3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_even(int $n): bool { $fn = fn(int $nr, bool $not): bool => $nr === 0 ? !$not : $fn(($nr < 0 ? abs($nr) : $nr) - 1, !$not); return $fn($n, false); } for($i = -5; $i <= 12; $i++) { printf('is %d even? %s.%s', $i, is_even($i) ? 'yes': 'no', "\n"); }

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)
8.3.60.0070.01016.63
8.3.50.0100.00317.95
8.3.40.0070.01418.92
8.3.30.0090.00618.93
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0030.00726.16
8.2.180.0000.01525.92
8.2.170.0170.00318.96
8.2.160.0110.00422.96
8.2.150.0000.00725.66
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0050.00226.35
8.2.110.0060.00322.08
8.2.100.0040.00817.76
8.2.90.0060.00317.91
8.2.80.0090.00018.05
8.2.70.0050.00318.04
8.2.60.0000.00918.03
8.2.50.0090.00018.10
8.2.40.0060.00319.48
8.2.30.0030.00519.21
8.2.20.0000.00718.08
8.2.10.0040.00419.33
8.2.00.0040.00419.24
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0000.00928.09
8.1.250.0040.00428.09
8.1.240.0080.00021.03
8.1.230.0080.00420.91
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.38
8.1.180.0030.00518.10
8.1.170.0060.00318.49
8.1.160.0100.00018.95
8.1.150.0070.00018.79
8.1.140.0000.00718.88
8.1.130.0030.00320.14
8.1.120.0000.00817.52
8.1.110.0040.00417.42
8.1.100.0020.00517.36
8.1.90.0000.00817.52
8.1.80.0050.00317.41
8.1.70.0070.00017.50
8.1.60.0000.00917.56
8.1.50.0110.00017.41
8.1.40.0080.00017.48
8.1.30.0000.00817.49
8.1.20.0000.00817.68
8.1.10.0000.00717.44
8.1.00.0060.00317.57
8.0.300.0000.00720.06
8.0.290.0060.00316.62
8.0.280.0040.00418.46
8.0.270.0040.00416.83
8.0.260.0030.00320.25
8.0.250.0040.00416.97
8.0.240.0050.00216.99
8.0.230.0000.00717.06
8.0.220.0000.00716.99
8.0.210.0000.00816.96
8.0.200.0030.00317.04
8.0.190.0070.00017.04
8.0.180.0080.00017.00
8.0.170.0060.00316.96
8.0.160.0000.00716.98
8.0.150.0070.00016.98
8.0.140.0070.00016.88
8.0.130.0030.00313.39
8.0.120.0040.00416.84
8.0.110.0050.00316.97
8.0.100.0040.00416.98
8.0.90.0040.00416.95
7.4.330.0020.00215.55
7.4.320.0070.00016.46
7.4.300.0030.00316.51
7.4.290.0000.00816.51
7.4.280.0000.00716.61
7.4.270.0000.00716.54
7.4.260.0000.00513.38
7.4.250.0000.00816.48
7.4.240.0030.00516.51
7.4.230.0030.00516.61
7.4.220.0000.00716.61
7.4.80.0150.00616.41
7.4.70.0080.01116.49
7.4.60.0090.00916.61
7.4.50.0070.01016.54
7.4.40.0130.01016.77
7.4.30.0100.01016.41
7.4.20.0150.00316.50
7.4.10.0090.01216.62
7.4.00.0060.01816.62
7.3.330.0000.00816.06
7.3.320.0050.00013.18
7.3.310.0030.00316.03
7.3.300.0000.00716.23
7.3.200.0090.01216.21
7.3.190.0070.01016.18
7.3.180.0090.00916.16
7.3.170.0130.00316.13
7.3.160.0100.01016.22
7.3.150.0180.00016.49
7.3.140.0090.01216.24
7.3.130.0150.00416.27
7.3.120.0090.00916.23
7.3.110.0070.01016.32
7.3.100.0070.01316.15
7.3.90.0060.01216.11
7.3.80.0140.00716.42
7.3.70.0100.00616.21
7.3.60.0100.01016.25
7.3.50.0120.00616.11
7.3.40.0070.01016.03
7.3.30.0090.01516.13
7.3.20.0130.00716.09
7.3.10.0100.01016.09
7.3.00.0150.00616.23
7.2.320.0060.01616.36
7.2.310.0100.01016.32
7.2.300.0140.00316.45
7.2.290.0070.01016.24
7.2.280.0120.00916.14
7.2.270.0090.00916.18
7.2.260.0060.01316.26
7.2.250.0040.01516.54
7.2.240.0070.01116.25
7.2.230.0070.01516.29
7.2.220.0120.00916.14
7.2.210.0110.01216.49
7.2.200.0120.00916.16
7.2.190.0080.01216.32
7.2.180.0150.00316.38
7.2.170.0090.00916.25
7.2.160.0060.01816.14
7.2.150.0180.00616.19
7.2.140.0110.01416.38
7.2.130.0130.01016.36
7.2.120.0310.00316.35
7.2.110.0160.00316.44
7.2.100.0120.00916.27
7.2.90.0070.01716.39
7.2.80.0150.00916.59
7.2.70.0100.01416.31
7.2.60.0120.01216.33
7.2.50.0100.01016.32
7.2.40.0150.00916.25
7.2.30.0060.01216.46
7.2.20.0150.00816.16
7.2.10.0120.00916.43
7.2.00.0110.01116.26

preferences:
67.62 ms | 400 KiB | 5 Q