Online PHP editor | rfc for kTiGZ

@ 2014-04-16T15:10:18Z

<?php
function stringToArrayOfIntegers($string, $uniqueAndSorted = true, $min = null, $max = null) {
    $array = array();
    if(is_int($string) || is_numeric($string)) {
        $i = @intval($string);
        if(is_null($min) || ($i >= $min)) {
            if(is_null($max) || ($i <= $max)) {
                $array[] = $i;
            }
        }
    }
    elseif(is_string($string) && strlen($string) && preg_match('/^\\s*([-+]?\\d+)([\\s,;]+([-+]?\\d+))*\\s*$/', $string)) {
        foreach(split(' ', trim(preg_replace('/[^\\-\\d ]+/', ' ', $string))) as $n) {
            if(is_numeric($n)) {
                $i = @intval($string);
                if(is_null($min) || ($i >= $min)) {
                    if(is_null($max) || ($i <= $max)) {
                        $array[] = $i;
                    }
                }
            }
        }
    }
    if($uniqueAndSorted) {
        if(version_compare(PHP_VERSION, '5.2.9') >= 0) {
            $array = array_unique($array, SORT_NUMERIC);
        }
        else {
            $array = array_unique($array);
        }
        sort($array, SORT_NUMERIC);
    }
    return array();
}
var_dump(stringToArrayOfIntegers('1'));

Output for git.master, git.master_jit, rfc.property-hooks: array(0) { }

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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