3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_even(int $n): bool { if ($n < 0) { $n = abs($n); } if ($n === 0) { return true; } if ($n === 1) { return false; } return is_even($n - 1); } var_dump(is_even(-5)); die(); for($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)
8.3.60.0090.00616.63
8.3.50.0070.00716.44
8.3.40.0140.00418.61
8.3.30.0110.00418.70
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0060.00326.16
8.2.180.0110.00425.92
8.2.170.0120.00319.08
8.2.160.0140.00422.96
8.2.150.0000.00725.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00426.35
8.2.110.0080.00020.52
8.2.100.0070.00417.72
8.2.90.0000.00720.54
8.2.80.0040.00418.03
8.2.70.0030.00618.03
8.2.60.0040.00418.22
8.2.50.0000.00918.10
8.2.40.0040.00419.21
8.2.30.0000.00719.18
8.2.20.0080.00018.00
8.2.10.0030.00619.07
8.2.00.0000.00719.18
8.1.280.0090.01325.92
8.1.270.0040.00423.99
8.1.260.0050.00328.09
8.1.250.0000.00928.09
8.1.240.0030.00623.54
8.1.230.0000.01220.96
8.1.220.0000.00717.74
8.1.210.0030.00518.88
8.1.200.0040.00417.36
8.1.190.0040.00417.12
8.1.180.0040.00418.10
8.1.170.0000.00818.55
8.1.160.0030.00619.00
8.1.150.0050.00218.79
8.1.140.0000.00718.81
8.1.130.0000.00720.04
8.1.120.0040.00417.40
8.1.110.0000.00817.32
8.1.100.0040.00417.42
8.1.90.0000.00717.43
8.1.80.0050.00517.40
8.1.70.0030.00317.23
8.1.60.0000.00817.53
8.1.50.0040.00417.57
8.1.40.0000.00817.55
8.1.30.0000.00817.55
8.1.20.0000.00817.61
8.1.10.0000.00717.54
8.1.00.0000.00717.53
8.0.300.0000.00719.89
8.0.290.0050.00216.58
8.0.280.0030.00318.26
8.0.270.0030.00618.48
8.0.260.0060.00020.11
8.0.250.0060.00417.02
8.0.240.0070.00016.95
8.0.230.0000.00716.85
8.0.220.0040.00416.91
8.0.210.0000.00716.78
8.0.200.0030.00316.97
8.0.190.0080.00016.83
8.0.180.0040.00416.88
8.0.170.0080.00016.80
8.0.160.0000.00716.88
8.0.150.0000.00716.86
8.0.140.0070.00016.71
8.0.130.0000.00513.36
8.0.120.0000.00816.82
8.0.110.0000.00816.98
8.0.100.0030.00516.74
8.0.90.0070.00016.82
8.0.80.0060.01116.93
8.0.70.0050.00516.94
8.0.60.0040.00416.68
8.0.50.0000.00716.83
8.0.30.0100.00616.95
8.0.20.0080.01117.09
8.0.10.0040.00416.86
8.0.00.0090.01216.98
7.4.330.0050.00015.55
7.4.320.0060.00016.61
7.4.300.0040.00416.61
7.4.290.0000.00716.49
7.4.280.0080.00016.51
7.4.270.0000.00716.41
7.4.260.0000.00513.34
7.4.250.0040.00416.42
7.4.240.0030.00516.59
7.4.230.0030.00516.35
7.4.220.0060.00116.57
7.4.210.0040.01316.59
7.4.200.0000.00716.60
7.4.130.0080.01216.46
7.4.120.0150.00916.74
7.4.110.0120.00616.57
7.4.100.0130.00916.43
7.4.90.0100.00916.63
7.4.80.0070.01116.55
7.4.70.0060.01216.52
7.4.60.0040.01916.38
7.4.50.0100.01216.32
7.4.40.0090.01316.45
7.4.30.0130.00316.57
7.4.20.0090.00916.46
7.4.10.0080.01016.50
7.4.00.0110.00716.59
7.3.330.0030.00616.40
7.3.320.0030.00313.29
7.3.310.0050.00216.48
7.3.300.0000.00716.45
7.3.290.0090.00716.39
7.3.280.0070.00716.43
7.3.260.0100.01016.25
7.3.230.0140.00316.34
7.3.210.0000.01816.40
7.3.200.0070.01016.31
7.3.190.0100.00716.47
7.3.180.0120.00916.42
7.3.170.0180.00316.41
7.3.160.0130.00816.58
7.3.150.0030.01416.28
7.3.140.0050.01416.36
7.3.130.0100.01016.43
7.3.120.0100.00716.54
7.3.110.0100.00716.29
7.3.100.0100.01016.33
7.3.90.0100.00616.36
7.3.80.0060.01116.56
7.3.70.0060.01216.29
7.3.60.0070.01016.39
7.3.50.0050.01116.37
7.3.40.0040.01216.24
7.3.30.0130.00316.42
7.3.20.0100.00616.23
7.3.10.0120.00616.45
7.3.00.0090.00916.40
7.2.330.0100.01316.72
7.2.320.0100.00716.63
7.2.310.0150.00916.72
7.2.300.0100.01316.65
7.2.290.0100.00716.38
7.2.280.0100.00716.29
7.2.270.0080.00816.46
7.2.260.0130.00616.59
7.2.250.0100.00716.59
7.2.240.0030.01316.69
7.2.230.0070.01316.60
7.2.220.0130.00316.57
7.2.210.0040.01416.69
7.2.200.0100.01016.58
7.2.190.0110.00616.49
7.2.180.0100.00716.43
7.2.170.0030.01316.60
7.2.160.0070.01016.54
7.2.150.0060.01216.55
7.2.140.0120.01216.63
7.2.130.0030.01516.62
7.2.120.0000.01716.47
7.2.110.0080.00816.62
7.2.100.0110.00716.37
7.2.90.0060.01516.54
7.2.80.0110.00716.52
7.2.70.0110.00816.55
7.2.60.0070.01016.57
7.2.50.0060.01316.55
7.2.40.0330.01016.48
7.2.30.0110.00716.55
7.2.20.0070.01016.67
7.2.10.0070.01516.37
7.2.00.0000.01816.50

preferences:
60.05 ms | 401 KiB | 5 Q