3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "test" + "test";

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)
8.3.40.0130.00618.67
8.3.30.0060.00920.22
8.3.20.0040.00420.66
8.3.10.0080.00021.05
8.3.00.0050.00322.42
8.2.170.0110.00422.96
8.2.160.0070.00720.47
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00320.94
8.2.110.0060.00319.32
8.2.100.0080.00417.91
8.2.90.0000.00719.25
8.2.80.0000.00719.42
8.2.70.0030.00517.38
8.2.60.0080.00017.80
8.2.50.0000.00918.07
8.2.40.0100.00018.03
8.2.30.0070.00019.43
8.2.20.0050.00217.70
8.2.10.0000.00717.55
8.2.00.0020.00517.58
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00322.47
8.1.230.0070.00420.96
8.1.220.0000.00818.77
8.1.210.0060.00318.77
8.1.200.0080.00417.23
8.1.190.0030.00617.40
8.1.180.0030.00518.10
8.1.170.0080.00018.43
8.1.160.0040.00418.83
8.1.150.0000.00918.50
8.1.140.0040.00417.32
8.1.130.0030.00317.62
8.1.120.0040.00417.33
8.1.110.0000.00817.28
8.1.100.0000.00717.34
8.1.90.0000.00717.32
8.1.80.0000.00717.32
8.1.70.0050.00317.14
8.1.60.0030.00517.33
8.1.50.0000.00817.39
8.1.40.0000.00717.41
8.1.30.0070.00017.59
8.1.20.0030.00517.62
8.1.10.0050.00217.48
8.1.00.0040.00417.44
8.0.300.0070.00020.04
8.0.290.0000.00717.05
8.0.280.0000.00718.34
8.0.270.0000.00717.09
8.0.260.0000.00616.81
8.0.250.0030.00317.01
8.0.240.0000.00916.98
8.0.230.0000.00716.90
8.0.220.0040.00416.88
8.0.210.0000.00716.77
8.0.200.0030.00316.83
8.0.190.0030.00316.93
8.0.180.0000.00716.94
8.0.170.0080.00016.95
8.0.160.0000.00816.86
8.0.150.0050.00316.82
8.0.140.0040.00416.74
8.0.130.0060.00013.19
8.0.120.0040.00416.76
8.0.110.0040.00416.88
8.0.100.0050.00216.95
8.0.90.0000.00716.74
8.0.80.0060.00916.83
8.0.70.0000.00816.95
8.0.60.0040.00417.00
8.0.50.0030.00516.93
8.0.30.0090.01016.96
8.0.20.0200.00017.40
8.0.10.0040.00416.94
8.0.00.0060.01216.70
7.4.330.0000.00616.72
7.4.320.0030.00316.51
7.4.300.0030.00316.58
7.4.290.0000.00716.57
7.4.280.0070.00016.55
7.4.270.0040.00416.52
7.4.260.0070.00013.25
7.4.250.0070.00016.33
7.4.240.0020.00516.54
7.4.230.0020.00516.51
7.4.220.0070.01016.43
7.4.210.0090.00816.50
7.4.200.0000.00616.23
7.4.190.0030.00316.62
7.4.160.0100.00616.36
7.4.150.0100.01317.40
7.4.140.0080.00817.86
7.4.130.0110.00716.48
7.4.120.0120.00716.44
7.4.110.0070.01016.61
7.4.100.0190.00316.28
7.4.90.0140.00316.37
7.4.80.0070.01019.39
7.4.70.0150.00916.54
7.4.60.0090.00916.36
7.4.50.0050.00316.36
7.4.40.0070.01122.77
7.4.30.0160.00616.59
7.4.00.0100.00314.97
7.3.330.0000.00612.92
7.3.320.0030.00312.90
7.3.310.0000.00716.16
7.3.300.0000.00716.19
7.3.290.0030.01016.21
7.3.280.0090.00816.22
7.3.270.0100.00717.40
7.3.260.0090.00918.24
7.3.250.0120.00716.38
7.3.240.0160.00616.45
7.3.230.0030.01316.45
7.3.210.0090.00916.50
7.3.200.0120.00619.39
7.3.190.0080.00816.17
7.3.180.0040.01116.48
7.3.170.0060.00916.29
7.3.160.0090.00616.19
7.3.120.0090.00614.82
7.2.330.0060.01816.25
7.2.320.0130.00416.29
7.2.310.0150.00316.20
7.2.300.0130.00316.48
7.2.290.0060.01016.55
7.2.60.0080.00416.86
7.2.00.0000.01018.90
7.1.200.0030.00715.59
7.1.100.0030.01018.27
7.1.70.0000.00816.72
7.1.60.0060.01819.17
7.1.50.0070.02016.68
7.1.00.0030.04022.51
7.0.200.0050.00216.34
7.0.140.0030.07022.09
7.0.60.0100.07719.84
7.0.50.0170.07017.66
7.0.40.0100.08020.40
7.0.30.0470.04020.12
7.0.20.0170.04320.09
7.0.10.0300.06720.09
7.0.00.0170.06320.15
5.6.280.0100.06720.81
5.6.210.0100.08020.62
5.6.200.0070.04718.22
5.6.190.0100.04020.27
5.6.180.0300.04720.77
5.6.170.0330.06020.50
5.6.160.0070.08720.49
5.6.150.0030.05018.21
5.6.140.0000.04318.14
5.6.130.0000.04318.09
5.6.120.0100.07720.89
5.6.110.0130.08021.05
5.6.100.0170.02720.96
5.6.90.0100.08020.96
5.6.80.0200.06720.41
5.6.70.0300.06020.48
5.5.350.0270.05320.31
5.5.340.0100.03018.02
5.5.330.0070.08320.57
5.5.320.0230.05020.37
5.5.310.0200.06020.30
5.5.300.0070.03717.91
5.5.290.0000.08717.93
5.5.280.0000.09020.75
5.5.270.0030.06720.86
5.5.260.0130.06020.87
5.5.250.0070.08320.77
5.5.240.0100.03720.27
5.4.450.0130.05319.49
5.4.440.0070.06719.43
5.4.430.0270.04319.43
5.4.420.0630.00019.31
5.4.410.0830.00019.31
5.4.400.0300.05018.80
5.4.390.0370.04718.57
5.4.380.0930.05318.60
5.4.370.0030.05018.45
5.4.360.0000.04718.67
5.4.350.0080.04711.97
5.4.340.0100.03911.96
5.4.320.0040.03812.45
5.4.310.0080.04312.45
5.4.300.0100.04712.45
5.4.290.0100.03812.45
5.4.280.0100.03212.34
5.4.270.0060.03612.35
5.4.260.0070.03812.35
5.4.250.0070.03712.35
5.4.240.0080.03612.35
5.4.230.0060.03912.34
5.4.220.0120.04312.33
5.4.210.0100.03912.33
5.4.200.0180.05212.33
5.4.190.0150.05012.32
5.4.180.0120.04112.32
5.4.170.0150.05212.34
5.4.160.0120.04212.33
5.4.150.0110.04212.33
5.4.140.0100.04512.01
5.4.130.0110.04112.00
5.4.120.0120.03811.96
5.4.110.0190.06111.95
5.4.100.0120.04211.95
5.4.90.0120.04511.95
5.4.80.0130.03811.95
5.4.70.0140.05411.95
5.4.60.0130.04511.95
5.4.50.0120.03811.95
5.4.40.0130.04011.93
5.4.30.0140.04011.94
5.4.20.0230.06011.93
5.4.10.0170.03811.94
5.4.00.0120.03911.42
5.3.290.0070.03912.80
5.3.280.0050.04012.71
5.3.270.0130.04312.72
5.3.260.0180.06812.72
5.3.250.0100.04312.72
5.3.240.0130.04212.72
5.3.230.0110.05712.71
5.3.220.0110.04312.68
5.3.210.0120.04512.68
5.3.200.0130.04212.68
5.3.190.0100.05112.67
5.3.180.0140.04912.67
5.3.170.0130.04812.67
5.3.160.0130.04712.68
5.3.150.0130.04712.67
5.3.140.0140.04512.66
5.3.130.0120.04612.66
5.3.120.0140.04412.66
5.3.110.0200.06412.66
5.3.100.0120.04312.12
5.3.90.0120.04012.08
5.3.80.0110.04312.07
5.3.70.0090.04412.07
5.3.60.0100.04112.06
5.3.50.0110.04012.00
5.3.40.0090.04312.00
5.3.30.0110.04311.94
5.3.20.0100.04311.71
5.3.10.0110.04011.68
5.3.00.0120.03811.66

preferences:
42.41 ms | 400 KiB | 5 Q