3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f(?int $x = null) { echo $x ? 'Present' . $x : 'Not present'; } f(); echo PHP_EOL; f(1);

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)
8.3.40.0120.00318.61
8.3.30.0100.00318.98
8.3.20.0040.00424.18
8.3.10.0000.00924.66
8.3.00.0050.00326.16
8.2.170.0110.01122.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0080.00026.16
8.2.110.0050.00521.12
8.2.100.0060.00617.72
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0000.00819.90
8.2.30.0050.00317.98
8.2.20.0040.00418.04
8.2.10.0040.00419.12
8.2.00.0000.00719.19
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0100.01022.65
8.1.230.0110.00017.70
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00917.23
8.1.180.0050.00318.10
8.1.170.0040.00418.41
8.1.160.0000.00818.75
8.1.150.0030.00318.67
8.1.140.0000.00718.72
8.1.130.0000.00720.10
8.1.120.0000.00717.39
8.1.110.0040.00417.30
8.1.100.0050.00217.20
8.1.90.0000.00817.29
8.1.80.0050.00217.21
8.1.70.0030.00317.23
8.1.60.0000.00817.53
8.1.50.0050.00217.50
8.1.40.0000.00717.37
8.1.30.0000.00817.53
8.1.20.0030.00517.62
8.1.10.0040.00417.39
8.1.00.0030.00517.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.30
8.0.270.0030.00318.04
8.0.260.0030.00320.17
8.0.250.0030.00316.92
8.0.240.0000.00616.78
8.0.230.0030.00316.85
8.0.220.0070.00016.76
8.0.210.0020.00516.70
8.0.200.0030.00316.85
8.0.190.0040.00316.88
8.0.180.0040.00416.74
8.0.170.0040.00416.80
8.0.160.0080.00016.90
8.0.150.0000.00816.79
8.0.140.0040.00416.86
8.0.130.0000.00513.21
8.0.120.0000.00816.67
8.0.110.0050.00316.84
8.0.100.0040.00416.93
8.0.90.0050.00316.56
8.0.80.0120.00416.73
8.0.70.0070.00016.66
8.0.60.0050.00316.79
8.0.50.0040.00416.54
8.0.30.0100.00717.24
8.0.20.0070.01316.79
8.0.10.0040.00417.00
8.0.00.0190.00016.79
7.4.330.0000.00515.55
7.4.320.0000.00716.45
7.4.300.0030.00316.47
7.4.290.0040.00416.54
7.4.280.0000.00816.50
7.4.270.0050.00216.46
7.4.260.0030.00313.22
7.4.250.0000.00716.49
7.4.240.0020.00516.46
7.4.230.0030.00316.18
7.4.220.0020.00516.30
7.4.210.0070.00816.50
7.4.200.0000.00716.53
7.4.130.0120.00916.46
7.4.120.0110.00716.43
7.4.110.0100.00716.48
7.4.100.0110.00616.58
7.4.90.0190.00416.51
7.4.80.0100.01319.39
7.4.70.0040.01416.52
7.4.60.0100.00716.48
7.4.50.0120.00916.04
7.4.40.0130.00315.84
7.4.30.0090.00916.02
7.4.20.0120.00916.25
7.4.10.0070.01516.57
7.4.00.0040.01416.24
7.3.330.0040.00416.41
7.3.320.0020.00313.25
7.3.310.0030.00316.36
7.3.300.0070.00016.31
7.3.290.0050.01116.31
7.3.260.0120.01216.46
7.3.240.0080.00716.43
7.3.230.0130.00316.55
7.3.210.0140.00316.16
7.3.200.0060.00916.45
7.3.190.0090.00616.28
7.3.180.0160.00616.55
7.3.170.0110.00716.43
7.3.160.0070.01116.37
7.3.150.0060.01416.22
7.3.140.0150.00616.38
7.3.130.0150.00616.01
7.3.120.0160.00316.16
7.3.110.0100.00716.35
7.3.100.0190.00416.09
7.3.90.0070.01016.18
7.3.80.0060.01216.34
7.3.70.0100.01016.02
7.3.60.0170.00016.12
7.3.50.0120.00616.28
7.3.40.0100.00716.17
7.3.30.0160.00616.24
7.3.20.0030.01516.19
7.3.10.0120.00916.33
7.3.00.0140.00516.14
7.2.330.0100.00716.68
7.2.320.0100.00716.52
7.2.310.0030.01416.39
7.2.300.0060.01016.57
7.2.290.0140.00716.33
7.2.280.0070.01416.51
7.2.270.0130.00916.36
7.2.260.0110.00716.17
7.2.250.0130.00616.30
7.2.240.0130.00816.07
7.2.230.0110.00816.25
7.2.220.0090.00916.16
7.2.210.0060.01216.05
7.2.200.0100.01416.21
7.2.190.0070.01016.02
7.2.180.0090.00916.05
7.2.170.0120.01216.21
7.2.160.0070.01716.23
7.2.150.0200.00716.32
7.2.140.0090.01216.18
7.2.130.0130.00616.12
7.2.120.0130.00616.29
7.2.110.0140.00716.30
7.2.100.0070.01116.20
7.2.90.0080.01316.49
7.2.80.0030.02516.22
7.2.70.0150.01216.35
7.2.60.0110.01416.49
7.2.50.0150.00415.93
7.2.40.0100.01016.45
7.2.30.0070.01716.57
7.2.20.0190.00016.16
7.2.10.0070.01416.05
7.2.00.0070.01316.47

preferences:
53.61 ms | 400 KiB | 5 Q