3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 2; $a << 1; prinf("%b", $a);

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)
8.3.60.0150.00416.63
8.3.50.0070.01116.58
8.3.40.0180.00018.83
8.3.30.0180.00018.73
8.3.20.0070.00020.34
8.3.10.0040.00421.85
8.3.00.0080.00023.48
8.2.180.0040.01118.29
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0030.00521.03
8.2.120.0070.00026.35
8.2.110.0090.00019.31
8.2.100.0000.01217.91
8.2.90.0040.00418.91
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0060.00618.09
8.2.40.0000.00822.38
8.2.30.0000.00719.35
8.2.20.0040.00417.66
8.2.10.0000.00818.04
8.2.00.0020.00518.11
8.1.280.0070.01025.92
8.1.270.0080.00021.81
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0040.00722.06
8.1.230.0030.00917.76
8.1.220.0080.00017.74
8.1.210.0070.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0050.00320.71
8.1.150.0060.00320.63
8.1.140.0040.00419.54
8.1.130.0000.01117.55
8.1.120.0000.00717.31
8.1.110.0030.00517.35
8.1.100.0030.00317.29
8.1.90.0000.00717.32
8.1.80.0040.00717.36
8.1.70.0030.00317.32
8.1.60.0020.00517.49
8.1.50.0030.00617.52
8.1.40.0050.00617.45
8.1.30.0040.00417.64
8.1.20.0000.00817.64
8.1.10.0040.00417.47
8.1.00.0070.00017.50
8.0.300.0030.00618.78
8.0.290.0040.00416.75
8.0.280.0000.00718.39
8.0.270.0030.00617.11
8.0.260.0030.00317.10
8.0.250.0030.00317.00
8.0.240.0000.00916.89
8.0.230.0030.00416.96
8.0.220.0000.00716.80
8.0.210.0000.00716.88
8.0.200.0000.00716.84
8.0.190.0000.01216.93
8.0.180.0040.00416.92
8.0.170.0000.00816.93
8.0.160.0000.00816.86
8.0.150.0050.00316.86
8.0.140.0000.01016.87
8.0.130.0050.00013.28
8.0.120.0040.00416.79
8.0.110.0040.00416.93
8.0.100.0040.00417.00
8.0.90.0040.00416.96
8.0.80.0150.00616.96
8.0.70.0030.00516.91
8.0.60.0000.00816.79
8.0.50.0040.00416.95
8.0.30.0140.00317.13
8.0.20.0110.00717.40
8.0.10.0030.00516.81
8.0.00.0090.00916.90
7.4.330.0050.00016.76
7.4.320.0000.00716.43
7.4.300.0050.00316.57
7.4.290.0030.00316.48
7.4.280.0080.00016.64
7.4.270.0030.00316.55
7.4.260.0060.00616.49
7.4.250.0000.00716.48
7.4.240.0070.00016.45
7.4.230.0070.00016.61
7.4.220.0160.01016.63
7.4.210.0080.00916.57
7.4.200.0070.00016.70
7.4.160.0100.00616.72
7.4.150.0070.01017.40
7.4.140.0110.01317.86
7.4.130.0080.00816.36
7.4.120.0130.00416.49
7.4.110.0100.01016.60
7.4.100.0060.01116.48
7.4.90.0070.01116.52
7.4.80.0060.01219.39
7.4.70.0070.01016.48
7.4.60.0030.01316.54
7.4.50.0110.00416.50
7.4.40.0160.00316.21
7.4.30.0130.00616.55
7.4.00.0000.01614.80
7.3.330.0030.00413.06
7.3.320.0000.00513.26
7.3.310.0040.00416.33
7.3.300.0030.00316.19
7.3.290.0030.00316.31
7.3.280.0090.00816.33
7.3.270.0070.01017.40
7.3.260.0100.01316.31
7.3.250.0130.00616.40
7.3.240.0110.00716.47
7.3.230.0090.01216.48
7.3.210.0140.00316.46
7.3.200.0070.01019.39
7.3.190.0090.00616.43
7.3.180.0100.01016.43
7.3.170.0070.01016.36
7.3.160.0040.01116.62
7.2.330.0130.00916.55
7.2.320.0110.01116.28
7.2.310.0100.01316.55
7.2.300.0070.01016.64
7.2.290.0100.00616.35
7.2.60.0100.00716.73
7.2.00.0000.01419.59
7.1.200.0080.00615.58
7.1.100.0070.00717.61
7.1.70.0000.00917.03
7.1.60.0120.01219.40
7.1.50.0070.01316.46
7.1.00.0030.07322.30
7.0.200.0860.01014.61
7.0.60.0200.08021.78
7.0.50.0070.07717.83
7.0.40.0030.04320.30
7.0.30.0270.07020.35
7.0.20.0300.07020.01
7.0.10.0000.05020.20
7.0.00.0000.04720.18
5.6.280.0030.04721.12
5.6.210.0070.08020.77
5.6.200.0100.06318.15
5.6.190.0070.08320.56
5.6.180.0330.07320.27
5.6.170.0270.05020.42
5.6.160.0030.06020.32
5.6.150.0100.03718.24
5.6.140.0030.04018.14
5.6.130.0100.08718.19
5.6.120.0130.06321.05
5.6.110.0070.08321.04
5.6.100.0170.06720.97
5.6.90.0030.07320.87
5.6.80.0200.07020.36
5.5.350.0330.07720.48
5.5.340.0100.08017.99
5.5.330.0100.08020.20
5.5.320.0170.05320.29
5.5.310.0270.08020.12
5.5.300.0130.07017.91
5.5.290.0070.08317.98
5.5.280.0130.07720.97
5.5.270.0070.04720.66
5.5.260.0000.07320.79
5.5.250.0100.04720.57
5.5.240.0170.03720.03

preferences:
56.97 ms | 400 KiB | 5 Q