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($n - 2); } for($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)
8.3.60.0070.00718.31
8.3.50.0070.00716.08
8.3.40.0110.00418.75
8.3.30.0100.01018.84
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0100.00725.92
8.2.170.0030.01718.89
8.2.160.0090.00522.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0020.00526.35
8.2.110.0060.00322.26
8.2.100.0090.00317.59
8.2.90.0080.00017.63
8.2.80.0060.00318.86
8.2.70.0060.00317.36
8.2.60.0030.00617.50
8.2.50.0060.00318.05
8.2.40.0040.00418.03
8.2.30.0040.00418.07
8.2.20.0040.00418.07
8.2.10.0000.00819.25
8.2.00.0040.00419.27
8.1.280.0110.00725.92
8.1.270.0060.00323.99
8.1.260.0050.00328.09
8.1.250.0080.00028.09
8.1.240.0080.00323.66
8.1.230.0080.00420.87
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.39
8.1.190.0060.00316.88
8.1.180.0000.00818.10
8.1.170.0030.00618.54
8.1.160.0070.00018.71
8.1.150.0040.00418.83
8.1.140.0040.00418.74
8.1.130.0070.00020.08
8.1.120.0000.00817.38
8.1.110.0030.00617.40
8.1.100.0000.00717.29
8.1.90.0050.00317.46
8.1.80.0080.00317.24
8.1.70.0000.00717.44
8.1.60.0080.00017.46
8.1.50.0040.00417.58
8.1.40.0040.00417.53
8.1.30.0040.00417.68
8.1.20.0040.00417.64
8.1.10.0040.00417.46
8.1.00.0040.00417.58
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00720.19
8.0.270.0000.00717.94
8.0.260.0000.00720.12
8.0.250.0000.00916.80
8.0.240.0030.00316.82
8.0.230.0070.00016.85
8.0.220.0000.00716.82
8.0.210.0000.00716.82
8.0.200.0050.00216.88
8.0.190.0000.00816.83
8.0.180.0040.00416.77
8.0.170.0040.00416.84
8.0.160.0000.00716.87
8.0.150.0040.00416.67
8.0.140.0030.00416.68
8.0.130.0000.00513.20
8.0.120.0040.00416.80
8.0.110.0040.00416.72
8.0.100.0040.00316.70
8.0.90.0050.00216.93
8.0.80.0020.01616.86
8.0.70.0030.00516.82
8.0.60.0020.00516.82
8.0.50.0040.00416.66
8.0.30.0120.01216.96
8.0.20.0050.01317.18
8.0.10.0030.00516.90
8.0.00.0090.00916.60
7.4.330.0000.00415.55
7.4.320.0030.00316.60
7.4.300.0030.00316.52
7.4.290.0040.00416.54
7.4.280.0000.00816.48
7.4.270.0020.00516.55
7.4.260.0030.00313.29
7.4.250.0000.00816.45
7.4.240.0030.00316.50
7.4.230.0040.00416.60
7.4.220.0040.00316.43
7.4.210.0090.00716.60
7.4.200.0000.00716.66
7.4.130.0080.01016.53
7.4.120.0190.00416.63
7.4.110.0070.01016.52
7.4.100.0110.00816.32
7.4.90.0090.00916.46
7.4.80.0030.01316.69
7.4.70.0060.01116.39
7.4.60.0120.00416.27
7.4.50.0170.00316.52
7.4.40.0120.01216.47
7.4.30.0100.00716.21
7.4.20.0030.01316.44
7.4.10.0030.01416.36
7.4.00.0080.00816.60
7.3.330.0030.00316.31
7.3.320.0050.00013.34
7.3.310.0060.00016.22
7.3.300.0000.00716.26
7.3.290.0050.01116.35
7.3.280.0150.00016.25
7.3.260.0070.01416.35
7.3.230.0100.00616.55
7.3.210.0180.00316.63
7.3.200.0040.01216.50
7.3.190.0060.01016.46
7.3.180.0060.00916.54
7.3.170.0030.01316.37
7.3.160.0160.00716.38
7.3.150.0090.00616.42
7.3.140.0040.01216.71
7.3.130.0070.01016.33
7.3.120.0040.01416.65
7.3.110.0060.00916.47
7.3.100.0000.01916.32
7.3.90.0100.00716.38
7.3.80.0100.00716.63
7.3.70.0130.00316.50
7.3.60.0090.00616.43
7.3.50.0030.01316.33
7.3.40.0090.00916.50
7.3.30.0060.01216.37
7.3.20.0040.01216.57
7.3.10.0120.00616.42
7.3.00.0110.00616.50
7.2.330.0150.00416.61
7.2.320.0100.00716.44
7.2.310.0070.01016.37
7.2.300.0100.01416.61
7.2.290.0070.01016.70
7.2.280.0060.00916.64
7.2.270.0040.01216.61
7.2.260.0100.00716.71
7.2.250.0110.00616.64
7.2.240.0130.00616.70
7.2.230.0030.01416.62
7.2.220.0040.01416.56
7.2.210.0080.00816.70
7.2.200.0070.00816.54
7.2.190.0030.01416.69
7.2.180.0090.00916.49
7.2.170.0110.00916.64
7.2.160.0080.00816.53
7.2.150.0090.00916.59
7.2.140.0070.01016.59
7.2.130.0070.01016.64
7.2.120.0120.00416.57
7.2.110.0190.00316.63
7.2.100.0120.00616.52
7.2.90.0120.00916.61
7.2.80.0040.01716.59
7.2.70.0150.00316.68
7.2.60.0090.00816.69
7.2.50.0110.00716.64
7.2.40.0150.00316.70
7.2.30.0120.00916.65
7.2.20.0070.01116.58
7.2.10.0150.00416.54
7.2.00.0170.00816.59

preferences:
66.07 ms | 401 KiB | 5 Q