3v4l.org

run code in 300+ PHP versions simultaneously
<?php function debug($arr){ echo '<pre>' ; print_r($arr); echo '</pre>'; } for($i=0; $i<5; $i++) { $arr[$i] = rand(0,10); } // $arr = Array // ( // 0 => 7, // 1 => 2, // 2 => 9, // 3 => 9, // 4 => 0, // ); // print_r($arr) . PHP_EOL; // debug($arr) . PHP_EOL; $size_arr = sizeof($arr); // debug($size_arr) . PHP_EOL; $diff = array_sum($arr); for ($i=0; $i < $size_arr; $i++) { $a = $arr[$i]; //echo 'echo $i - ' . $i . PHP_EOL; //$index = [$diff => [$i,$j]]; for( $j=$i+1; $j < $size_arr; $j++) { $b = $arr[$j]; $newdiff = abs($a-$b); // echo $a . ' - ' . $b . ' = ' . $newdiff . '<br>'; //echo '------- $diff ----- ' . $diff . PHP_EOL; //echo '------- $newdiff --- ' . $newdiff . PHP_EOL; if ($newdiff < $diff) { $index = [$newdiff => [$i,$j]]; $diff = $newdiff; } elseif ($newdiff == $diff) { $newvalues = [$newdiff => [$i, $j]]; array_push($index, $newvalues); } } } debug($index);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.1.90.0000.00717.42
8.1.80.0100.00717.45
8.1.70.0160.00017.44
8.1.60.0050.01417.48
8.1.50.0080.01117.41
8.1.40.0180.00017.50
8.1.30.0190.00017.66
8.1.20.0110.00617.61
8.1.10.0150.00417.59
8.1.00.0090.00917.49
8.0.220.0080.00616.82
8.0.210.0080.00816.91
8.0.200.0120.00316.80
8.0.190.0110.00416.94
8.0.180.0050.01016.86
8.0.170.0050.00916.88
8.0.160.0090.00516.84
8.0.150.0090.00616.74
8.0.140.0100.00516.80
8.0.130.0080.00816.72
8.0.120.0150.00016.84
8.0.110.0100.00316.85
8.0.100.0140.00016.80
8.0.90.0110.00316.87
8.0.80.0110.00416.83
8.0.70.0110.00416.73
8.0.60.0130.00216.78
8.0.50.0100.00516.94
8.0.30.0150.00016.85
8.0.20.0100.00616.76
8.0.10.0080.00816.96
7.4.300.0170.00016.55
7.4.290.0080.00916.50
7.4.280.0060.00916.59
7.4.270.0080.00816.49
7.4.260.0090.00516.49
7.4.250.0130.00316.47
7.4.240.0080.00416.54
7.4.230.0090.00716.63
7.4.220.0090.00716.56
7.4.210.0090.00616.38
7.4.200.0130.00016.52
7.4.190.0100.00516.43
7.4.180.0110.00316.53
7.4.160.0120.00216.57
7.4.150.0120.00416.49
7.4.140.0090.00316.55
7.4.130.0110.00416.50
7.4.120.0130.00316.53
7.4.110.0120.00216.45
7.4.100.0090.00616.57
7.4.90.0070.00716.26
7.4.80.0090.00516.53
7.4.70.0110.00316.46
7.4.60.0090.00616.48
7.4.50.0100.00316.29
7.4.40.0050.00916.34
7.4.30.0040.00716.47
7.4.20.0100.00316.32
7.4.10.0140.00016.41
7.4.00.0120.00216.50

preferences:
31.34 ms | 401 KiB | 5 Q