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@ 2015-05-29T13:49:12Z

<?php

    /**
     * Search into a multi dimensional array to find arbitrary data
     * @param array $array The array to search
     * @param string ... Any number of array keys
     * @return mixed
     */
    function deepArraySearch(array $array, ...$keys) {
        
        // If no more keys to use
        if(!$keys) {
            return $array;
        }

        $nextKey = array_shift($keys);

        // Nothing left to search
        if(!is_array($array[$nextKey])) {
            return $array[$nextKey];
        }
        
        return deepArraySearch($array[$nextKey], ...$keys);
    }

    $arr = ['one' => ['two' => ['three' => 'data']]];

    print_r(deepArraySearch($arr, 'one'));
    print_r(deepArraySearch($arr, 'one', 'two'));
    print_r(deepArraySearch($arr, 'one', 'two', 'three'));

    echo PHP_EOL;

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [two] => Array ( [three] => data ) ) Array ( [three] => data ) data

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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