3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(); $arr[sizeof($arr)] = 'a'; $arr[sizeof($arr)] = 'b'; $arr[sizeof($arr)] = 'c'; //echo sizeof($arr); print_r($arr);

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)
8.3.60.0150.00016.38
8.3.50.0110.00722.00
8.3.40.0080.00818.70
8.3.30.0120.00318.95
8.3.20.0060.00320.21
8.3.10.0190.00023.68
8.3.00.0080.00020.63
8.2.180.0030.01218.41
8.2.170.0070.01422.96
8.2.160.0100.00322.08
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0020.00522.25
8.2.110.0040.00422.20
8.2.100.0060.00617.91
8.2.90.0030.00619.05
8.2.80.0030.00618.03
8.2.70.0040.00717.50
8.2.60.0050.00318.05
8.2.50.0030.00518.07
8.2.40.0000.00718.34
8.2.30.0030.00617.98
8.2.20.0050.00317.56
8.2.10.0080.00019.40
8.2.00.0000.00817.66
8.1.280.0160.00625.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0030.00528.09
8.1.240.0030.00623.69
8.1.230.0000.01219.23
8.1.220.0040.00417.79
8.1.210.0090.00018.77
8.1.200.0070.00317.36
8.1.190.0030.00617.55
8.1.180.0000.00818.10
8.1.170.0040.00418.54
8.1.160.0050.00322.06
8.1.150.0000.00718.54
8.1.140.0000.00817.38
8.1.130.0030.00317.86
8.1.120.0040.00417.43
8.1.110.0050.00317.45
8.1.100.0040.00417.43
8.1.90.0040.00417.46
8.1.80.0000.00717.41
8.1.70.0000.00717.40
8.1.60.0040.00417.59
8.1.50.0030.00517.40
8.1.40.0050.00317.48
8.1.30.0060.00317.64
8.1.20.0030.00617.61
8.1.10.0030.00517.53
8.1.00.0000.00817.34
8.0.300.0040.00418.77
8.0.290.0040.00417.16
8.0.280.0030.00318.37
8.0.270.0040.00417.02
8.0.260.0040.00418.55
8.0.250.0040.00416.79
8.0.240.0040.00416.71
8.0.230.0000.00716.95
8.0.220.0040.00416.75
8.0.210.0070.00016.72
8.0.200.0000.00716.92
8.0.190.0000.00816.89
8.0.180.0040.00416.73
8.0.170.0000.00916.92
8.0.160.0040.00416.91
8.0.150.0000.00716.88
8.0.140.0080.00016.72
8.0.130.0050.00013.31
8.0.120.0000.00716.87
8.0.110.0040.00416.79
8.0.100.0040.00416.71
8.0.90.0000.00716.82
8.0.80.0060.01016.83
8.0.70.0000.00716.77
8.0.60.0040.00416.75
8.0.50.0040.00416.79
8.0.30.0110.00816.92
8.0.20.0100.00717.40
8.0.10.0080.00017.01
8.0.00.0090.00816.67
7.4.330.0030.00315.00
7.4.320.0030.00316.46
7.4.300.0000.00616.47
7.4.290.0030.00716.55
7.4.280.0070.00016.38
7.4.270.0040.00416.39
7.4.260.0070.00016.48
7.4.250.0030.00316.45
7.4.240.0020.00516.54
7.4.230.0000.00716.66
7.4.220.0030.01616.49
7.4.210.0070.00716.60
7.4.200.0040.00416.70
7.4.190.0030.00516.54
7.4.160.0150.00016.42
7.4.150.0030.01317.40
7.4.140.0170.00017.86
7.4.130.0120.00816.55
7.4.120.0110.01016.33
7.4.110.0100.00916.44
7.4.100.0130.00916.43
7.4.90.0140.00316.53
7.4.80.0090.00916.54
7.4.70.0000.01716.20
7.4.60.0100.00516.41
7.4.50.0040.00016.22
7.4.40.0030.01222.77
7.4.30.0120.00416.53
7.4.00.0110.00415.06
7.3.330.0050.00012.95
7.3.320.0050.00013.04
7.3.310.0030.00316.13
7.3.300.0070.00016.10
7.3.290.0030.01316.15
7.3.280.0050.01016.18
7.3.270.0030.01317.40
7.3.260.0130.00316.44
7.3.250.0020.01516.23
7.3.240.0090.00616.29
7.3.230.0090.00916.39
7.3.210.0120.00616.42
7.3.200.0100.01019.39
7.3.190.0170.00816.20
7.3.180.0030.01316.42
7.3.170.0120.01016.27
7.3.160.0130.00316.47
7.3.120.0070.01014.88
7.3.10.0040.00716.61
7.3.00.0030.01316.65
7.2.330.0140.00416.59
7.2.320.0100.01316.18
7.2.310.0030.01416.61
7.2.300.0030.01316.34
7.2.290.0050.01116.61
7.2.130.0070.00716.65
7.2.120.0030.01016.79
7.2.110.0030.00916.80
7.2.100.0030.00916.75
7.2.90.0070.00716.74
7.2.80.0060.00316.78
7.2.70.0030.01116.88
7.2.60.0030.00916.73
7.2.50.0060.00616.69
7.2.40.0060.00616.55
7.2.30.0030.01216.63
7.2.20.0060.00816.64
7.2.10.0100.00316.82
7.2.00.0160.00617.82
7.1.250.0040.01015.82
7.1.100.0060.00617.81
7.1.70.0070.00717.23
7.1.60.0100.01419.29
7.1.50.0030.02316.76
7.1.00.0000.07722.28
7.0.200.0110.00016.79
7.0.140.0000.07722.12
7.0.60.0230.07019.77
7.0.50.0130.04017.83
7.0.40.0070.04020.09
7.0.30.0400.07020.21
7.0.20.0200.05020.24
7.0.10.0170.04320.20
7.0.00.0030.09720.08
5.6.280.0070.07321.05
5.6.210.0070.06020.72
5.6.200.0070.07718.18
5.6.190.0100.05320.47
5.6.180.0000.09020.47
5.6.170.0230.06320.54
5.6.160.0030.06320.54
5.6.150.0030.08018.18
5.6.140.0100.04318.21
5.6.130.0100.05318.18
5.6.120.0130.08321.11
5.6.110.0030.05320.88
5.6.100.0070.04021.00
5.6.90.0070.07020.96
5.6.80.0070.08020.32
5.6.70.1370.03020.36
5.5.350.0100.05020.45
5.5.340.0030.04718.09
5.5.330.0030.04020.27
5.5.320.0030.07720.24
5.5.310.0270.05020.50
5.5.300.0100.05318.08
5.5.290.0030.08317.98
5.5.280.0070.04720.86
5.5.270.0100.03720.79
5.5.260.0000.04320.63
5.5.250.0030.04020.55
5.5.240.0170.05020.21
5.4.450.0770.04719.49
5.4.440.0830.05019.34
5.4.430.0900.04719.21
5.4.420.0900.08319.21
5.4.410.1270.08319.53
5.4.400.0270.06318.80
5.4.390.0570.06718.46
5.4.380.0200.04718.68
5.4.370.0130.05718.59
5.4.360.0230.04318.71
5.4.350.0270.04718.57
5.4.340.0200.05318.79
5.4.320.0030.03812.48
5.4.310.0040.04612.47
5.4.300.0080.03812.48
5.4.290.0080.03912.47
5.4.280.0060.04012.37
5.4.270.0070.03812.38
5.4.260.0060.03712.38
5.4.250.0080.03712.38
5.4.240.0070.03612.38
5.4.230.0060.04112.36
5.4.220.0050.03712.36
5.4.210.0030.03812.36
5.4.200.0060.04012.36
5.4.190.0220.03612.35
5.4.180.0170.04112.34
5.4.170.0160.04212.36
5.4.160.0180.04312.35
5.4.150.0170.04912.35
5.4.140.0130.04812.03
5.4.130.0150.04512.02
5.4.120.0130.04511.98
5.4.110.0110.04511.97
5.4.100.0230.06711.97
5.4.90.0180.04211.97
5.4.80.0120.04611.97
5.4.70.0140.04311.97
5.4.60.0160.04511.97
5.4.50.0190.03911.97
5.4.40.0170.04211.96
5.4.30.0170.04711.95
5.4.20.0170.04411.95
5.4.10.0220.07011.96
5.4.00.0210.04111.45
5.3.290.0060.05112.80
5.3.280.0090.04312.71
5.3.270.0250.07012.72
5.3.260.0180.04612.71
5.3.250.0230.04312.72
5.3.240.0200.05412.72
5.3.230.0290.07412.71
5.3.220.0210.05212.68
5.3.210.0180.04712.68
5.3.200.0160.04912.68
5.3.190.0530.09512.68
5.3.180.0210.04712.67
5.3.170.0380.08712.67
5.3.160.0150.05112.68
5.3.150.0200.05112.68
5.3.140.0190.04712.66
5.3.130.0210.04712.66
5.3.120.0410.08312.66
5.3.110.0190.04212.66
5.3.100.0150.04712.11
5.3.90.0170.04612.08
5.3.80.0180.04512.08
5.3.70.0290.09512.08
5.3.60.0200.04512.06
5.3.50.0240.03812.00
5.3.40.0170.04712.00
5.3.30.0180.04011.96
5.3.20.0190.04511.73
5.3.10.0220.04411.70
5.3.00.0300.08811.69
5.2.170.0100.0419.19
5.2.160.0120.0379.19
5.2.150.0140.0379.19
5.2.140.0170.0329.19
5.2.130.0110.0369.15
5.2.120.0150.0359.14
5.2.110.0370.0759.16
5.2.100.0140.0369.15
5.2.90.0110.0379.15
5.2.80.0180.0339.14
5.2.70.0300.0519.14
5.2.60.0120.0389.10
5.2.50.0140.0389.07
5.2.40.0160.0649.04
5.2.30.0120.0399.02
5.2.20.0150.0349.01
5.2.10.0140.0388.91
5.2.00.0160.0318.77
5.1.60.0110.0288.04
5.1.50.0120.0308.04
5.1.40.0090.0348.02
5.1.30.0110.0328.37
5.1.20.0280.0778.40
5.1.10.0120.0358.11
5.1.00.0100.0348.11
5.0.50.0090.0256.60
5.0.40.0120.0206.46
5.0.30.0070.0386.27
5.0.20.0100.0236.24
5.0.10.0110.0226.22
5.0.00.0090.0376.21
4.4.90.0110.0144.78
4.4.80.0110.0464.76
4.4.70.0100.0174.75
4.4.60.0050.0214.75
4.4.50.0110.0154.77
4.4.40.0090.0294.71
4.4.30.0060.0204.76
4.4.20.0110.0154.84
4.4.10.0080.0184.84
4.4.00.0100.0264.76
4.3.110.0070.0184.67
4.3.100.0100.0174.66
4.3.90.0040.0204.63
4.3.80.0090.0284.59
4.3.70.0310.0574.63
4.3.60.0070.0184.63
4.3.50.0100.0164.63
4.3.40.0100.0304.54
4.3.30.0030.0223.28
4.3.20.0100.0183.27
4.3.10.0050.0183.22
4.3.00.0000.02013.64

preferences:
45 ms | 401 KiB | 5 Q