3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); $amount = 10000; $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) - $start)."ms || "; unset($alreadyOutput); $alreadyOutput = array(); $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)
7.2.00.0030.04119.01
7.1.70.0030.03617.22
7.1.60.0100.06619.46
7.1.50.0030.07316.93
7.1.00.0130.11722.45
7.0.200.0070.04615.09
7.0.140.0100.11722.21
7.0.70.0000.08321.70
7.0.60.0030.13021.68
7.0.50.0000.10021.96
7.0.40.0000.10020.06
7.0.30.0100.10020.04
7.0.20.0000.06020.02
7.0.10.0030.07720.03
7.0.00.0070.06720.05
5.6.280.0070.55321.55
5.6.220.0070.44721.28
5.6.210.0070.52021.39
5.6.200.0070.48321.93
5.6.190.0100.53321.75
5.6.180.0130.52321.80
5.6.170.0000.49321.78
5.6.160.0000.38321.74
5.6.150.0270.37721.93
5.6.140.0000.48321.74
5.6.130.0000.41321.81
5.6.120.0070.46721.79
5.6.110.0030.47321.64
5.6.100.0070.53021.76
5.6.90.0030.53321.71
5.6.80.0000.53021.28
5.6.70.0070.52021.15
5.6.60.0000.45721.20
5.6.50.0030.53021.12
5.6.40.0130.54021.13
5.6.30.0030.53721.06
5.6.20.0030.53321.01
5.6.10.0000.53721.18
5.6.00.0030.49321.24
5.5.360.0100.45021.05
5.5.350.0030.53021.14
5.5.340.0100.53321.48
5.5.330.0070.53021.64
5.5.320.0030.52321.62
5.5.310.0070.51321.58
5.5.300.0030.42021.61
5.5.290.0000.38721.64
5.5.280.0030.42721.58
5.5.270.0030.54021.42
5.5.260.0170.50021.63
5.5.250.0070.53021.34
5.5.240.0030.53320.89
5.5.230.0100.41020.92
5.5.220.0130.47320.96
5.5.210.0430.50720.96
5.5.200.0070.52321.01
5.5.190.0270.52720.97
5.5.180.0070.48721.09
5.5.160.0070.53020.97
5.5.150.0030.52720.96
5.5.140.0500.50320.71
5.5.130.0170.47321.02
5.5.120.0030.48020.89
5.5.110.0100.52020.85
5.5.100.0130.50020.87
5.5.90.0000.53320.91
5.5.80.0100.50320.92
5.5.70.0030.52320.65
5.5.60.0030.52720.84
5.5.50.0000.52320.77
5.5.40.0000.53020.78
5.5.30.0030.53320.88
5.5.20.0000.49320.84
5.5.10.0030.51720.99
5.5.00.0100.53020.64
5.4.450.0070.37020.14
5.4.440.0030.36320.17
5.4.430.0070.45719.87
5.4.420.0070.50019.96
5.4.410.0000.45019.95
5.4.400.0130.50019.85
5.4.390.0030.40319.65
5.4.380.0030.42719.64
5.4.370.0070.49319.74
5.4.360.0300.50019.64
5.4.350.0030.51019.48
5.4.340.0070.51719.68
5.4.320.0330.50019.71
5.4.310.0030.49719.84
5.4.300.0170.50019.65
5.4.290.0000.49319.65
5.4.280.0070.50319.64
5.4.270.0070.50319.69
5.4.260.0070.51019.72
5.4.250.0130.51319.59
5.4.240.0100.51019.58
5.4.230.0070.51319.66
5.4.220.0030.51019.66
5.4.210.0000.51719.76
5.4.200.0030.50319.70
5.4.190.0100.50719.69
5.4.180.0270.49019.67
5.4.170.0030.50319.54
5.4.160.0070.50719.61
5.4.150.0100.48319.57
5.4.140.0070.50017.07
5.4.130.0070.49717.10
5.4.120.0070.51017.09
5.4.110.0070.50717.01
5.4.100.0030.52316.91
5.4.90.0070.48717.00
5.4.80.0100.52716.96
5.4.70.0200.50716.98
5.4.60.0100.50017.04
5.4.50.0030.42717.06
5.4.40.0000.36316.88
5.4.30.0030.40316.87
5.4.20.0070.44016.92
5.4.10.0000.44016.91
5.4.00.0070.43716.45
5.3.290.0070.51715.38
5.3.280.0070.51315.40
5.3.270.0070.53015.36
5.3.260.0130.51015.36
5.3.250.0000.52015.48
5.3.240.0000.53015.48
5.3.230.0030.50715.36
5.3.220.0130.50315.45
5.3.210.0000.48715.44
5.3.200.0100.50315.40
5.3.190.0030.51015.37
5.3.180.0030.52715.29
5.3.170.0030.50315.43
5.3.160.0100.51715.48
5.3.150.0070.44315.29
5.3.140.0000.40015.39
5.3.130.0030.45015.43
5.3.120.0000.45315.43
5.3.110.0100.35715.42
5.3.100.0030.36314.77
5.3.90.0000.37714.75
5.3.80.0000.39714.73
5.3.70.0030.39314.89
5.3.60.0070.39314.88
5.3.50.0000.48314.70
5.3.40.0030.46314.80
5.3.30.0030.48014.57
5.3.20.0000.52014.44
5.3.10.0470.47314.53
5.3.00.0000.52714.39
5.2.170.0000.55312.45
5.2.160.0070.85712.45
5.2.150.0000.54312.45
5.2.140.0030.56312.45
5.2.130.0030.65312.45
5.2.120.0030.68012.45
5.2.110.0030.66012.45
5.2.100.0070.66012.45
5.2.90.0030.66712.45
5.2.80.0030.66312.45
5.2.70.0070.64312.45
5.2.60.0000.64712.45
5.2.50.0000.65712.45
5.2.40.0100.65012.45
5.2.30.0000.60712.45
5.2.20.0130.66312.45
5.2.10.0030.60712.46
5.2.00.0000.63012.46
5.1.60.0030.67012.46
5.1.50.0100.69312.46
5.1.40.0000.69712.46
5.1.30.0070.68312.46
5.1.20.0030.62312.46
5.1.10.0000.66712.46
5.1.00.0070.59312.46
5.0.50.0030.67312.46
5.0.40.0000.66312.46
5.0.30.0030.68312.46
5.0.20.0030.71012.46
5.0.10.0030.68012.46
5.0.00.0070.65312.46
4.4.90.0000.57012.45
4.4.80.0030.63312.45
4.4.70.0000.65312.45
4.4.60.0000.65012.46
4.4.50.0000.63012.46
4.4.40.0000.54012.46
4.4.30.0030.61712.46
4.4.20.0030.59312.46
4.4.10.0000.60312.46
4.4.00.0030.61712.46
4.3.110.0030.60012.46
4.3.100.0070.57012.46
4.3.90.0030.63012.46
4.3.80.0000.63012.46
4.3.70.0000.61012.46
4.3.60.0030.63312.46
4.3.50.0100.60312.46
4.3.40.0000.59712.46
4.3.30.0100.55312.46
4.3.20.0000.65712.46
4.3.10.0030.53312.46
4.3.00.0000.53012.46

preferences:
27.76 ms | 401 KiB | 5 Q