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@ 2023-10-25T00:02:03Z

<?php

$str = "19018216307,Public,\,k]'=system1-system2,20230914143505.5,1-050000,No";

$pattern = <<<'REGEX'
~(?nxx)
    (?# modifiers:
        - inline n: parenthesis act as non-capturing groups
        - inline xx: spaces are ignored even in character classes
        - global A: all the matches have to be contiguous
    )

    # pattern
    ( (?!\A) , \K | \A ) # not at the start with a commas or at the start without
    [^ , \\ ]* ( \\ . [^ , \\ ]* )* # field content (all that isn't a comma nor
                                    # a backslash, or an escaped character) 

    # check
    ( \z (*:END) )? # define a marker if the end of the string is reached
~A
REGEX;

if (preg_match_all($pattern, $str, $m) && isset($m['MARK'])) {
    $result = array_map(fn($s) => strtr($s, ['\\\\' => '\\', '\\' => '']), $m[0]);
    print_r($result);
}

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => 19018216307 [1] => Public [2] => ,k]'=system1-system2 [3] => 20230914143505.5 [4] => 1-050000 [5] => No )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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