3v4l.org

run code in 300+ PHP versions simultaneously

@ 2015-12-06T11:42:28Z

<?php
$input = "turn off 499,499 through 500,500";

$lights = [[]];

for($i = 0; $i<1000; $i++){
    for($j = 0; $j<1000; $j++){
        $lights[$i][$j] = 0;
    }
}

$inputs = explode("\n",$input);

function action($s){
    $on = preg_match("/turn on/",$s);
    $off = preg_match("/turn off/",$s);
    $toggle = preg_match("/toggle/",$s);
    if($on > 0){
        return 1;
    }
    else if($off>0){
        return 2;
    }
    else if($toggle>0){
        return 3;
    }
}

for($i = 0; $i < count($inputs); $i++){
    $matches = null;
    preg_match_all("/\d{1,3},\d{1,3}/",$inputs[$i], $matches);
    $from = $matches[0][0];
    $to = $matches[0][1];
    $x1 = explode(",",$from)[0];
    $y1 = explode(",",$from)[0];
    $x2 = explode(",",$to)[0];
    $y2 = explode(",",$to)[1];
        for($j = $y1; $j<=$y2; $j++){
            for($k = $x1; $k<=$x2; $k++){
                if(action($inputs[$i])===1){
                    $lights[$j][$k] = 1;
                }
                else if(action($inputs[$i])===2){
                    $lights[$j][$k] = 0;
                }
                else if(action($inputs[$i])===3){
                    if($lights[$j][$k] === 0){
                        $lights[$j][$k] = 1;
                    }
                    else{
                        $lights[$j][$k] = 0;
                    }
                }
            }
        }
}
$count = 0;
for($i = 0; $i<1000; $i++){
    for($j = 0; $j<1000; $j++){
        if($lights[$i][$j] === 1){
            $count++;
        }
    }
}

echo $count;

?>

Output for 7.0.0 - 7.0.33, 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 - 8.1.1, 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 0
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 0
Output for 8.1.2 - 8.1.27: Fatal error: Out of memory (allocated 31457280) (tried to allocate 36864 bytes) in /in/6YAQf on line 8 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/6YAQf on line 8
Process exited with code 255.

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