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run code in 300+ PHP versions simultaneously

@ 2015-03-22T13:27:00Z

<?php

function range_string_to_array($range_string)
{
    $range_string = trim($range_string);
    $return_array = array();
    $return       = array();
    $range_string = str_replace(',', '+', $range_string);
    $range_string = str_replace(' ', '+', $range_string);

    if (is_numeric($range_string)) {
        return array($range_string);
    }

    $split_array = explode('+', $range_string);
    foreach ($split_array as $split1) {
        if ($split1 === '') {
            continue;
        }
        if (strpos($split1, '-') > -1) {
            $split = explode('-', $split1);
            if ($split[0] === '' && $split[1] === '') {
                continue;
            }
            if (floor($split[0]) != $split[0]) {
                $return_array[] = $split[0];
                $return_array[] = floor($split[0]) + 1;
            }
            if (floor($split[1]) != $split[1]) {
                $return_array[] = $split[1];
                $return_array[] = floor($split[1]) + 1;
            }
            foreach (range(floor($split[0]), floor($split[1]), 1) as $split2) {
                $return_array[] = $split2;
            }
        } else {
            $return_array[] = $split1;
        }
    }
    foreach ($return_array as $return_array_val) {
        if (is_numeric($return_array_val)) {
            $return[] = $return_array_val;
        }
    }
    $return = array_unique($return);
    sort($return);

    return $return;
}

print_r(range_string_to_array('155.5-157'));

Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Array ( [0] => 155 [1] => 155.5 [2] => 156 [3] => 157 )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => 155 [1] => 155.5 [2] => 156 [3] => 157 )
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9: Warning: Wrong parameter count for range() in /in/JWoYO on line 33 Warning: Invalid argument supplied for foreach() in /in/JWoYO on line 33 Array ( [0] => 155.5 [1] => 156 )
Output for 4.3.11: Warning: Wrong parameter count for range() in /in/JWoYO on line 33 Array ( [0] => 155.5 [1] => 156 )

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