3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array("a") + array("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)
8.3.60.0100.00718.43
8.3.50.0120.00721.14
8.3.40.0110.00718.84
8.3.30.0110.00320.39
8.3.20.0080.00020.40
8.3.10.0000.00820.96
8.3.00.0000.00723.65
8.2.180.0140.00716.50
8.2.170.0140.00022.96
8.2.160.0100.00620.44
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00421.19
8.2.110.0040.00422.25
8.2.100.0070.00317.84
8.2.90.0000.00819.13
8.2.80.0070.00019.21
8.2.70.0030.00617.38
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0050.00318.03
8.2.30.0000.00819.46
8.2.20.0040.00417.50
8.2.10.0000.00717.67
8.2.00.0040.00417.54
8.1.280.0140.00325.92
8.1.270.0080.00023.99
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0070.00422.50
8.1.230.0030.00720.95
8.1.220.0030.00618.77
8.1.210.0110.00018.91
8.1.200.0090.00017.23
8.1.190.0060.00317.53
8.1.180.0050.00318.10
8.1.170.0040.00418.46
8.1.160.0000.00718.81
8.1.150.0000.00718.60
8.1.140.0060.00317.33
8.1.130.0000.00717.81
8.1.120.0040.00417.26
8.1.110.0020.00517.38
8.1.100.0000.00717.41
8.1.90.0040.00417.39
8.1.80.0070.00017.27
8.1.70.0030.00317.29
8.1.60.0090.00017.52
8.1.50.0040.00417.30
8.1.40.0030.00517.41
8.1.30.0040.00417.41
8.1.20.0030.00617.52
8.1.10.0040.00417.44
8.1.00.0040.00417.29
8.0.300.0000.00719.85
8.0.290.0070.00017.16
8.0.280.0030.00318.34
8.0.270.0030.00317.18
8.0.260.0030.00316.86
8.0.250.0070.00016.99
8.0.240.0000.00816.84
8.0.230.0000.00716.91
8.0.220.0030.00316.88
8.0.210.0000.00716.80
8.0.200.0000.00716.84
8.0.190.0070.00016.90
8.0.180.0040.00416.96
8.0.170.0040.00416.90
8.0.160.0040.00416.88
8.0.150.0040.00316.83
8.0.140.0000.00816.88
8.0.130.0030.00313.30
8.0.120.0030.00516.91
8.0.110.0020.00516.85
8.0.100.0030.00316.76
8.0.90.0040.00416.82
8.0.80.0070.00716.82
8.0.70.0040.00416.92
8.0.60.0040.00416.90
8.0.50.0040.00416.80
8.0.30.0090.01017.04
8.0.20.0110.01017.40
8.0.10.0070.00016.86
8.0.00.0080.01216.73
7.4.330.0000.00516.70
7.4.320.0060.00016.49
7.4.300.0030.00316.51
7.4.290.0070.00016.52
7.4.280.0030.00316.57
7.4.270.0030.00316.58
7.4.260.0030.00313.23
7.4.250.0070.00016.39
7.4.240.0000.00716.36
7.4.230.0070.00016.55
7.4.220.0140.00416.39
7.4.210.0100.00616.48
7.4.200.0040.00416.41
7.4.190.0000.00816.47
7.4.160.0130.00316.30
7.4.150.0070.01017.40
7.4.140.0060.01317.86
7.4.130.0110.00516.39
7.4.120.0100.00816.42
7.4.110.0280.02816.42
7.4.100.0090.00616.33
7.4.90.0160.00616.52
7.4.80.0060.00919.39
7.4.70.0050.01116.25
7.4.60.0110.00716.41
7.4.50.0080.00016.09
7.4.40.0070.01022.77
7.4.30.0060.01316.28
7.4.00.0070.01114.95
7.3.330.0000.00513.07
7.3.320.0000.00612.98
7.3.310.0030.00316.14
7.3.300.0030.00316.13
7.3.290.0030.01016.18
7.3.280.0140.00616.14
7.3.270.0070.01017.40
7.3.260.0150.00618.24
7.3.250.0080.00916.30
7.3.240.0140.00916.21
7.3.230.0040.01216.39
7.3.210.0100.00716.34
7.3.200.0090.01419.39
7.3.190.0100.00716.43
7.3.180.0060.01116.20
7.3.170.0090.01216.27
7.3.160.0060.01016.08
7.3.120.0030.01014.81
7.2.330.0080.01116.26
7.2.320.0110.01116.45
7.2.310.0060.01516.32
7.2.300.0070.01016.14
7.2.290.0030.01316.19
7.1.70.0040.00416.68
7.1.60.0180.00719.17
7.1.50.0390.01016.85
7.1.00.0030.05322.30
7.0.200.0070.00016.35
7.0.140.0030.07321.92
7.0.60.0170.07319.85
7.0.50.0000.07317.88
7.0.40.0070.08020.30
7.0.30.0230.04320.16
7.0.20.0230.05320.20
7.0.10.0270.04320.16
7.0.00.0000.09320.19
5.6.280.0000.07321.03
5.6.210.0070.08320.54
5.6.200.0200.07018.13
5.6.190.0030.08720.27
5.6.180.3030.04320.56
5.6.170.0500.06320.38
5.6.160.0030.04320.50
5.6.150.0000.04018.21
5.6.140.0070.07018.11
5.6.130.0070.06018.22
5.6.120.0130.08020.98
5.6.110.0000.07720.88
5.6.100.0100.08021.01
5.6.90.0200.07321.12
5.6.80.0070.04320.50
5.6.70.0030.07020.27
5.5.350.0170.07720.45
5.5.340.0070.07317.89
5.5.330.0070.08020.42
5.5.320.0400.07320.24
5.5.310.0200.04320.26
5.5.300.0170.07017.93
5.5.290.0030.04017.90
5.5.280.0100.04020.97
5.5.270.0030.04020.94
5.5.260.0000.04320.84
5.5.250.0070.07020.46
5.5.240.0300.06720.18
5.4.450.0370.05719.54
5.4.440.0700.06019.32
5.4.430.0900.05319.52
5.4.420.0580.04319.46
5.4.410.0480.06519.19
5.4.400.0670.05219.03
5.4.390.0500.05519.07
5.4.380.0480.05718.80
5.4.370.0430.05318.88
5.4.360.0450.05218.69
5.4.350.0410.04815.38
5.4.340.0470.04415.59
5.4.320.0460.05115.83
5.4.310.0460.04615.78
5.4.300.0420.04915.78
5.4.290.0510.04415.72
5.4.280.0470.04615.59
5.4.270.0430.05115.75
5.4.260.0510.04915.69
5.4.250.0490.04715.59
5.4.240.0350.05015.73
5.4.230.2440.05215.82
5.4.220.0360.04614.60
5.4.210.0370.04814.60
5.4.200.0130.05013.76
5.4.190.0160.04114.61
5.4.180.0100.04914.61
5.4.170.0280.04814.57
5.4.160.0400.04414.64
5.4.150.0340.05014.61
5.4.140.0220.06313.41
5.4.130.0120.04713.50
5.4.120.0230.04113.41
5.4.110.0390.04313.35
5.4.100.0360.04513.47
5.4.90.0370.04213.42
5.4.80.0370.04413.43
5.4.70.0380.05313.36
5.4.60.0380.04713.42
5.4.50.0360.04613.36
5.4.40.0380.04313.42
5.4.30.0370.04813.44
5.4.20.0500.05913.34
5.4.10.0410.04513.35
5.4.00.0330.04612.90
5.3.290.0490.04013.64
5.3.280.0380.06013.66
5.3.270.0390.04913.29
5.3.260.0420.05113.35
5.3.250.0370.04813.30
5.3.240.0340.04713.29
5.3.230.0370.04213.33
5.3.220.0360.04813.27
5.3.210.0400.04313.32
5.3.200.0350.05413.26
5.3.190.0390.04513.28
5.3.180.0330.04513.23
5.3.170.0340.04413.27
5.3.160.0350.04613.27
5.3.150.0340.04613.31
5.3.140.0360.05213.22
5.3.130.0360.05113.26
5.3.120.0360.04713.29
5.3.110.0380.05213.24
5.3.100.0350.04412.73
5.3.90.0360.04612.73
5.3.80.0390.04612.68
5.3.70.0330.04812.72
5.3.60.0320.05612.64
5.3.50.0400.06112.60
5.3.40.0280.04412.61
5.3.30.0300.04012.55
5.3.20.0300.04212.31
5.3.10.0260.04812.28
5.3.00.0380.04012.29

preferences:
40.64 ms | 401 KiB | 5 Q