3v4l.org

run code in 300+ PHP versions simultaneously
<?php function i(&$variable, $default = null) { if (isset($variable)) { $tmp = $variable; } else { $tmp = $default; } return $tmp; } $array = array(); var_dump(i($array['asd']));

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)
8.3.60.0070.01018.31
8.3.50.0110.00922.07
8.3.40.0100.01018.75
8.3.30.0110.00419.02
8.3.20.0070.00020.34
8.3.10.0040.00423.48
8.3.00.0020.00519.09
8.2.180.0180.00316.63
8.2.170.0090.00622.96
8.2.160.0070.01020.58
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00020.96
8.2.110.0180.00321.95
8.2.100.0090.00619.57
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0000.00917.50
8.2.60.0090.00317.43
8.2.50.0040.00418.07
8.2.40.0040.00419.66
8.2.30.0080.00318.13
8.2.20.0060.00317.57
8.2.10.0000.00817.93
8.2.00.0060.00317.59
8.1.280.0090.00925.92
8.1.270.0080.00023.69
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00523.97
8.1.230.0040.00818.99
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0000.00721.94
8.1.150.0040.00418.51
8.1.140.0030.00617.36
8.1.130.0000.00717.88
8.1.120.0040.00417.40
8.1.110.0040.00417.37
8.1.100.0040.00417.32
8.1.90.0040.00417.41
8.1.80.0050.00317.37
8.1.70.0030.00317.37
8.1.60.0030.00617.56
8.1.50.0030.00617.49
8.1.40.0000.00717.46
8.1.30.0030.00717.54
8.1.20.0050.00217.67
8.1.10.0070.00017.56
8.1.00.0080.00017.34
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0070.00018.26
8.0.270.0040.00417.19
8.0.260.0030.00317.10
8.0.250.0000.00716.89
8.0.240.0000.00716.88
8.0.230.0070.00016.90
8.0.220.0000.00816.79
8.0.210.0050.00316.75
8.0.200.0000.00816.85
8.0.190.0070.00016.87
8.0.180.0040.00416.90
8.0.170.0040.00416.75
8.0.160.0000.00716.77
8.0.150.0040.00416.69
8.0.140.0030.00316.68
8.0.130.0000.00613.25
8.0.120.0050.00316.75
8.0.110.0000.00716.84
8.0.100.0040.00416.71
8.0.90.0000.00716.79
8.0.80.0150.00616.85
8.0.70.0000.00716.73
8.0.60.0000.00716.87
8.0.50.0040.00416.71
8.0.30.0050.01416.87
8.0.20.0160.00517.40
8.0.10.0040.00416.84
8.0.00.0110.00916.60
7.4.330.0000.00615.00
7.4.320.0070.00016.50
7.4.300.0030.00316.61
7.4.290.0080.00016.61
7.4.280.0060.00616.59
7.4.270.0000.00816.49
7.4.260.0070.00316.39
7.4.250.0000.00716.61
7.4.240.0000.00716.56
7.4.230.0070.00016.48
7.4.220.0180.00916.46
7.4.210.0090.01016.67
7.4.200.0000.00816.40
7.4.160.0090.00616.39
7.4.150.0060.01217.40
7.4.140.0100.00717.86
7.4.130.0090.01016.51
7.4.120.0080.00816.53
7.4.110.0140.00316.55
7.4.100.0130.01016.31
7.4.90.0070.01016.34
7.4.80.0130.00919.39
7.4.70.0130.00916.25
7.4.60.0030.01316.41
7.4.50.0040.00016.50
7.4.40.0100.00616.59
7.4.30.0100.00616.51
7.4.00.0030.01214.86
7.3.330.0000.00513.32
7.3.320.0040.00413.25
7.3.310.0030.00316.38
7.3.300.0000.00616.25
7.3.290.0000.01416.30
7.3.280.0050.01216.28
7.3.270.0160.00717.40
7.3.260.0040.01216.50
7.3.250.0130.00516.40
7.3.240.0080.00816.43
7.3.230.0070.01016.39
7.3.210.0070.01016.34
7.3.200.0060.01719.39
7.3.190.0090.00616.59
7.3.180.0120.00616.22
7.3.170.0130.00316.57
7.3.160.0090.00616.25
7.3.120.0080.00414.95
7.2.330.0070.01016.71
7.2.320.0030.01416.66
7.2.310.0060.00916.73
7.2.300.0170.00016.74
7.2.290.0140.00816.40
7.2.60.0120.00316.57
7.2.00.0000.01519.30
7.1.200.0040.01115.72
7.1.100.0030.00718.07
7.1.70.0000.00717.03
7.1.60.0120.00919.70
7.1.50.0220.01634.71
7.1.00.0030.07722.45
7.0.200.0000.00716.63
7.0.140.0100.06722.08
7.0.60.0030.07719.90
7.0.50.0200.07317.96
7.0.40.0170.07720.20
7.0.30.0230.03320.09
7.0.20.0230.06020.25
7.0.10.0030.04720.23
7.0.00.0130.06320.01
5.6.280.0030.07320.86
5.6.210.0070.07020.65
5.6.200.0130.07018.25
5.6.190.0030.04320.64
5.6.180.4100.04320.52
5.6.170.0130.05320.54
5.6.160.0030.04720.44
5.6.150.0130.07318.18
5.6.140.0070.07718.14
5.6.130.0030.05718.23
5.6.120.0130.07021.12
5.6.110.0200.07720.99
5.6.100.0000.09021.08
5.6.90.0030.04321.11
5.6.80.0100.07320.38
5.6.70.0770.03020.51
5.5.350.0100.03720.44
5.5.340.0030.04317.98
5.5.330.0030.04320.47
5.5.320.0530.06720.33
5.5.310.0300.08020.51
5.5.300.0030.04717.97
5.5.290.0030.07018.02
5.5.280.0030.04320.95
5.5.270.0100.06020.96
5.5.260.0070.08020.65
5.5.250.0100.05020.55
5.5.240.0100.03720.12
5.4.450.0270.04729.93
5.4.440.0330.04029.52
5.4.430.0630.04019.16
5.4.420.0370.04028.29
5.4.410.0170.05328.29
5.4.400.0330.03728.29
5.4.390.0670.03728.29
5.4.380.0230.05318.80
5.4.370.0230.04318.58
5.4.360.0130.05718.75
5.4.350.0100.05718.74
5.4.340.0230.06018.49
5.4.320.0050.03712.51
5.4.310.0040.04012.50
5.4.300.0050.03712.51
5.4.290.0070.03812.50
5.4.280.0090.04012.40
5.4.270.0030.04112.39
5.4.260.0060.03812.40
5.4.250.0050.03912.40
5.4.240.0060.03612.40
5.4.230.0060.03812.39
5.4.220.0040.03812.39
5.4.210.0060.03512.39
5.4.200.0070.03812.39
5.4.190.0070.03612.39
5.4.180.0040.04012.39
5.4.170.0070.03512.40
5.4.160.0050.04112.39
5.4.150.0050.03712.39
5.4.140.0050.04412.07
5.4.130.0060.03712.06
5.4.120.0060.03512.02
5.4.110.0030.03812.01
5.4.100.0050.03912.01
5.4.90.0050.03712.02
5.4.80.0050.03712.02
5.4.70.0040.03612.01
5.4.60.0040.03612.00
5.4.50.0050.03612.01
5.4.40.0050.03512.00
5.4.30.0050.03911.99
5.4.20.0100.03411.99
5.4.10.0060.03511.99
5.4.00.0090.03211.48
5.3.290.0080.03812.80
5.3.280.0060.03612.71
5.3.270.0080.03912.72
5.3.260.0050.04112.71
5.3.250.0050.03812.72
5.3.240.0070.03712.72
5.3.230.0100.03712.71
5.3.220.0050.05312.68
5.3.210.0070.03912.68
5.3.200.0070.03512.68
5.3.190.0110.03512.68
5.3.180.0080.03412.68
5.3.170.0050.03812.67
5.3.160.0060.03612.68
5.3.150.0080.03612.67
5.3.140.0080.04312.66
5.3.130.0040.04012.65
5.3.120.0100.04012.66
5.3.110.0070.04912.66
5.3.100.0070.03612.12
5.3.90.0060.03612.10
5.3.80.0060.03612.09
5.3.70.0040.03812.09
5.3.60.0050.03712.07
5.3.50.0070.03612.02
5.3.40.0070.04012.03
5.3.30.0070.03411.98
5.3.20.0060.03511.76
5.3.10.0050.03611.73
5.3.00.0090.03311.71
5.2.170.0050.0309.21
5.2.160.0040.0309.22
5.2.150.0050.0309.21
5.2.140.0060.0299.21
5.2.130.0020.0329.17
5.2.120.0040.0309.18
5.2.110.0070.0279.18
5.2.100.0050.0299.17
5.2.90.0080.0319.17
5.2.80.0040.0319.17
5.2.70.0020.0349.17
5.2.60.0040.0349.13
5.2.50.0040.0359.10
5.2.40.0070.0289.07
5.2.30.0100.0259.04
5.2.20.0050.0309.04
5.2.10.0080.0278.94
5.2.00.0080.0278.80
5.1.60.0060.0268.09
5.1.50.0050.0288.08
5.1.40.0050.0258.06
5.1.30.0070.0308.41
5.1.20.0070.0268.43
5.1.10.0050.0268.16
5.1.00.0030.0298.16
5.0.50.0020.0236.64
5.0.40.0050.0186.50
5.0.30.0040.0326.31
5.0.20.0080.0166.28
5.0.10.0050.0216.25
5.0.00.0030.0316.25
4.4.90.0030.0154.78
4.4.80.0020.0164.75
4.4.70.0050.0134.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0060.0244.71
4.4.30.0040.0144.76
4.4.20.0040.0144.85
4.4.10.0020.0164.85
4.4.00.0030.0254.76
4.3.110.0010.0174.67
4.3.100.0020.0154.67
4.3.90.0040.0134.63
4.3.80.0020.0244.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0000.0274.54
4.3.30.0030.0153.30
4.3.20.0020.0163.27
4.3.10.0010.0173.24
4.3.00.0070.01728.29

preferences:
41.21 ms | 401 KiB | 5 Q