Online PHP editor | rfc for bXp1U

@ 2019-01-22T09:09:15Z

<?php
function intvaljunk($string) {
    $boolSignedNegative = false;
    $intIntStart = null;
    $intIntEnd = null;
    foreach (str_split($string) as $index => $char) {
        if (is_numeric($char)) {
            $boolSignedNegative = (
                $boolSignedNegative === false
                && $index > 0
                && is_null($intIntStart)
                && $string[$index - 1] === '-'
                    ? true
                    : $boolSignedNegative
            );
            $intIntStart = is_null($intIntStart) ? $index : $intIntStart;
            $intIntEnd = is_null($intIntStart) ? $intIntEnd : $index;
        } else if (!is_null($intIntStart) && !is_null($intIntStart)) {
            break;
        }
    }

    return (
        !is_null($intIntStart) && !is_null($intIntStart)
        ? intval(($boolSignedNegative ? '-' : '') . substr($string, $intIntStart, ($intIntEnd - $intIntStart) + 1))
        : null
    );
}

$signed_number_strings = ["--1", "---33", "+-444"];

foreach ($signed_number_strings as $string) {
    var_dump(intvaljunk($string));
}

Output for rfc.property-hooks, git.master, git.master_jit: int(-1) int(-33) int(-444)

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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