3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isEven(int $num): bool { if ($num % 2 == 0) { return true; } else { return false; } } function pattern(int $num): void { for ($i = $num; $i > 1;) { if (isEven($i)) { $i = $i / 2; echo $i . " "; } else if (!isEven($i)) { $i = $i * 3 + 1; echo $i . " "; } } } $num = pow(2, 32); pattern($num);

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)
8.3.60.0070.00718.43
8.3.50.0070.00716.29
8.3.40.0000.01418.45
8.3.30.0120.00318.72
8.3.20.0080.00021.73
8.3.10.0040.00423.70
8.3.00.0000.00820.94
8.2.180.0130.00716.63
8.2.170.0090.01222.96
8.2.160.0070.00719.84
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00018.03
8.2.120.0040.00426.35
8.2.110.0090.00022.00
8.2.100.0080.00417.66
8.2.90.0070.00517.34
8.2.80.0030.00618.50
8.2.70.0000.00817.38
8.2.60.0000.00917.93
8.2.50.0050.00318.07
8.2.40.0000.00919.95
8.2.30.0040.00418.03
8.2.20.0040.00418.08
8.2.10.0000.00719.31
8.2.00.0000.00819.18
8.1.280.0090.01225.92
8.1.270.0040.00418.75
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0070.00318.86
8.1.230.0070.00317.70
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.23
8.1.180.0030.00518.10
8.1.170.0050.00318.65
8.1.160.0000.00818.95
8.1.150.0070.00318.96
8.1.140.0000.00720.77
8.1.130.0040.00419.23
8.1.120.0000.00717.53
8.1.110.0040.00417.46
8.1.100.0050.00517.39
8.1.90.0040.00417.44
8.1.80.0000.00717.49
8.1.70.0000.00717.43
8.1.60.0070.00417.61
8.1.50.0000.00817.42
8.1.40.0000.00717.39
8.1.30.0000.00717.71
8.1.20.0000.00817.58
8.1.10.0050.00317.44
8.1.00.0030.00617.34
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0030.00318.49
8.0.270.0000.00817.16
8.0.260.0030.00316.79
8.0.250.0070.00016.96
8.0.240.0070.00016.96
8.0.230.0070.00017.02
8.0.220.0030.00316.80
8.0.210.0070.00016.92
8.0.200.0060.00016.93
8.0.190.0030.00616.83
8.0.180.0040.00416.81
8.0.170.0030.00616.89
8.0.160.0000.00816.91
8.0.150.0000.00816.82
8.0.140.0000.00816.91
8.0.130.0050.00213.29
8.0.120.0030.00616.75
8.0.110.0030.00316.75
8.0.100.0040.00416.96
8.0.90.0040.00416.86
8.0.80.0030.01016.89
8.0.70.0080.00016.88
8.0.60.0000.00716.88
8.0.50.0000.00716.87
8.0.30.0100.01117.05
8.0.20.0110.00816.83
8.0.10.0040.00417.04
8.0.00.0120.00916.86
7.4.330.0040.00415.55
7.4.320.0060.00016.52
7.4.300.0030.00316.52
7.4.290.0020.00516.63
7.4.280.0050.00316.40
7.4.270.0070.00016.52
7.4.260.0000.00716.57
7.4.250.0000.00916.45
7.4.240.0000.00716.60
7.4.230.0030.00316.40
7.4.220.0040.00416.40
7.4.210.0090.00816.55
7.4.200.0050.00316.61
7.4.160.0080.01116.55
7.4.140.0110.00817.86
7.4.130.0060.01116.66
7.4.120.0100.01016.66
7.4.110.0060.01316.64
7.4.100.0130.01016.73
7.4.90.0140.00316.49
7.4.80.0030.01519.39
7.4.70.0070.01016.61
7.4.60.0070.01016.56
7.4.50.0070.00716.52
7.4.40.0140.00416.66
7.4.00.0050.00314.99
7.3.330.0000.00513.15
7.3.320.0030.00313.38
7.3.310.0050.00316.27
7.3.300.0000.00616.38
7.3.290.0030.00316.20
7.3.280.0060.01016.33
7.3.260.0070.01216.43
7.3.230.0060.01016.30
7.3.210.0140.00316.72
7.3.200.0060.01116.43
7.3.190.0070.01016.52
7.3.180.0100.00716.55
7.3.170.0140.00616.52
7.3.160.0080.01216.53
7.3.120.0130.00314.84
7.3.110.0130.00314.86
7.3.100.0080.00414.58
7.3.90.0060.01014.94
7.3.80.0140.00014.75
7.3.70.0070.01114.73
7.3.60.0070.00714.86
7.3.50.0100.00314.78
7.3.40.0030.01014.62
7.3.30.0060.01014.96
7.3.20.0070.00716.70
7.3.10.0240.00515.65
7.3.00.0290.00215.73
7.2.330.0070.01016.70
7.2.320.0070.01716.59
7.2.310.0180.00316.71
7.2.300.0110.00616.59
7.2.290.0090.01216.75
7.2.240.0090.00915.24
7.2.230.0070.01015.25
7.2.220.0100.00714.87
7.2.210.0030.01214.99
7.2.200.0070.01115.12
7.2.190.0060.00614.79
7.2.180.0030.01015.11
7.2.170.0030.00715.08
7.2.160.0000.01415.26
7.2.150.0110.00717.14
7.2.140.0090.00916.92
7.2.130.0180.00715.89
7.2.120.0260.01115.86
7.2.110.0190.00715.93
7.2.100.0210.00615.94
7.2.90.0240.00615.96
7.2.80.0270.00815.70
7.2.70.0190.00615.83
7.2.60.0180.00615.95
7.2.50.0200.00716.02
7.2.40.0270.00515.87
7.2.30.0250.00415.94
7.2.20.0190.00716.04
7.2.10.0300.00515.91
7.2.00.0270.00815.94
7.1.330.0040.00815.80
7.1.320.0100.00315.79
7.1.310.0030.00715.77
7.1.300.0060.00615.76
7.1.290.0000.01315.81
7.1.280.0130.00315.76
7.1.270.0060.00615.68
7.1.260.0090.00615.68
7.1.250.0220.00814.76

preferences:
63.96 ms | 401 KiB | 5 Q