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($n - 2); } var_dump(is_even(-4)); die(); for($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)
8.3.60.0100.01016.50
8.3.50.0090.00616.28
8.3.40.0070.00718.84
8.3.30.0080.00818.68
8.3.20.0000.00824.18
8.3.10.0090.00024.66
8.3.00.0090.00026.16
8.2.180.0120.00625.92
8.2.170.0150.00718.75
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0050.00326.35
8.2.110.0090.00019.30
8.2.100.0040.00817.78
8.2.90.0080.00017.88
8.2.80.0050.00318.94
8.2.70.0040.00417.50
8.2.60.0040.00417.63
8.2.50.0000.00918.05
8.2.40.0000.00818.11
8.2.30.0000.00817.98
8.2.20.0020.00517.94
8.2.10.0040.00419.08
8.2.00.0050.00319.11
8.1.280.0070.01425.92
8.1.270.0040.00423.99
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.01619.14
8.1.230.0080.00420.98
8.1.220.0030.00618.48
8.1.210.0030.00518.77
8.1.200.0050.00317.53
8.1.190.0000.01017.23
8.1.180.0040.00418.10
8.1.170.0000.00818.40
8.1.160.0000.00718.75
8.1.150.0050.00318.82
8.1.140.0040.00418.71
8.1.130.0040.00420.09
8.1.120.0030.00617.41
8.1.110.0000.00817.32
8.1.100.0080.00017.31
8.1.90.0050.00317.40
8.1.80.0000.01017.29
8.1.70.0000.00717.41
8.1.60.0050.00317.53
8.1.50.0030.00517.43
8.1.40.0090.00017.41
8.1.30.0030.00517.49
8.1.20.0000.00817.68
8.1.10.0040.00417.58
8.1.00.0000.00817.37
8.0.300.0000.00718.77
8.0.290.0060.00316.63
8.0.280.0070.00020.08
8.0.270.0030.00317.93
8.0.260.0060.00020.14
8.0.250.0110.00017.00
8.0.240.0030.00316.98
8.0.230.0070.00016.94
8.0.220.0000.00716.93
8.0.210.0000.00716.85
8.0.200.0030.00316.81
8.0.190.0060.00316.84
8.0.180.0000.00716.83
8.0.170.0060.00316.89
8.0.160.0070.00016.91
8.0.150.0040.00416.86
8.0.140.0030.00516.84
8.0.130.0000.00513.34
8.0.120.0050.00316.80
8.0.110.0070.00017.00
8.0.100.0070.00016.92
8.0.90.0040.00416.85
8.0.80.0090.01016.87
8.0.70.0040.00416.88
8.0.60.0040.00416.77
8.0.50.0000.00716.86
8.0.30.0070.01717.00
8.0.20.0130.00917.03
8.0.10.0030.00316.90
8.0.00.0130.00616.71
7.4.330.0020.00215.55
7.4.320.0000.00616.59
7.4.300.0060.00016.59
7.4.290.0070.00016.62
7.4.280.0000.00716.50
7.4.270.0030.00316.51
7.4.260.0050.00013.27
7.4.250.0000.00816.45
7.4.240.0070.00016.56
7.4.230.0070.00016.60
7.4.220.0060.00216.51
7.4.210.0100.01016.53
7.4.200.0000.00716.56
7.4.130.0090.01116.54
7.4.120.0100.01616.64
7.4.110.0140.00316.47
7.4.100.0030.01316.49
7.4.90.0070.01016.53
7.4.80.0170.00716.25
7.4.70.0060.01216.45
7.4.60.0120.00616.40
7.4.50.0090.00916.39
7.4.40.0080.00816.45
7.4.30.0100.00616.55
7.4.20.0100.00716.44
7.4.10.0090.01316.42
7.4.00.0100.00716.56
7.3.330.0060.00316.30
7.3.320.0050.00013.24
7.3.310.0000.00616.46
7.3.300.0040.00416.30
7.3.290.0050.01016.41
7.3.280.0120.00616.33
7.3.260.0060.01516.36
7.3.230.0100.01016.35
7.3.210.0070.01116.42
7.3.200.0140.00616.40
7.3.190.0070.01116.63
7.3.180.0070.01116.52
7.3.170.0060.01216.32
7.3.160.0030.01416.39
7.3.150.0030.01316.75
7.3.140.0130.00716.49
7.3.130.0040.01216.38
7.3.120.0100.00716.59
7.3.110.0070.01016.49
7.3.100.0070.01016.40
7.3.90.0100.00716.37
7.3.80.0140.00316.36
7.3.70.0130.00616.33
7.3.60.0100.00716.46
7.3.50.0090.00616.42
7.3.40.0090.00616.42
7.3.30.0100.00616.50
7.3.20.0030.01516.43
7.3.10.0130.00316.54
7.3.00.0170.00716.51
7.2.330.0070.01316.62
7.2.320.0090.00916.68
7.2.310.0160.00516.73
7.2.300.0070.01416.50
7.2.290.0070.01016.67
7.2.280.0040.01416.63
7.2.270.0100.00716.39
7.2.260.0000.01716.37
7.2.250.0090.00916.41
7.2.240.0100.00716.47
7.2.230.0130.01016.41
7.2.220.0090.01216.56
7.2.210.0150.00616.60
7.2.200.0030.01316.54
7.2.190.0080.00816.44
7.2.180.0130.00816.51
7.2.170.0060.01016.30
7.2.160.0170.00016.55
7.2.150.0030.01416.62
7.2.140.0070.01116.43
7.2.130.0030.01416.57
7.2.120.0070.01016.54
7.2.110.0090.00916.63
7.2.100.0150.00416.51
7.2.90.0140.01016.55
7.2.80.0060.01316.71
7.2.70.0100.00716.71
7.2.60.0110.00616.73
7.2.50.0120.00616.31
7.2.40.0070.01316.44
7.2.30.0100.01316.49
7.2.20.0120.00816.59
7.2.10.0060.01116.45
7.2.00.0090.00816.55

preferences:
46.57 ms | 401 KiB | 5 Q