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@ 2016-01-15T12:34:32Z

<?php
function getArrayFromHyphenArray($flatArray){
        $deepArray = array();
        foreach($flatArray as $key => $value){
            $keysArray = explode('-', $key);
            $deepArray = recursiveSet($deepArray, $keysArray, $value);
        }
    }
    function recursiveSet(&$array, &$arg, $value){
        static $count = 0;
        
        if(empty($arg)){
            $array = $value;
            return $array;
        }
        $key = array_shift($arg);
        if(!isset($array[$key])){
            print_r($key);
            $count++;
            echo $count;
            $array[$key] = array();
        }
        return recursiveSet($array[$key],$arg,$value);
    }
    $flatArray = array('this-is-something' => 'value1', 'bif-is-else' => 'value3', 'this-different-else' => 'value2');
    
    print_r(getArrayFromHyphenArray($flatArray));

Output for git.master, git.master_jit, rfc.property-hooks: this1is2something3bif4 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/v2iiH:21 Stack trace: #0 /in/v2iiH(6): recursiveSet('value1', Array, 'value3') #1 /in/v2iiH(27): getArrayFromHyphenArray(Array) #2 {main} thrown in /in/v2iiH on line 21
Process exited with code 255.

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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