3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 10; isset($x['a'][2]);

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)
8.3.70.0140.00416.63
8.3.60.0080.00818.31
8.3.50.0130.00722.89
8.3.40.0110.00418.59
8.3.30.0140.00718.78
8.3.20.0040.00420.21
8.3.10.0040.00423.41
8.3.00.0040.00419.25
8.2.180.0110.00418.17
8.2.170.0100.00722.96
8.2.160.0070.00720.44
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.98
8.2.110.0090.00020.43
8.2.100.0100.00018.03
8.2.90.0040.00819.21
8.2.80.0080.00317.97
8.2.70.0030.00617.63
8.2.60.0080.00017.80
8.2.50.0040.00518.07
8.2.40.0030.00618.34
8.2.30.0070.00018.09
8.2.20.0070.00017.67
8.2.10.0000.00718.05
8.2.00.0070.00017.48
8.1.280.0000.01525.92
8.1.270.0080.00023.92
8.1.260.0050.00326.35
8.1.250.0070.00728.09
8.1.240.0050.00323.87
8.1.230.0000.01019.11
8.1.220.0090.00017.74
8.1.210.0050.00218.77
8.1.200.0060.00617.22
8.1.190.0050.00316.98
8.1.180.0000.00818.10
8.1.170.0000.00818.54
8.1.160.0040.00421.95
8.1.150.0040.00418.85
8.1.140.0040.00417.30
8.1.130.0050.00317.85
8.1.120.0070.00017.46
8.1.110.0070.00017.40
8.1.100.0030.00317.39
8.1.90.0000.00717.37
8.1.80.0000.00817.26
8.1.70.0000.00717.38
8.1.60.0060.00317.40
8.1.50.0050.00317.41
8.1.40.0030.00617.32
8.1.30.0000.00817.46
8.1.20.0000.00717.58
8.1.10.0040.00417.53
8.1.00.0030.00617.41
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.28
8.0.270.0070.00017.18
8.0.260.0060.00017.21
8.0.250.0000.00716.86
8.0.240.0000.00716.81
8.0.230.0070.00016.82
8.0.220.0040.00416.81
8.0.210.0000.00716.69
8.0.200.0030.00316.85
8.0.190.0060.00316.94
8.0.180.0040.00416.82
8.0.170.0050.00316.74
8.0.160.0070.00016.80
8.0.150.0030.00516.64
8.0.140.0070.00016.75
8.0.130.0030.00313.18
8.0.120.0050.00216.86
8.0.110.0070.00016.77
8.0.100.0000.00716.67
8.0.90.0040.00316.86
8.0.80.0050.01416.86
8.0.70.0020.00516.80
8.0.60.0020.00516.62
8.0.50.0040.00416.93
8.0.30.0140.00817.03
8.0.20.0110.01217.40
8.0.10.0000.00716.75
8.0.00.0100.00916.45
7.4.330.0030.00315.00
7.4.320.0000.00616.35
7.4.300.0060.00016.56
7.4.290.0030.00316.42
7.4.280.0000.00816.33
7.4.270.0000.00616.40
7.4.260.0050.00216.37
7.4.250.0000.00816.53
7.4.240.0000.00716.45
7.4.230.0030.00316.63
7.4.220.0090.01416.56
7.4.210.0140.00016.36
7.4.200.0030.00316.60
7.4.160.0130.00316.34
7.4.150.0090.01017.40
7.4.140.0130.00517.86
7.4.130.0100.00716.47
7.4.120.0100.00816.44
7.4.110.0030.01516.48
7.4.100.0090.00916.56
7.4.90.0100.00716.58
7.4.80.0090.01219.39
7.4.70.0100.00716.25
7.4.60.0140.00716.14
7.4.50.0040.00416.34
7.4.40.0090.00616.53
7.4.30.0090.00916.32
7.4.00.0020.01414.78
7.3.330.0000.00613.17
7.3.320.0050.00012.97
7.3.310.0030.00316.34
7.3.300.0070.00016.15
7.3.290.0080.00816.25
7.3.280.0090.00616.30
7.3.270.0030.01417.40
7.3.260.0100.00716.49
7.3.250.0090.00816.31
7.3.240.0000.01616.54
7.3.230.0040.01216.39
7.3.210.0090.00916.49
7.3.200.0120.00319.39
7.3.190.0100.00616.35
7.3.180.0060.00916.25
7.3.170.0090.01216.50
7.3.160.0140.00016.39
7.3.120.0110.00714.76
7.3.110.0060.01314.72
7.3.100.0040.01114.55
7.3.90.0130.00314.68
7.3.80.0000.01114.62
7.3.70.0070.01014.86
7.3.60.0060.00814.67
7.3.50.0060.00614.75
7.3.40.0060.00914.74
7.3.30.0030.01414.80
7.3.20.0140.00316.65
7.3.10.0000.01116.81
7.3.00.0060.00616.59
7.2.330.0140.00316.68
7.2.320.0070.01016.39
7.2.310.0090.01216.21
7.2.300.0070.01016.66
7.2.290.0150.00316.55
7.2.250.0070.01414.88
7.2.240.0090.00614.73
7.2.230.0040.01414.87
7.2.220.0060.00615.13
7.2.210.0030.01214.95
7.2.200.0090.00614.97
7.2.190.0060.00914.99
7.2.180.0040.01115.07
7.2.170.0060.00615.00
7.2.60.0060.00616.61
7.2.00.0140.00319.37
7.1.330.0040.00715.85
7.1.320.0080.00415.77
7.1.310.0040.00415.78
7.1.300.0000.01515.64
7.1.290.0070.00715.73
7.1.280.0040.01115.59
7.1.270.0070.00715.71
7.1.260.0100.00315.50
7.1.200.0150.00015.52
7.1.100.0040.00717.79
7.1.70.0050.00217.18
7.1.60.0090.01219.46
7.1.50.0030.00916.54
7.1.00.0070.07322.30
7.0.200.0050.00516.80
7.0.140.0000.07322.09
7.0.60.0100.07020.05
7.0.50.0030.04317.84
7.0.40.0100.08719.98
7.0.30.0500.07020.23
7.0.20.0200.08020.01
7.0.10.0100.08320.16
7.0.00.0030.06720.04
5.6.280.0000.07721.12
5.6.210.0100.03720.64
5.6.200.0130.05318.15
5.6.190.0070.08320.35
5.6.180.0230.04720.60
5.6.170.0230.03720.50
5.6.160.0030.04320.33
5.6.150.0030.05018.09
5.6.140.0070.03318.11
5.6.130.0070.07318.12
5.6.120.0100.05020.99
5.6.110.0130.08720.95
5.6.100.0100.07720.97
5.6.90.0070.08020.87
5.6.80.0030.04320.45
5.6.70.4530.03020.42
5.5.350.0070.04720.52
5.5.340.0100.05318.02
5.5.330.0100.08020.25
5.5.320.0100.08020.30
5.5.310.0270.05720.26
5.5.300.0000.04017.95
5.5.290.0000.05717.91
5.5.280.0070.06320.86
5.5.270.0070.08320.79
5.5.260.0030.04320.72
5.5.250.0100.07720.44
5.5.240.0300.07020.14
5.4.450.0270.05319.46
5.4.440.0300.05019.41
5.4.430.0200.04019.40
5.4.420.0100.03319.41
5.4.410.0500.03719.08
5.4.400.0370.03319.11
5.4.390.0230.04319.22
5.4.380.0600.06318.51
5.4.370.0300.04718.68
5.4.360.0170.06318.76
5.4.350.0370.05718.56
5.4.340.0330.05318.68
5.4.320.0050.03612.45
5.4.310.0060.03812.45
5.4.300.0060.04312.45
5.4.290.0060.03812.45
5.4.280.0060.03312.35
5.4.270.0040.03612.34
5.4.260.0090.03712.35
5.4.250.0060.03512.35
5.4.240.0050.03712.34
5.4.230.0050.03912.34
5.4.220.0070.03412.34
5.4.210.0050.03512.34
5.4.200.0080.04812.34
5.4.190.0070.03312.34
5.4.180.0050.03512.34
5.4.170.0060.03512.34
5.4.160.0050.03612.34
5.4.150.0060.03512.34
5.4.140.0050.03712.02
5.4.130.0040.04012.01
5.4.120.0020.03811.96
5.4.110.0070.03711.96
5.4.100.0070.03311.96
5.4.90.0050.03711.96
5.4.80.0070.03511.96
5.4.70.0040.03611.96
5.4.60.0070.03211.96
5.4.50.0050.04111.96
5.4.40.0030.03611.95
5.4.30.0020.03811.94
5.4.20.0080.03911.95
5.4.10.0060.03311.95
5.4.00.0030.03911.44
5.3.290.0070.03712.80
5.3.280.0070.03612.71
5.3.270.0060.03812.73
5.3.260.0060.04612.71
5.3.250.0040.04112.72
5.3.240.0090.04412.72
5.3.230.0040.04312.71
5.3.220.0090.03812.68
5.3.210.0070.03712.68
5.3.200.0090.03512.68
5.3.190.0070.03912.68
5.3.180.0040.03712.67
5.3.170.0070.04012.67
5.3.160.0070.03912.67
5.3.150.0120.03412.68
5.3.140.0040.03712.66
5.3.130.0050.03912.66
5.3.120.0060.03812.66
5.3.110.0050.03812.66
5.3.100.0050.03612.12
5.3.90.0040.03712.08
5.3.80.0060.03512.07
5.3.70.0060.03612.08
5.3.60.0060.03512.07
5.3.50.0030.03812.00
5.3.40.0090.03312.00
5.3.30.0050.03511.94
5.3.20.0050.03611.72
5.3.10.0030.03611.69
5.3.00.0070.03311.67
5.2.170.0030.0319.18
5.2.160.0040.0299.18
5.2.150.0030.0319.17
5.2.140.0080.0329.17
5.2.130.0050.0349.13
5.2.120.0020.0309.13
5.2.110.0050.0279.14
5.2.100.0060.0269.14
5.2.90.0040.0299.13
5.2.80.0060.0289.13
5.2.70.0040.0319.13
5.2.60.0020.0319.09
5.2.50.0040.0299.05
5.2.40.0050.0279.04
5.2.30.0060.0309.00
5.2.20.0030.0299.00
5.2.10.0010.0338.91
5.2.00.0090.0298.77
5.1.60.0040.0248.05
5.1.50.0030.0268.05
5.1.40.0040.0248.04
5.1.30.0070.0238.39
5.1.20.0050.0318.41
5.1.10.0030.0278.13
5.1.00.0020.0278.13
5.0.50.0050.0186.61
5.0.40.0010.0216.47
5.0.30.0050.0306.29
5.0.20.0010.0216.26
5.0.10.0020.0216.23
5.0.00.0030.0316.22
4.4.90.0060.0124.78
4.4.80.0010.0174.76
4.4.70.0010.0174.75
4.4.60.0030.0194.75
4.4.50.0030.0144.77
4.4.40.0040.0264.70
4.4.30.0030.0164.76
4.4.20.0050.0194.85
4.4.10.0020.0214.84
4.4.00.0030.0254.76
4.3.110.0040.0144.67
4.3.100.0020.0194.66
4.3.90.0000.0184.63
4.3.80.0020.0244.58
4.3.70.0030.0184.63
4.3.60.0050.0134.63
4.3.50.0010.0174.63
4.3.40.0010.0254.54
4.3.30.0010.0173.28
4.3.20.0010.0173.25
4.3.10.0020.0163.21
4.3.00.0030.02018.23

preferences:
40.53 ms | 401 KiB | 5 Q