3v4l.org

run code in 300+ PHP versions simultaneously
<?php $code = ""; $namespace = __NAMESPACE__; foreach (array(10, 11, 12, 14, 20, 21, 22, 26, 27, 31) as $n) { $val = ~((~0) << $n); $code .= "namespace $namespace { const MASK$n = $val; }\n"; } foreach (array(16, 31, 32) as $n) { $val = pow(2, $n); $code .= "namespace $namespace { const TWO_TO_THE_$n = $val; }\n"; } echo $code; $val = MASK31 | (MASK31 << 1); echo "namespace $namespace { const MASK32 = $val; }";

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)
8.3.70.0070.01417.00
8.3.60.0150.00016.75
8.3.50.0110.00721.28
8.3.40.0090.00618.68
8.3.30.0070.01518.68
8.3.20.0040.00420.14
8.3.10.0060.00323.70
8.3.00.0000.00822.46
8.2.180.0110.00416.63
8.2.170.0170.00322.96
8.2.160.0170.00322.17
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0090.00017.75
8.2.110.0070.00321.03
8.2.100.0040.00817.63
8.2.90.0030.00519.30
8.2.80.0050.00317.97
8.2.70.0060.00317.49
8.2.60.0060.00317.80
8.2.50.0030.00618.07
8.2.40.0000.00821.01
8.2.30.0080.00019.91
8.2.20.0080.00017.86
8.2.10.0070.00018.18
8.2.00.0040.00418.08
8.1.280.0150.00425.92
8.1.270.0050.00320.38
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0060.00321.25
8.1.230.0040.00817.82
8.1.220.0000.00817.74
8.1.210.0030.00718.77
8.1.200.0030.00617.35
8.1.190.0050.00317.25
8.1.180.0040.00418.10
8.1.170.0060.00318.55
8.1.160.0040.00421.98
8.1.150.0040.00418.98
8.1.140.0000.00817.55
8.1.130.0040.00417.76
8.1.120.0060.00317.44
8.1.110.0040.00417.45
8.1.100.0070.00017.45
8.1.90.0020.00517.40
8.1.80.0000.00817.45
8.1.70.0070.00017.49
8.1.60.0040.00417.66
8.1.50.0050.00317.53
8.1.40.0040.00417.50
8.1.30.0040.00417.56
8.1.20.0040.00417.71
8.1.10.0060.00317.52
8.1.00.0030.00617.38
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.33
8.0.270.0080.00017.27
8.0.260.0060.00017.14
8.0.250.0040.00416.92
8.0.240.0030.00516.96
8.0.230.0000.01016.88
8.0.220.0070.00016.87
8.0.210.0050.00216.85
8.0.200.0060.00016.96
8.0.190.0060.00316.89
8.0.180.0000.00717.04
8.0.170.0080.00016.99
8.0.160.0070.00016.87
8.0.150.0030.00316.79
8.0.140.0080.00016.97
8.0.130.0000.00513.39
8.0.120.0000.00816.89
8.0.110.0030.00516.82
8.0.100.0030.00616.83
8.0.90.0020.00516.96
8.0.80.0090.00616.85
8.0.70.0080.00016.93
8.0.60.0070.00016.88
8.0.50.0040.00416.92
8.0.30.0080.00917.11
8.0.20.0070.01617.40
8.0.10.0030.00516.92
8.0.00.0100.00716.83
7.4.330.0030.00315.08
7.4.320.0060.00016.61
7.4.300.0030.00316.50
7.4.290.0030.00616.60
7.4.280.0000.00816.40
7.4.270.0050.00316.59
7.4.260.0080.00016.60
7.4.250.0070.00016.56
7.4.240.0000.00716.45
7.4.230.0030.00316.43
7.4.220.0120.00916.63
7.4.210.0030.01116.56
7.4.200.0000.00716.69
7.4.160.0110.01216.55
7.4.150.0140.00317.40
7.4.140.0110.01017.86
7.4.130.0130.00316.52
7.4.120.0100.00816.63
7.4.110.0090.00916.77
7.4.100.0150.00616.71
7.4.90.0070.01016.43
7.4.80.0070.01319.39
7.4.70.0060.01116.79
7.4.60.0110.00616.51
7.4.50.0020.00216.64
7.4.40.0100.00716.49
7.4.30.0090.00916.54
7.4.00.0050.00315.22
7.3.330.0030.00313.15
7.3.320.0000.00813.24
7.3.310.0030.00516.39
7.3.300.0000.00716.34
7.3.290.0030.00316.36
7.3.280.0100.01016.42
7.3.270.0100.00717.40
7.3.260.0100.01016.44
7.3.250.0100.00916.32
7.3.240.0030.01716.39
7.3.230.0090.00916.39
7.3.210.0100.00716.48
7.3.200.0060.01619.39
7.3.190.0150.00316.46
7.3.180.0040.01116.70
7.3.170.0070.01316.57
7.3.160.0190.00016.48
7.2.330.0130.01016.70
7.2.320.0100.01016.69
7.2.310.0150.00916.73
7.2.300.0100.00716.71
7.2.290.0130.01016.77
7.2.60.0070.00716.62
7.2.00.0060.00919.59
7.1.200.0000.00915.62
7.1.100.0070.00718.18
7.1.70.0070.01017.01
7.1.60.0070.01719.18
7.1.50.0060.01016.85
7.1.00.0070.07722.43
7.0.200.0040.00416.61
7.0.60.0100.08019.80
7.0.50.0030.07317.79
7.0.40.0030.07019.98
7.0.30.0230.08720.13
7.0.20.0070.05020.09
7.0.10.0130.04320.18
7.0.00.0100.07020.29
5.6.280.0070.05020.84
5.6.210.0000.07320.60
5.6.200.0070.05718.08
5.6.190.0070.04020.39
5.6.180.4200.03720.41
5.6.170.0270.03720.53
5.6.160.0100.08020.38
5.6.150.0030.05718.11
5.6.140.0100.08018.20
5.6.130.0070.03718.21
5.6.120.0070.08320.98
5.6.110.0070.08320.96
5.6.100.0100.08020.98
5.6.90.0100.08321.02
5.6.80.0070.03720.37
5.6.70.3070.02720.27
5.5.350.0270.07320.40
5.5.340.0000.08317.90
5.5.330.0100.03720.46
5.5.320.0300.08020.27
5.5.310.0230.04720.30
5.5.300.0070.08318.02
5.5.290.0030.04317.95
5.5.280.0000.04320.64
5.5.270.0130.03720.87
5.5.260.0130.06720.87
5.5.250.0070.08320.62
5.5.240.0230.07320.15
5.4.450.0770.06019.32
5.4.440.0670.06719.60
5.4.430.0830.06319.48
5.4.420.0870.06319.46
5.4.410.0770.05718.99
5.4.400.0970.06319.23
5.4.390.0800.04719.27
5.4.380.0700.06018.74
5.4.370.0670.05719.27
5.4.360.0770.05719.30
5.4.350.0930.04019.14
5.4.340.0730.06719.29
5.4.320.0700.06319.14
5.4.310.0770.06319.29
5.4.300.0800.06019.21
5.4.290.0270.06319.07
5.4.280.0130.05019.26
5.4.270.0070.07018.99
5.4.260.0830.04318.96
5.4.250.0800.06018.80
5.4.240.0830.05719.13
5.4.230.0730.05719.09
5.4.220.0830.05319.09
5.4.210.0730.05019.28
5.4.200.1000.05716.81
5.4.190.1070.05319.24
5.4.180.0770.05319.24
5.4.170.0830.05319.15
5.4.160.1000.05019.05
5.4.150.0770.05718.84
5.4.140.0770.04716.50
5.4.130.0800.05316.59
5.4.120.0830.05316.50
5.4.110.1070.04016.49
5.4.100.0830.05016.38
5.4.90.0830.04316.59
5.4.80.0400.05316.47
5.4.70.0030.05716.30
5.4.60.0270.03716.47
5.4.50.0030.04316.36
5.4.40.0330.05316.38
5.4.30.0430.02716.46
5.4.20.0270.06016.47

preferences:
58.14 ms | 401 KiB | 5 Q