3v4l.org

run code in 300+ PHP versions simultaneously
<?php $attempts = array(); $localTaskId = 3; $x = &$attempts[$localTaskId]; isset ($attempts[$localTaskId]) ? (++ $attempts[$localTaskId]) : ($attempts[$localTaskId] = 1); $attempts[$localTaskId] = $x; echo $attempts[$localTaskId]."\n"; isset ($attempts[$localTaskId]) ? (++ $attempts[$localTaskId]) : ($attempts[$localTaskId] = 1); echo $attempts[$localTaskId]."\n";

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)
8.3.60.0090.00916.50
8.3.50.0110.01222.18
8.3.40.0110.00418.83
8.3.30.0040.01119.17
8.3.20.0040.00420.18
8.3.10.0000.00823.61
8.3.00.0040.00420.56
8.2.180.0040.01118.16
8.2.170.0110.00422.96
8.2.160.0000.01522.11
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0070.00022.12
8.2.110.0030.00622.25
8.2.100.0080.00417.72
8.2.90.0040.00419.25
8.2.80.0030.00518.15
8.2.70.0040.00417.50
8.2.60.0090.00017.93
8.2.50.0040.00418.07
8.2.40.0050.00318.28
8.2.30.0000.00718.03
8.2.20.0070.00017.62
8.2.10.0050.00319.57
8.2.00.0040.00417.54
8.1.280.0100.01025.92
8.1.270.0070.00723.97
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0090.00023.92
8.1.230.0060.00619.17
8.1.220.0040.00417.75
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00717.28
8.1.180.0000.00818.10
8.1.170.0000.00818.64
8.1.160.0000.00922.01
8.1.150.0000.00818.54
8.1.140.0080.00017.43
8.1.130.0000.00717.81
8.1.120.0000.00817.44
8.1.110.0000.00717.46
8.1.100.0000.00717.49
8.1.90.0040.00417.43
8.1.80.0080.00017.41
8.1.70.0000.00817.36
8.1.60.0000.00817.52
8.1.50.0000.00817.54
8.1.40.0000.00717.51
8.1.30.0030.00617.49
8.1.20.0000.00817.69
8.1.10.0040.00417.42
8.1.00.0050.00317.45
8.0.300.0000.00718.77
8.0.290.0030.00517.16
8.0.280.0030.00318.34
8.0.270.0030.00317.16
8.0.260.0000.00816.81
8.0.250.0070.00016.90
8.0.240.0070.00016.93
8.0.230.0030.00316.92
8.0.220.0000.00716.79
8.0.210.0030.00316.84
8.0.200.0040.00416.91
8.0.190.0040.00416.83
8.0.180.0000.00716.88
8.0.170.0030.00616.84
8.0.160.0000.00817.02
8.0.150.0040.00416.72
8.0.140.0000.00716.83
8.0.130.0060.00013.27
8.0.120.0050.00316.90
8.0.110.0070.00016.81
8.0.100.0000.00716.68
8.0.90.0040.00416.83
8.0.80.0000.01516.93
8.0.70.0050.00316.77
8.0.60.0000.00716.77
8.0.50.0070.00016.71
8.0.30.0150.00816.92
8.0.20.0060.01217.40
8.0.10.0040.00417.01
8.0.00.0070.01416.60
7.4.330.0000.00515.00
7.4.320.0030.00316.52
7.4.300.0070.00016.43
7.4.290.0030.00316.50
7.4.280.0000.00616.32
7.4.270.0000.00716.45
7.4.260.0000.00716.47
7.4.250.0070.00016.38
7.4.240.0070.00016.51
7.4.230.0070.00016.27
7.4.220.0100.01016.39
7.4.210.0120.00516.45
7.4.200.0000.00816.57
7.4.190.0000.00716.54
7.4.160.0040.01116.24
7.4.150.0160.00317.40
7.4.140.0120.01017.86
7.4.130.0080.01316.54
7.4.120.0110.00816.59
7.4.110.0110.01116.46
7.4.100.0200.00716.50
7.4.90.0150.00616.54
7.4.80.0030.01816.50
7.4.70.0130.00316.34
7.4.60.0000.01516.36
7.4.50.0040.00416.48
7.4.40.0060.01022.77
7.4.30.0130.01016.71
7.4.00.0060.01015.04
7.3.330.0030.00313.25
7.3.320.0050.00013.13
7.3.310.0040.00416.24
7.3.300.0030.00316.35
7.3.290.0070.00716.37
7.3.280.0110.00816.34
7.3.270.0030.01417.40
7.3.260.0130.00416.34
7.3.250.0110.00616.58
7.3.240.0110.00616.36
7.3.230.0090.00616.40
7.3.210.0030.01416.42
7.3.200.0060.01519.39
7.3.190.0080.00816.64
7.3.180.0000.01516.28
7.3.170.0200.00316.53
7.3.160.0060.01016.62
7.3.120.0060.01214.88
7.2.330.0100.00716.67
7.2.320.0200.00316.60
7.2.310.0060.01616.66
7.2.300.0110.01216.36
7.2.290.0080.01516.57
7.2.00.0000.01519.48
7.1.200.0070.00715.74
7.1.100.0030.00818.41
7.1.70.0000.01217.19
7.1.60.0060.01519.27
7.1.50.0110.01116.92
7.1.00.0070.07322.32
7.0.200.0040.00416.63
7.0.140.0030.07321.97
7.0.60.0070.04719.95
7.0.50.0100.07317.81
7.0.40.0070.04320.12
7.0.30.0230.05720.18
7.0.20.0270.08320.09
7.0.10.0130.08320.20
7.0.00.0100.05320.08
5.6.280.0100.06721.14
5.6.210.0070.08020.50
5.6.200.0130.06318.21
5.6.190.0030.04320.41
5.6.180.0470.07720.66
5.6.170.0300.06320.52
5.6.160.0200.04720.50
5.6.150.0070.08018.13
5.6.140.0130.06718.21
5.6.130.0170.07018.21
5.6.120.0270.03721.00
5.6.110.0100.08021.00
5.6.100.0030.05320.98
5.6.90.0130.07020.99
5.6.80.0070.04320.50
5.5.350.0300.07320.52
5.5.340.0170.07017.92
5.5.330.0030.08320.37
5.5.320.0330.06320.28
5.5.310.0400.07020.28
5.5.300.0100.07717.95
5.5.290.0070.08318.01
5.5.280.0000.09320.98
5.5.270.0000.04320.84
5.5.260.0130.07720.95
5.5.250.0100.05020.68
5.5.240.0000.07720.13
5.4.450.0570.06319.57
5.4.440.0770.05319.27
5.4.430.0070.06019.14
5.4.420.0070.05719.44
5.4.410.0230.04018.88
5.4.400.0070.05318.70
5.4.390.0130.05018.59
5.4.380.0230.05718.74
5.4.370.0170.04718.61
5.4.360.0130.05318.64
5.4.350.0100.06018.57
5.4.340.0170.05018.75
5.4.320.0080.03412.45
5.4.310.0050.03812.45
5.4.300.0050.03712.45
5.4.290.0070.03512.45
5.4.280.0080.03912.34
5.4.270.0070.03512.35
5.4.260.0070.05212.35
5.4.250.0060.04312.35
5.4.240.0050.03712.34
5.4.230.0070.03712.34
5.4.220.0080.03312.34
5.4.210.0070.03412.34
5.4.200.0020.04012.34
5.4.190.0190.04012.31
5.4.180.0120.04812.31
5.4.170.0390.08212.33
5.4.160.0140.04612.32
5.4.150.0120.04612.32
5.4.140.0210.06612.00
5.4.130.0140.04411.99
5.4.120.0120.04411.95
5.4.110.0110.04511.94
5.4.100.0140.04511.95
5.4.90.0120.04611.94
5.4.80.0170.04111.94
5.4.70.0180.06911.94
5.4.60.0160.04311.93
5.4.50.0340.09011.93
5.4.40.0190.03711.92
5.4.30.0130.04411.93
5.4.20.0140.04111.92
5.4.10.0170.03811.93
5.4.00.0160.03911.41
5.3.290.0060.04012.80
5.3.280.0060.04112.71
5.3.270.0140.04512.73
5.3.260.0200.04212.72
5.3.250.0160.04312.72
5.3.240.0140.04512.72
5.3.230.0240.06612.71
5.3.220.0170.04212.68
5.3.210.0150.04412.68
5.3.200.0140.04612.68
5.3.190.0230.06812.67
5.3.180.0160.04312.68
5.3.170.0180.04112.67
5.3.160.0200.04112.67
5.3.150.0170.04212.67
5.3.140.0220.06712.66
5.3.130.0220.03912.65
5.3.120.0170.04312.65
5.3.110.0160.04512.66
5.3.100.0180.04312.12
5.3.90.0360.08212.08
5.3.80.0160.04312.08
5.3.70.0170.04212.07
5.3.60.0180.04012.06
5.3.50.0160.04312.00
5.3.40.0200.03912.00
5.3.30.0130.04411.94
5.3.20.0150.04211.70
5.3.10.0140.04211.67
5.3.00.0150.04011.65
5.2.170.0360.0709.16
5.2.160.0150.0319.16
5.2.150.0120.0349.16
5.2.140.0150.0319.16
5.2.130.0090.0369.12
5.2.120.0110.0349.12
5.2.110.0130.0359.12
5.2.100.0080.0389.12
5.2.90.0120.0339.12
5.2.80.0140.0329.11
5.2.70.0100.0369.10
5.2.60.0120.0359.07
5.2.50.0120.0359.04
5.2.40.0120.0359.02
5.2.30.0150.0318.98
5.2.20.0230.0848.98
5.2.10.0120.0348.91
5.2.00.0130.0318.77
5.1.60.0140.0258.05
5.1.50.0090.0328.05
5.1.40.0120.0308.04
5.1.30.0110.0338.38
5.1.20.0110.0328.41
5.1.10.0180.0568.13
5.1.00.0140.0278.13
5.0.50.0070.0276.61
5.0.40.0080.0256.46
5.0.30.0060.0406.29
5.0.20.0070.0256.25
5.0.10.0110.0206.23
5.0.00.0070.0386.22
4.4.90.0050.0204.78
4.4.80.0060.0194.75
4.4.70.0090.0174.75
4.4.60.0070.0204.76
4.4.50.0060.0204.77
4.4.40.0110.0544.71
4.4.30.0060.0194.76
4.4.20.0100.0154.85
4.4.10.0070.0174.85
4.4.00.0060.0294.75
4.3.110.0070.0174.67
4.3.100.0060.0174.67
4.3.90.0010.0224.63
4.3.80.0070.0274.58
4.3.70.0110.0134.63
4.3.60.0070.0174.62
4.3.50.0090.0154.63
4.3.40.0090.0254.54
4.3.30.0050.0193.29
4.3.20.0030.0213.27
4.3.10.0050.0203.23
4.3.00.0100.0236.64

preferences:
44.44 ms | 401 KiB | 5 Q