3v4l.org

run code in 300+ PHP versions simultaneously
<?hh //strict error_reporting(-1); function f(int $x) { echo $x; } function g(?int $x) { echo $x; } f(); g();

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)
8.3.70.0130.00316.38
8.3.60.0210.00018.43
8.3.50.0100.01121.13
8.3.40.0110.00418.63
8.3.30.0140.00019.11
8.3.20.0050.00220.04
8.3.10.0040.00420.53
8.3.00.0040.00419.38
8.2.180.0100.01016.32
8.2.170.0120.00622.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00322.11
8.2.110.0100.00022.38
8.2.100.0080.00417.66
8.2.90.0020.00519.09
8.2.80.0030.00617.97
8.2.70.0080.00417.34
8.2.60.0000.00917.80
8.2.50.0040.00418.07
8.2.40.0060.00319.76
8.2.30.0040.00417.80
8.2.20.0030.00517.42
8.2.10.0040.00417.82
8.2.00.0050.00217.59
8.1.280.0110.00425.92
8.1.270.0000.00923.97
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0080.00322.18
8.1.230.0090.00317.52
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.21
8.1.190.0030.00517.22
8.1.180.0000.00718.10
8.1.170.0090.00018.61
8.1.160.0040.00421.84
8.1.150.0030.00518.75
8.1.140.0090.00017.35
8.1.130.0030.00317.66
8.1.120.0040.00417.28
8.1.110.0030.00517.32
8.1.100.0030.00417.32
8.1.90.0080.00017.33
8.1.80.0040.00417.34
8.1.70.0030.00317.23
8.1.60.0000.00817.50
8.1.50.0040.00417.40
8.1.40.0040.00417.29
8.1.30.0060.00317.47
8.1.20.0000.00717.41
8.1.10.0000.00717.41
8.1.00.0060.00317.36
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.24
8.0.270.0030.00317.10
8.0.260.0000.00617.12
8.0.250.0030.00316.88
8.0.240.0030.00316.72
8.0.230.0000.00816.81
8.0.220.0030.00316.74
8.0.210.0040.00416.64
8.0.200.0040.00416.84
8.0.190.0000.00916.80
8.0.180.0040.00416.83
8.0.170.0030.00516.77
8.0.160.0000.00816.80
8.0.150.0040.00416.76
8.0.140.0040.00416.63
8.0.130.0050.00013.45
8.0.120.0040.00416.78
8.0.110.0000.00816.60
8.0.100.0050.00216.53
8.0.90.0050.00216.63
8.0.80.0030.01216.71
8.0.70.0000.00716.82
8.0.60.0040.00416.56
8.0.50.0000.00816.81
8.0.30.0110.00817.01
8.0.20.0080.01217.40
8.0.10.0050.00316.94
8.0.00.0100.00716.88
7.4.330.0050.00015.12
7.4.320.0000.00616.45
7.4.300.0030.00316.46
7.4.290.0000.00716.36
7.4.280.0050.00316.36
7.4.270.0070.00016.47
7.4.260.0070.00016.39
7.4.250.0000.00816.37
7.4.240.0040.00316.39
7.4.230.0030.00316.25
7.4.220.0070.01016.31
7.4.210.0000.01316.37
7.4.200.0030.00516.31
7.4.160.0030.01316.34
7.4.150.0070.01017.40
7.4.140.0160.00217.86
7.4.130.0110.00816.27
7.4.120.0080.00816.25
7.4.110.0040.01216.21
7.4.100.0100.01316.53
7.4.90.0090.00916.42
7.4.80.0100.00619.39
7.4.70.0100.01016.35
7.4.60.0030.01316.26
7.4.50.0000.00416.23
7.4.40.0090.00816.54
7.4.30.0100.00616.30
7.3.330.0060.00013.28
7.3.320.0000.00513.24
7.3.310.0000.00716.27
7.3.300.0040.00416.13
7.3.290.0060.00916.13
7.3.280.0120.00516.11
7.3.270.0110.01317.40
7.3.260.0170.00016.35
7.3.250.0140.00716.14
7.3.240.0090.00616.22
7.3.230.0000.01616.42
7.3.210.0090.00916.20
7.3.200.0120.00719.39
7.3.190.0100.00916.21
7.3.180.0040.01216.29
7.3.170.0090.00616.27
7.3.160.0070.00716.19
7.2.330.0060.01216.49
7.2.320.0140.00316.32
7.2.310.0070.01016.57
7.2.300.0160.00016.32
7.2.290.0130.01016.43
5.4.320.0060.03712.45
5.4.310.0060.03712.45
5.4.300.0070.03512.45
5.4.290.0070.03612.45
5.4.280.0060.04012.35
5.4.270.0080.03612.34
5.4.260.0090.03812.35
5.4.250.0060.03612.34
5.4.240.0060.04012.34
5.4.230.0050.03812.34
5.4.220.0040.03912.34
5.4.210.0080.03812.34
5.4.200.0100.03312.34
5.4.190.0050.03712.33
5.4.180.0080.03412.33
5.4.170.0040.03712.35
5.4.160.0080.03312.34
5.4.150.0070.03412.34
5.4.140.0050.03712.02
5.4.130.0060.03512.01
5.4.120.0020.03811.96
5.4.110.0070.03311.96
5.4.100.0040.03611.96
5.4.90.0070.04011.96
5.4.80.0060.03611.96
5.4.70.0050.04111.96
5.4.60.0060.04111.96
5.4.50.0070.03311.96
5.4.40.0070.03211.95
5.4.30.0070.03711.95
5.4.20.0060.03411.95
5.4.10.0080.03911.95
5.4.00.0080.03311.43

preferences:
43.04 ms | 401 KiB | 5 Q