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($n - 1); } for($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)
8.3.60.0070.01416.35
8.3.50.0150.00716.55
8.3.40.0090.00918.70
8.3.30.0090.00618.45
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0030.00726.16
8.2.180.0040.01125.92
8.2.170.0120.00318.99
8.2.160.0130.00722.96
8.2.150.0030.00525.66
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00026.35
8.2.110.0080.00320.39
8.2.100.0000.01217.72
8.2.90.0060.00317.63
8.2.80.0040.00418.78
8.2.70.0080.00017.63
8.2.60.0050.00317.50
8.2.50.0080.00018.05
8.2.40.0000.00718.09
8.2.30.0050.00218.08
8.2.20.0040.00417.99
8.2.10.0000.00719.20
8.2.00.0040.00419.25
8.1.280.0150.00625.92
8.1.270.0030.00623.99
8.1.260.0080.00028.09
8.1.250.0060.00328.09
8.1.240.0090.00020.96
8.1.230.0040.00821.03
8.1.220.0040.00418.57
8.1.210.0080.00018.77
8.1.200.0000.00817.39
8.1.190.0000.00817.25
8.1.180.0080.00018.10
8.1.170.0030.00518.56
8.1.160.0040.00418.84
8.1.150.0060.00318.84
8.1.140.0000.00718.79
8.1.130.0030.00519.99
8.1.120.0000.00817.44
8.1.110.0000.00717.44
8.1.100.0040.00417.34
8.1.90.0030.00417.46
8.1.80.0040.00417.39
8.1.70.0030.00317.44
8.1.60.0000.00817.57
8.1.50.0030.00517.42
8.1.40.0090.00017.41
8.1.30.0000.00817.49
8.1.20.0000.00717.52
8.1.10.0000.00717.55
8.1.00.0040.00417.52
8.0.300.0090.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00720.20
8.0.270.0070.00018.06
8.0.260.0030.00320.11
8.0.250.0030.00616.87
8.0.240.0070.00016.92
8.0.230.0030.00316.79
8.0.220.0080.00016.73
8.0.210.0040.00416.86
8.0.200.0000.00716.89
8.0.190.0080.00016.84
8.0.180.0050.00216.69
8.0.170.0000.00916.75
8.0.160.0070.00016.94
8.0.150.0040.00416.66
8.0.140.0040.00416.86
8.0.130.0050.00013.31
8.0.120.0030.00516.80
8.0.110.0040.00416.80
8.0.100.0070.00016.74
8.0.90.0070.00016.90
8.0.80.0100.00916.76
8.0.70.0030.00516.71
8.0.60.0060.00316.72
8.0.50.0000.00716.88
8.0.30.0070.01717.34
8.0.20.0070.01216.88
8.0.10.0000.00816.96
8.0.00.0080.00816.73
7.4.330.0050.00015.55
7.4.320.0030.00316.50
7.4.300.0060.00016.44
7.4.290.0040.00416.64
7.4.280.0000.00716.64
7.4.270.0000.00716.57
7.4.260.0030.00313.20
7.4.250.0020.00416.39
7.4.240.0000.00716.52
7.4.230.0040.00416.61
7.4.220.0000.00716.54
7.4.210.0060.01216.56
7.4.200.0070.00016.61
7.4.130.0120.00816.49
7.4.120.0080.01116.40
7.4.110.0140.00816.32
7.4.100.0150.00616.48
7.4.90.0100.00716.62
7.4.80.0060.01216.40
7.4.70.0130.00316.63
7.4.60.0140.00616.52
7.4.50.0090.00616.43
7.4.40.0080.00816.43
7.4.30.0090.00616.35
7.4.20.0080.00816.47
7.4.10.0120.00616.32
7.4.00.0120.00416.51
7.3.330.0030.00316.41
7.3.320.0050.00013.23
7.3.310.0030.00316.46
7.3.300.0030.00316.45
7.3.290.0080.00816.33
7.3.280.0040.01116.27
7.3.260.0070.01116.52
7.3.230.0130.00916.59
7.3.210.0100.01716.24
7.3.200.0100.01316.47
7.3.190.0040.01316.45
7.3.180.0060.01216.54
7.3.170.0100.00716.63
7.3.160.0100.00616.36
7.3.150.0110.00416.34
7.3.140.0090.01016.44
7.3.130.0090.00616.30
7.3.120.0080.00816.58
7.3.110.0110.01116.37
7.3.100.0060.01116.24
7.3.90.0070.01016.58
7.3.80.0090.01216.35
7.3.70.0060.01616.33
7.3.60.0070.01316.45
7.3.50.0090.01216.27
7.3.40.0120.00616.33
7.3.30.0140.00316.33
7.3.20.0060.01316.38
7.3.10.0110.00716.12
7.3.00.0090.00916.46
7.2.330.0120.00616.50
7.2.320.0140.00316.65
7.2.310.0070.01216.69
7.2.300.0150.00416.38
7.2.290.0100.00716.50
7.2.280.0040.01216.60
7.2.270.0060.00916.54
7.2.260.0130.00316.63
7.2.250.0030.01316.68
7.2.240.0030.01416.67
7.2.230.0100.00716.63
7.2.220.0120.00916.68
7.2.210.0150.00616.48
7.2.200.0040.01816.59
7.2.190.0090.01216.52
7.2.180.0060.01016.74
7.2.170.0040.01516.59
7.2.160.0000.01716.50
7.2.150.0130.01016.54
7.2.140.0090.00916.55
7.2.130.0060.01216.57
7.2.120.0140.00316.69
7.2.110.0130.01016.61
7.2.100.0120.00616.65
7.2.90.0090.00916.50
7.2.80.0090.00916.57
7.2.70.0160.01016.63
7.2.60.0030.01416.53
7.2.50.0120.00616.52
7.2.40.0120.00616.60
7.2.30.0070.01016.64
7.2.20.0120.00616.61
7.2.10.0090.01316.59
7.2.00.0120.00916.66

preferences:
76.36 ms | 401 KiB | 5 Q