3v4l.org

run code in 300+ PHP versions simultaneously
<?php print("a" . "b");

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)
8.3.60.0070.01318.18
8.3.50.0240.00522.11
8.3.40.0070.01018.71
8.3.30.0100.01018.42
8.3.20.0080.00018.54
8.3.10.0000.00821.09
8.3.00.0070.00723.57
8.2.180.0140.00016.32
8.2.170.0090.00622.96
8.2.160.0100.00320.47
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0080.00019.54
8.2.110.0070.00420.47
8.2.100.0080.00317.78
8.2.90.0050.00319.08
8.2.80.0050.00317.97
8.2.70.0050.00517.63
8.2.60.0080.00017.92
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0000.00721.29
8.2.20.0000.00717.43
8.2.10.0020.00517.45
8.2.00.0030.00717.64
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.00922.29
8.1.230.0040.00720.91
8.1.220.0030.00618.77
8.1.210.0040.00418.82
8.1.200.0060.00317.22
8.1.190.0080.00019.19
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0080.00018.71
8.1.150.0000.00718.51
8.1.140.0000.00817.35
8.1.130.0070.00017.73
8.1.120.0030.00717.22
8.1.110.0090.00017.32
8.1.100.0070.00017.21
8.1.90.0000.00717.20
8.1.80.0040.00417.33
8.1.70.0040.00417.25
8.1.60.0050.00217.32
8.1.50.0030.00517.36
8.1.40.0080.00017.41
8.1.30.0000.00917.43
8.1.20.0040.00417.50
8.1.10.0040.00417.50
8.1.00.0040.00417.25
8.0.300.0070.00019.90
8.0.290.0050.00317.18
8.0.280.0040.00418.37
8.0.270.0000.00717.05
8.0.260.0070.00016.81
8.0.250.0040.00416.79
8.0.240.0030.00516.71
8.0.230.0000.00716.70
8.0.220.0050.00316.76
8.0.210.0000.00716.63
8.0.200.0030.00316.80
8.0.190.0050.00316.69
8.0.180.0040.00416.64
8.0.170.0030.00516.66
8.0.160.0040.00416.69
8.0.150.0030.00316.58
8.0.140.0030.00316.73
8.0.130.0000.00613.24
8.0.120.0000.00716.79
8.0.110.0040.00416.66
8.0.100.0000.00816.74
8.0.90.0000.00716.67
8.0.80.0030.01016.71
8.0.70.0000.00816.55
8.0.60.0080.00016.59
8.0.50.0040.00416.70
8.0.30.0140.00717.13
8.0.20.0100.00817.40
8.0.10.0000.00716.93
8.0.00.0140.00616.45
7.4.330.0060.00014.68
7.4.320.0030.00316.27
7.4.300.0000.00616.46
7.4.290.0040.00416.34
7.4.280.0000.00616.40
7.4.270.0000.00716.45
7.4.260.0030.00313.15
7.4.250.0000.00916.48
7.4.240.0000.00716.44
7.4.230.0030.00316.25
7.4.220.0110.00616.21
7.4.210.0060.01016.36
7.4.200.0000.00716.54
7.4.190.0030.00316.52
7.4.160.0070.00716.41
7.4.150.0100.00717.40
7.4.140.0120.00617.86
7.4.130.0080.00716.39
7.4.120.0060.01116.37
7.4.110.0100.00716.22
7.4.100.0070.01016.15
7.4.90.0100.00716.43
7.4.80.0060.01219.37
7.4.70.0090.00916.34
7.4.60.0090.00616.30
7.4.50.0060.00316.19
7.4.40.0070.01122.52
7.4.30.0080.00816.34
7.4.00.0030.01314.86
7.3.330.0050.00012.93
7.3.320.0130.00013.03
7.3.310.0000.00716.13
7.3.300.0000.00616.03
7.3.290.0150.00616.11
7.3.280.0100.00716.11
7.3.270.0060.01217.40
7.3.260.0100.01018.24
7.3.250.0110.00516.09
7.3.240.0140.00316.07
7.3.230.0130.00316.39
7.3.210.0140.00416.12
7.3.200.0030.01319.39
7.3.190.0170.00016.38
7.3.180.0130.00316.38
7.3.170.0040.01716.36
7.3.160.0060.00916.35
7.3.120.0090.00614.81
7.2.330.0130.00316.65
7.2.320.0140.00316.29
7.2.310.0130.00616.49
7.2.300.0140.00316.13
7.2.290.0080.01616.16
7.2.00.0070.00719.21
7.1.100.0130.00317.84
7.1.70.0000.00717.04
7.1.60.0030.01219.40
7.1.50.0090.01216.74
7.1.00.0030.06022.40
7.0.200.0000.01016.66
7.0.140.0000.07722.07
7.0.60.0070.05020.01
7.0.50.0030.04317.88
7.0.40.0130.08320.29
7.0.30.0300.07320.17
7.0.20.0370.07320.09
7.0.10.0030.06320.01
7.0.00.0000.04320.22
5.6.280.0130.06321.07
5.6.210.0070.07320.69
5.6.200.0070.04718.12
5.6.190.0130.07320.77
5.6.180.3700.04720.35
5.6.170.0330.05020.38
5.6.160.0100.08020.47
5.6.150.0030.07318.12
5.6.140.0130.07718.12
5.6.130.0070.08018.21
5.6.120.0100.03720.98
5.6.110.0100.07720.97
5.6.100.0070.08321.08
5.6.90.0130.08021.00
5.6.80.0030.08020.46
5.6.70.4630.03320.51
5.5.350.0100.08020.48
5.5.340.0130.06317.92
5.5.330.0030.08020.40
5.5.320.0300.05320.29
5.5.310.0370.07320.30
5.5.300.0070.04317.99
5.5.290.0230.06317.89
5.5.280.0100.08020.64
5.5.270.0230.04020.76
5.5.260.0000.06720.79
5.5.250.0000.04320.68
5.5.240.0100.07320.26
5.4.450.0430.06319.57
5.4.440.0770.06019.40
5.4.430.0900.05019.59
5.4.420.0070.05719.46
5.4.410.0100.08018.68
5.4.400.0170.04718.54
5.4.390.0100.05018.63
5.4.380.0230.04718.56
5.4.370.0100.05718.60
5.4.360.0100.05018.56
5.4.350.0080.03311.97
5.4.340.0040.03811.97
5.4.320.0080.03412.45
5.4.310.0070.04512.45
5.4.300.0080.04112.45
5.4.290.0060.04312.45
5.4.280.0060.04112.35
5.4.270.0070.04112.35
5.4.260.0070.04112.35
5.4.250.0060.04312.34
5.4.240.0050.04312.35
5.4.230.0070.04712.34
5.4.220.0070.04012.34
5.4.210.0070.04112.34
5.4.200.0080.04312.34
5.4.190.0100.04212.33
5.4.180.0100.04212.33
5.4.170.0090.04112.34
5.4.160.0080.04112.34
5.4.150.0100.04212.34
5.4.140.0080.04312.02
5.4.130.0100.04112.01
5.4.120.0130.03911.96
5.4.110.0100.04411.96
5.4.100.0120.04611.96
5.4.90.0120.04811.96
5.4.80.0120.04511.96
5.4.70.0110.04211.96
5.4.60.0100.04411.96
5.4.50.0100.04211.96
5.4.40.0110.04111.95
5.4.30.0110.04011.95
5.4.20.0100.03811.95
5.4.10.0090.03811.95
5.4.00.0090.03911.43
5.3.290.0090.05212.80
5.3.280.0070.04312.71
5.3.270.0100.04312.72
5.3.260.0150.04112.72
5.3.250.0170.05112.72
5.3.240.0120.04012.72
5.3.230.0110.04412.71
5.3.220.0110.04512.68
5.3.210.0070.05312.68
5.3.200.0070.05112.68
5.3.190.0140.04312.68
5.3.180.0120.04512.67
5.3.170.0130.04512.67
5.3.160.0120.04312.67
5.3.150.0110.04812.67
5.3.140.0100.04412.66
5.3.130.0150.04512.66
5.3.120.0100.04612.66
5.3.110.0150.04212.66
5.3.100.0100.04112.12
5.3.90.0110.04112.08
5.3.80.0100.04112.08
5.3.70.0110.04012.08
5.3.60.0100.04312.06
5.3.50.0140.03812.00
5.3.40.0080.04112.00
5.3.30.0090.03911.94
5.3.20.0090.04011.72
5.3.10.0070.04011.69
5.3.00.0080.04111.68

preferences:
43.09 ms | 401 KiB | 5 Q