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@ 2016-01-13T16:07:05Z

<?php


function makeSymbolicNotation(string $symbolicModes)
    {
        switch (true) {
            case (ctype_xdigit($symbolicModes)):
                $symbolicModes = hexdec($symbolicModes);
            case (is_numeric($symbolicModes)):
                if (! decoct(octdec($symbolicModes)) == $symbolicModes) {
                    $symbolicModes = decoct((integer) $symbolicModes);
                }
return 'numeric';
                //return getSymbolicNotationFromOctal($symbolicModes);
            default:
                $triads = explode(',', $symbolicModes);
                foreach ($triads as $triad) {
                    if (! preg_match('/^([ugo]*)([\+=-])([rwxst]+|[\-])$/i', $triad, $matches)) {
                        trigger_error("Invalid symbol format ($symbolicModes).");
                        return "------";
                    }
                    var_dump($matches);
                }
        }
    }

$notation = makeSymbolicNotation('+r');

Output for git.master, git.master_jit, rfc.property-hooks: array(4) { [0]=> string(2) "+r" [1]=> string(0) "" [2]=> string(1) "+" [3]=> string(1) "r" }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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