);
    }
    return $body;
}

Output for git.master, git.master_jit, rfc.property-hooks: $payload = function () { $test = unserialize('b:1;'); $xyz = unserialize('O:9:"TestClass":0:{}'); $abc = unserialize('s:7:"testABC";'); echo $abc; var_dump($test, $xyz); };

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2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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