3v4l.org

run code in 300+ PHP versions simultaneously
<?php function debug($arr){ echo '<pre>' ; print_r($arr); echo '</pre>'; } for($i=0; $i<10; $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)
8.1.90.0070.00417.34
8.1.80.0060.00317.47
8.1.70.0040.00717.40
8.1.60.0030.00917.46
8.1.50.0080.00417.56
8.1.40.0110.00017.40
8.1.30.0030.00717.61
8.1.20.0030.00717.54
8.1.10.0030.00817.55
8.1.00.0070.00317.55
8.0.220.0060.00416.87
8.0.210.0070.00416.82
8.0.200.0030.00616.92
8.0.190.0070.00316.93
8.0.180.0040.00416.89
8.0.170.0030.00616.88
8.0.160.0100.00016.92
8.0.150.0040.00416.82
8.0.140.0080.00016.86
8.0.130.0100.00016.81
8.0.120.0030.00716.88
8.0.110.0030.00616.77
8.0.100.0070.00416.88
8.0.90.0060.00316.80
8.0.80.0060.00316.85
8.0.70.0110.00016.78
8.0.60.0030.00616.88
8.0.50.0040.00416.96
8.0.30.0030.00716.54
8.0.20.0050.00516.78
8.0.10.0090.00116.84
7.4.300.0070.00316.38
7.4.290.0050.00516.20
7.4.280.0050.00316.61
7.4.270.0000.00916.32
7.4.260.0040.00416.27
7.4.250.0090.00516.01
7.4.240.0070.00316.26
7.4.230.0080.00415.96
7.4.220.0030.00816.39
7.4.210.0040.00416.32
7.4.200.0040.00516.54
7.4.190.0000.01016.47
7.4.180.0050.00516.44
7.4.160.0060.00316.63
7.4.150.0060.00316.38
7.4.140.0100.00316.01
7.4.130.0080.00415.98
7.4.120.0120.00016.24
7.4.110.0060.00716.32
7.4.100.0110.00016.50
7.4.90.0070.00516.08
7.4.80.0090.00416.16
7.4.70.0170.00016.07
7.4.60.0110.00016.18
7.4.50.0100.00516.14
7.4.40.0080.00415.98
7.4.30.0070.00316.36
7.4.20.0080.00315.86
7.4.10.0030.00915.93
7.4.00.0090.00316.35

preferences:
35.66 ms | 400 KiB | 5 Q