3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str1 = "aaa"; $str2 = "bb"; echo $str1 ^ $str2;

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)
8.3.60.0090.00916.75
8.3.50.0090.00716.51
8.3.40.0110.00418.67
8.3.30.0140.00018.55
8.3.20.0040.00418.60
8.3.10.0040.00420.53
8.3.00.0110.00017.50
8.2.180.0120.00616.63
8.2.170.0090.00622.96
8.2.160.0100.00621.08
8.2.150.0070.00024.18
8.2.140.0070.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00419.36
8.2.110.0000.00920.34
8.2.100.0090.00317.78
8.2.90.0000.00819.26
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0030.00617.78
8.2.50.0060.00318.07
8.2.40.0070.00318.09
8.2.30.0060.00318.08
8.2.20.0040.00417.66
8.2.10.0000.00817.71
8.2.00.0000.00817.70
8.1.280.0140.00325.92
8.1.270.0070.00024.66
8.1.260.0030.00626.35
8.1.250.0000.00728.09
8.1.240.0000.00923.92
8.1.230.0080.00317.42
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0060.00317.38
8.1.190.0040.00417.29
8.1.180.0090.00018.10
8.1.170.0060.00318.77
8.1.160.0000.00818.78
8.1.150.0070.00018.53
8.1.140.0000.00717.33
8.1.130.0070.00017.66
8.1.120.0060.00317.28
8.1.110.0000.00817.26
8.1.100.0040.00417.29
8.1.90.0030.00517.36
8.1.80.0000.01017.43
8.1.70.0040.00417.31
8.1.60.0030.00617.55
8.1.50.0000.00717.32
8.1.40.0040.00417.45
8.1.30.0040.00417.57
8.1.20.0040.00417.55
8.1.10.0050.00217.41
8.1.00.0000.00717.27
8.0.300.0040.00418.77
8.0.290.0080.00016.75
8.0.280.0030.00318.49
8.0.270.0000.00717.24
8.0.260.0000.00816.80
8.0.250.0040.00416.90
8.0.240.0000.00716.84
8.0.230.0040.00416.91
8.0.220.0070.00016.87
8.0.210.0000.00716.84
8.0.200.0040.00416.98
8.0.190.0000.00816.97
8.0.180.0040.00416.90
8.0.170.0080.00016.89
8.0.160.0000.00816.81
8.0.150.0040.00416.65
8.0.140.0040.00416.66
8.0.130.0030.00313.26
8.0.120.0000.00816.76
8.0.110.0030.00516.81
8.0.100.0030.00516.71
8.0.90.0040.00416.71
8.0.80.0090.00616.84
8.0.70.0000.00716.70
8.0.60.0000.00816.81
8.0.50.0030.00516.80
8.0.30.0160.00816.86
8.0.20.0120.00616.88
8.0.10.0050.00316.73
8.0.00.0120.00816.73
7.4.330.0000.00512.86
7.4.320.0000.00616.51
7.4.300.0030.00316.48
7.4.290.0030.00316.34
7.4.280.0040.00416.49
7.4.270.0000.00716.57
7.4.260.0000.00813.13
7.4.250.0080.00016.42
7.4.240.0030.00316.54
7.4.230.0000.00716.23
7.4.220.0120.01516.46
7.4.210.0090.00716.49
7.4.200.0030.00616.63
7.4.190.0030.00316.66
7.4.160.0140.00716.39
7.4.150.0060.01216.28
7.4.140.0100.00716.41
7.4.130.0120.00816.48
7.4.120.0100.00816.46
7.4.110.0140.00316.41
7.4.100.0170.00616.38
7.4.90.0090.00916.51
7.4.80.0130.00519.39
7.4.70.0090.01516.34
7.4.60.0070.01516.47
7.4.50.0020.00216.27
7.4.40.0030.00916.47
7.4.30.0070.01016.55
7.4.00.0000.01614.82
7.3.330.0030.00313.11
7.3.320.0000.00613.04
7.3.310.0030.00316.28
7.3.300.0030.00316.19
7.3.290.0030.01716.17
7.3.280.0080.00916.27
7.3.270.0150.00316.40
7.3.260.0130.00616.40
7.3.250.0110.00916.21
7.3.240.0100.00716.41
7.3.230.0070.01016.48
7.3.210.0130.00316.31
7.3.200.0160.00616.29
7.3.190.0040.01116.24
7.3.180.0070.01016.36
7.3.170.0060.00916.11
7.3.160.0100.00616.29
7.3.120.0080.00614.53
7.2.330.0090.00916.72
7.2.320.0070.01316.60
7.2.310.0080.01516.58
7.2.300.0100.00716.73
7.2.290.0040.01316.64
7.2.00.0030.01019.11
7.1.100.0070.00418.00
7.1.70.0040.00416.91
7.1.60.0100.01419.40
7.1.50.0070.01316.55
7.1.00.0000.08022.57
7.0.200.0100.00314.55
7.0.140.0070.07022.09
7.0.120.0070.06722.23
7.0.60.0030.07720.02
7.0.50.0070.07717.87
7.0.40.0170.07020.32
7.0.30.0570.07720.18
7.0.20.0230.05320.20
7.0.10.0300.07320.00
7.0.00.0070.06020.09
5.6.280.0030.07320.89
5.6.210.0030.07020.70
5.6.200.0170.04718.18
5.6.190.0100.04020.64
5.6.180.0300.08020.45
5.6.170.0430.07020.45
5.6.160.0100.06720.44
5.6.150.0030.05018.20
5.6.140.0000.05718.17
5.6.130.0100.08318.18
5.6.120.0030.05321.02
5.6.110.0100.09021.09
5.6.100.0170.06321.13
5.6.90.0070.08320.96
5.6.80.0100.03720.36
5.6.70.4200.04320.37
5.5.350.0170.08320.49
5.5.340.0100.07317.96
5.5.330.0100.05020.29
5.5.320.0270.04320.28
5.5.310.0300.04320.28
5.5.300.0030.07717.96
5.5.290.0100.07317.87
5.5.280.0070.08020.84
5.5.270.0030.04020.87
5.5.260.0070.04020.83
5.5.250.0170.07720.49
5.5.240.0100.06020.25
5.4.450.0170.04019.56
5.4.440.3830.04019.25
5.4.430.0230.05019.25
5.4.420.0270.03719.42
5.4.410.0030.06019.37
5.4.400.0170.04319.13
5.4.390.0130.05019.07
5.4.380.0200.05718.70
5.4.370.0000.04318.66
5.4.360.0100.04318.65
5.4.350.0060.03511.97
5.4.340.0070.04411.96
5.4.320.0040.04112.45
5.4.310.0100.03512.45
5.4.300.0060.04512.45
5.4.290.0060.04012.45
5.4.280.0060.03712.34
5.4.270.0060.04312.34
5.4.260.0060.04412.35
5.4.250.0060.04212.35
5.4.240.0080.03812.35
5.4.230.0060.03812.34
5.4.220.0060.03612.34
5.4.210.0060.03712.34
5.4.200.0070.04012.34
5.4.190.0080.03612.33
5.4.180.0100.03512.33
5.4.170.0060.04212.34
5.4.160.0070.04012.34
5.4.150.0080.03612.34
5.4.140.0080.04212.02
5.4.130.0060.04112.01
5.4.120.0070.04011.97
5.4.110.0080.03911.96
5.4.100.0080.04111.96
5.4.90.0090.04511.96
5.4.80.0050.05011.96
5.4.70.0080.03911.96
5.4.60.0100.04011.96
5.4.50.0080.04511.96
5.4.40.0100.04711.95
5.4.30.0090.04311.95
5.4.20.0090.04011.95
5.4.10.0050.03911.95
5.4.00.0050.03711.44
5.3.290.0070.04212.80
5.3.280.0100.04412.71
5.3.270.0090.04812.72
5.3.260.0070.04712.72
5.3.250.0100.04112.72
5.3.240.0080.04312.72
5.3.230.0050.04812.71
5.3.220.0080.04512.68
5.3.210.0080.04412.68
5.3.200.0060.04512.68
5.3.190.0100.04112.67
5.3.180.0080.04312.67
5.3.170.0070.04312.67
5.3.160.0090.04312.67
5.3.150.0070.04412.67
5.3.140.0080.04212.66
5.3.130.0090.04512.66
5.3.120.0080.04912.66
5.3.110.0070.04412.66
5.3.100.0070.04012.12
5.3.90.0100.03412.09
5.3.80.0090.03512.07
5.3.70.0070.03812.08
5.3.60.0050.03812.06
5.3.50.0060.03712.00
5.3.40.0060.03712.00

preferences:
56.44 ms | 400 KiB | 5 Q