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($n - 1); } var_dump(is_even(-4)); die(); for($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)
8.3.60.0080.00616.75
8.3.50.0140.00016.21
8.3.40.0070.01118.92
8.3.30.0070.00718.70
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0090.00026.16
8.2.180.0110.00725.92
8.2.170.0100.00718.93
8.2.160.0070.00722.96
8.2.150.0070.00025.66
8.2.140.0050.00224.66
8.2.130.0030.00626.16
8.2.120.0040.00426.35
8.2.110.0110.00019.33
8.2.100.0040.00817.72
8.2.90.0050.00317.63
8.2.80.0000.00818.76
8.2.70.0000.00817.75
8.2.60.0030.00617.63
8.2.50.0080.00018.05
8.2.40.0000.00818.16
8.2.30.0000.00717.88
8.2.20.0000.00718.04
8.2.10.0040.00419.18
8.2.00.0040.00419.13
8.1.280.0060.01225.92
8.1.270.0040.00423.99
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0040.00718.96
8.1.230.0070.00420.97
8.1.220.0060.00318.29
8.1.210.0080.00018.77
8.1.200.0060.00317.66
8.1.190.0060.00317.25
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0000.00718.84
8.1.150.0000.00718.83
8.1.140.0070.00018.79
8.1.130.0030.00320.04
8.1.120.0040.00417.29
8.1.110.0060.00317.32
8.1.100.0000.00717.29
8.1.90.0040.00417.41
8.1.80.0040.00417.37
8.1.70.0000.00717.35
8.1.60.0080.00017.61
8.1.50.0030.00617.41
8.1.40.0090.00017.56
8.1.30.0000.00817.65
8.1.20.0030.00517.61
8.1.10.0040.00417.53
8.1.00.0000.00717.40
8.0.300.0030.00618.77
8.0.290.0070.00016.63
8.0.280.0060.00020.11
8.0.270.0030.00318.01
8.0.260.0040.00420.23
8.0.250.0040.00416.83
8.0.240.0000.00716.94
8.0.230.0070.00016.94
8.0.220.0030.00316.86
8.0.210.0000.00816.80
8.0.200.0000.00716.99
8.0.190.0040.00416.98
8.0.180.0070.00016.95
8.0.170.0040.00416.83
8.0.160.0000.00716.99
8.0.150.0040.00416.81
8.0.140.0040.00416.86
8.0.130.0000.00613.37
8.0.120.0040.00416.76
8.0.110.0050.00216.76
8.0.100.0040.00416.79
8.0.90.0000.00716.85
8.0.80.0060.00916.86
8.0.70.0040.00416.86
8.0.60.0000.00716.79
8.0.50.0000.00816.96
8.0.30.0150.00417.24
8.0.20.0080.01117.04
8.0.10.0040.00417.07
8.0.00.0120.01216.79
7.4.330.0000.00515.55
7.4.320.0050.00216.55
7.4.300.0040.00416.66
7.4.290.0080.00016.47
7.4.280.0000.00716.51
7.4.270.0050.00216.63
7.4.260.0000.00513.26
7.4.250.0070.00016.50
7.4.240.0020.00516.46
7.4.230.0070.00016.50
7.4.220.0000.00716.68
7.4.210.0080.00716.51
7.4.200.0070.00016.51
7.4.130.0080.01216.52
7.4.120.0030.02216.58
7.4.110.0090.01116.62
7.4.100.0120.00916.50
7.4.90.0070.01016.58
7.4.80.0100.00716.54
7.4.70.0090.00916.57
7.4.60.0040.01216.36
7.4.50.0100.00716.65
7.4.40.0150.00316.38
7.4.30.0080.00816.54
7.4.20.0030.01516.52
7.4.10.0090.01216.50
7.4.00.0070.01016.50
7.3.330.0030.00316.23
7.3.320.0030.00313.38
7.3.310.0080.00016.48
7.3.300.0050.00316.34
7.3.290.0080.00716.44
7.3.280.0090.01216.42
7.3.260.0180.00416.37
7.3.230.0140.00316.66
7.3.210.0060.01216.41
7.3.200.0000.01616.34
7.3.190.0080.00816.64
7.3.180.0140.00316.27
7.3.170.0070.01016.56
7.3.160.0030.01316.43
7.3.150.0110.00716.71
7.3.140.0040.01516.31
7.3.130.0030.01316.54
7.3.120.0120.00416.61
7.3.110.0040.01416.52
7.3.100.0090.00616.35
7.3.90.0080.00816.33
7.3.80.0000.01716.59
7.3.70.0100.00616.36
7.3.60.0140.00316.44
7.3.50.0130.01016.43
7.3.40.0130.00316.33
7.3.30.0090.00616.46
7.3.20.0130.00316.31
7.3.10.0070.01016.36
7.3.00.0070.01516.50
7.2.330.0060.01016.40
7.2.320.0130.00316.32
7.2.310.0040.01416.53
7.2.300.0100.00716.56
7.2.290.0070.01016.75
7.2.280.0130.00316.78
7.2.270.0040.01816.55
7.2.260.0030.01416.64
7.2.250.0060.01216.44
7.2.240.0100.00716.43
7.2.230.0100.00616.61
7.2.220.0070.01016.53
7.2.210.0100.00716.50
7.2.200.0060.01216.49
7.2.190.0100.00716.50
7.2.180.0090.01516.51
7.2.170.0100.00716.30
7.2.160.0090.00916.43
7.2.150.0170.00016.41
7.2.140.0090.01216.46
7.2.130.0100.01316.61
7.2.120.0170.00716.52
7.2.110.0160.00716.52
7.2.100.0070.01416.59
7.2.90.0100.00716.40
7.2.80.0120.00616.34
7.2.70.0030.01616.31
7.2.60.0070.01116.43
7.2.50.0100.00716.42
7.2.40.0040.01316.46
7.2.30.0120.00616.61
7.2.20.0070.01016.68
7.2.10.0200.00316.67
7.2.00.0100.00716.63

preferences:
71.89 ms | 401 KiB | 5 Q