3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $amount = 1000000; $start = microtime(true); $alreadyOutput = array(); $iterator = $amount; while ($iterator --) { $num = rand(0, $amount); if(in_array($num, $alreadyOutput)){ continue; } $alreadyOutput[] = $num; } echo "in_array: ".(microtime(true) - $start)."ms || "; $start2 = microtime(true); $iterator = $amount; while ($iterator --) { $num = rand(0, $amount); if(isset($alreadyOutput[$num])){ continue; } $alreadyOutput[$num] = true; } echo "by key: ".(microtime(true) - $start2)."ms";

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)
7.1.70.0002.50118.81
7.1.60.0102.49119.46
7.1.50.1702.33118.75
7.1.00.0032.49724.19
7.0.200.1502.29617.86
7.0.140.0102.49023.97
7.0.60.0202.48022.79
7.0.50.0102.49020.70
7.0.40.0102.49021.68
7.0.30.0702.43021.72
7.0.20.0172.48321.61
7.0.10.0102.49021.79
7.0.00.0132.48721.73
5.6.280.0072.49324.09
5.6.210.0072.49323.44
5.6.200.0072.49320.84
5.6.190.0102.47323.22
5.6.180.0302.47022.78
5.6.170.0332.46722.98
5.6.160.0132.48723.01
5.6.150.0132.48720.74
5.6.140.0072.49320.77
5.6.130.0032.49720.76
5.6.120.0072.49323.76
5.6.110.0072.49323.73
5.6.100.0002.50023.70
5.6.90.0032.49723.66
5.6.80.0102.49023.21
5.6.70.3972.10323.01
5.5.350.0032.49723.30
5.5.340.0072.49320.51
5.5.330.0102.49022.92
5.5.320.0302.47022.83
5.5.310.0402.46022.63
5.5.300.0032.49720.45
5.5.290.5071.99020.50
5.5.280.0032.49723.40
5.5.270.0032.49723.61
5.5.260.0132.48723.51
5.5.250.0002.50023.21
5.5.240.0132.48722.99
5.4.450.0472.45022.13
5.4.440.4372.06021.43
5.4.430.0272.47022.08
5.4.420.0272.47022.09
5.4.410.0232.47321.80
5.4.400.0332.46321.66
5.4.390.3772.12021.60
5.4.380.0132.48721.99
5.4.370.0202.47721.49
5.4.360.0472.45021.51
5.4.350.0332.46321.57
5.4.340.0072.49021.80
5.4.320.0111.99115.02
5.4.310.0171.98615.00
5.4.300.0161.98015.02
5.4.290.0261.97515.03
5.4.280.0181.98414.93
5.4.270.0321.96914.91
5.4.260.0131.98814.93
5.4.250.0091.99214.93
5.4.240.0111.99014.93
5.4.230.0121.98714.92
5.4.220.0131.98714.92
5.4.210.0121.99214.92
5.4.200.0241.97814.92
5.4.190.0111.99114.91
5.4.180.0121.98814.92
5.4.170.0161.98814.93
5.4.160.0161.98414.93
5.4.150.0091.99214.92
5.4.140.0111.98914.57
5.4.130.0141.98414.27
5.4.120.0121.98514.23
5.4.110.0131.98814.24
5.4.100.0101.99114.25
5.4.90.0141.98914.24
5.4.80.0131.98814.24
5.4.70.0111.99414.24
5.4.60.0151.98914.21
5.4.50.0131.98814.52
5.4.40.0091.99514.22
5.4.30.0141.99114.18
5.4.20.0141.99114.22
5.4.10.0101.99214.22
5.4.00.0071.99014.01

preferences:
38.87 ms | 401 KiB | 5 Q