3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; isset($x['foo']->bar->k[$x[4]]);

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)
8.3.60.0030.01016.50
8.3.50.0090.01122.90
8.3.40.0090.00618.97
8.3.30.0100.00319.22
8.3.20.0080.00020.16
8.3.10.0070.00023.66
8.3.00.0000.00819.26
8.2.180.0090.00616.75
8.2.170.0090.00622.96
8.2.160.0090.00920.24
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00421.05
8.2.110.0040.00420.43
8.2.100.0110.00018.14
8.2.90.0080.00019.27
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00518.05
8.2.50.0040.00418.07
8.2.40.0060.00418.16
8.2.30.0040.00419.50
8.2.20.0040.00417.75
8.2.10.0000.00817.99
8.2.00.0000.00717.70
8.1.280.0180.00325.92
8.1.270.0060.00323.95
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.82
8.1.230.0110.00019.00
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0070.00317.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.47
8.1.160.0050.00222.07
8.1.150.0000.00718.86
8.1.140.0000.00717.39
8.1.130.0070.00017.88
8.1.120.0030.00517.39
8.1.110.0070.00017.36
8.1.100.0030.00317.30
8.1.90.0030.00417.35
8.1.80.0000.00717.35
8.1.70.0030.00317.23
8.1.60.0040.00617.50
8.1.50.0040.00417.30
8.1.40.0000.00817.46
8.1.30.0030.00517.48
8.1.20.0030.00617.52
8.1.10.0030.00617.44
8.1.00.0070.00017.49
8.0.300.0030.00518.77
8.0.290.0040.00416.63
8.0.280.0030.00318.29
8.0.270.0000.00717.07
8.0.260.0000.00617.13
8.0.250.0000.00717.00
8.0.240.0000.00617.01
8.0.230.0000.00716.93
8.0.220.0000.00616.86
8.0.210.0040.00416.89
8.0.200.0030.00316.96
8.0.190.0030.00616.98
8.0.180.0000.00716.79
8.0.170.0050.00316.92
8.0.160.0000.00716.82
8.0.150.0070.00016.85
8.0.140.0000.00716.86
8.0.130.0040.00413.32
8.0.120.0030.00516.86
8.0.110.0000.00816.79
8.0.100.0030.00516.79
8.0.90.0080.00016.95
8.0.80.0120.01016.87
8.0.70.0040.00416.96
8.0.60.0080.00016.80
8.0.50.0040.00416.91
8.0.30.0070.01217.19
8.0.20.0140.00517.40
8.0.10.0040.00417.00
8.0.00.0060.01116.83
7.4.330.0000.00515.16
7.4.320.0030.00316.52
7.4.300.0030.00316.56
7.4.290.0030.00316.53
7.4.280.0040.00416.61
7.4.270.0000.00716.52
7.4.260.0000.00716.59
7.4.250.0020.00516.48
7.4.240.0030.00416.58
7.4.230.0030.00316.30
7.4.220.0090.00916.61
7.4.210.0060.01016.65
7.4.200.0000.00716.54
7.4.160.0110.00416.57
7.4.150.0150.00417.40
7.4.140.0080.00817.86
7.4.130.0080.01116.55
7.4.120.0090.01016.61
7.4.110.0110.00716.70
7.4.100.0070.01016.71
7.4.90.0090.00916.53
7.4.80.0070.01419.39
7.4.70.0070.01016.50
7.4.60.0110.00616.54
7.4.50.0050.00316.57
7.4.40.0030.01316.43
7.4.30.0100.00716.57
7.4.00.0030.01215.10
7.3.330.0050.00013.00
7.3.320.0050.00013.12
7.3.310.0030.00316.34
7.3.300.0060.00016.25
7.3.290.0070.00716.38
7.3.280.0090.00716.28
7.3.270.0060.01317.40
7.3.260.0060.01116.32
7.3.250.0160.00516.49
7.3.240.0070.01016.38
7.3.230.0060.01016.57
7.3.210.0100.00616.55
7.3.200.0120.00419.39
7.3.190.0030.01716.45
7.3.180.0040.01116.41
7.3.170.0150.00616.27
7.3.160.0110.01116.28
7.2.330.0070.01616.59
7.2.320.0070.01116.32
7.2.310.0120.01216.35
7.2.300.0100.00716.34
7.2.290.0100.00716.65
7.1.70.0040.00816.86
7.1.60.0060.01919.46
7.1.50.0030.00716.83
7.1.00.0100.07022.30
7.0.200.0170.00716.44
7.0.140.0070.07022.10
7.0.60.0130.06019.82
7.0.50.0030.06717.88
7.0.40.0000.08720.00
7.0.30.0230.08720.02
7.0.20.0200.08720.09
7.0.10.0100.05020.03
7.0.00.0100.03719.99
5.6.280.0070.06721.12
5.6.210.0070.07720.52
5.6.200.0030.06318.13
5.6.190.0030.05320.47
5.6.180.0300.07720.43
5.6.170.0370.08720.33
5.6.160.0230.06720.34
5.6.150.0100.07318.12
5.6.140.0130.06718.15
5.6.130.0100.06018.21
5.6.120.0100.07720.98
5.6.110.0200.08020.98
5.6.100.0100.08320.96
5.6.90.0030.09021.07
5.6.80.0070.06020.38
5.6.70.4370.03720.39
5.5.350.0030.08720.40
5.5.340.0000.04317.88
5.5.330.0070.04320.23
5.5.320.0300.04020.13
5.5.310.0200.05720.30
5.5.300.0070.03717.92
5.5.290.0070.04317.91
5.5.280.0100.06020.65
5.5.270.0070.04020.67
5.5.260.0170.06720.86
5.5.250.0170.06320.68
5.5.240.0270.07020.27
5.4.450.0170.06019.41
5.4.440.0300.07319.46
5.4.430.0270.05019.56
5.4.420.0200.03719.09
5.4.410.0170.07019.29
5.4.400.0370.03719.24
5.4.390.0270.07019.06
5.4.380.0270.06319.09
5.4.370.0230.06319.25
5.4.360.0300.04318.79
5.4.350.0270.05318.79
5.4.340.0230.07318.86
5.4.320.0300.06719.13
5.4.310.0300.06319.16
5.4.300.0330.04019.12
5.4.290.0300.07019.08
5.4.280.0200.05319.21
5.4.270.0230.05719.08
5.4.260.0200.04018.78
5.4.250.0170.05019.13
5.4.240.0330.05019.21
5.4.230.0170.05318.88
5.4.220.0270.05719.23
5.4.210.0270.06719.08
5.4.200.0300.04018.80
5.4.190.0270.07319.09
5.4.180.0230.04719.14
5.4.170.0270.05719.24
5.4.160.0330.05018.78
5.4.150.0100.04719.07
5.4.140.0270.05016.45
5.4.130.0230.03716.31
5.4.120.0200.07316.27
5.4.110.0270.06716.49
5.4.100.0330.04716.39
5.4.90.0300.04016.34
5.4.80.0230.05316.39
5.4.70.0200.05016.37
5.4.60.0200.05716.42
5.4.50.0230.07316.45
5.4.40.0230.04316.36
5.4.30.0270.06016.46
5.4.20.0270.04716.36
5.4.10.0270.07016.16
5.4.00.0200.07315.78
5.3.290.0300.06314.50
5.3.280.0200.06014.46
5.3.270.0200.06714.54
5.3.260.0200.05014.43
5.3.250.0230.07714.54
5.3.240.0200.03714.54
5.3.230.0470.05014.62
5.3.220.0170.08014.59
5.3.210.0230.07314.41
5.3.200.0230.06314.52
5.3.190.0200.07314.42
5.3.180.0230.04314.61
5.3.170.0330.03314.39
5.3.160.0170.05014.39
5.3.150.0230.06314.65
5.3.140.0230.05714.48
5.3.130.0200.03714.45
5.3.120.0130.05014.49
5.3.110.0270.07314.63
5.3.100.0170.05714.02
5.3.90.0270.06713.93
5.3.80.0230.07013.97
5.3.70.0230.04313.93
5.3.60.0230.07013.93
5.3.50.0200.06313.93
5.3.40.0270.07313.93
5.3.30.0200.03713.93
5.3.20.0200.06013.93
5.3.10.0200.06713.93
5.3.00.0230.06313.93
5.2.170.0170.06313.93
5.2.160.0230.05313.93
5.2.150.0170.03013.93
5.2.140.0200.04713.93
5.2.130.0270.03013.93
5.2.120.0170.03013.93
5.2.110.0170.06013.93
5.2.100.0300.04713.93
5.2.90.0170.03313.93
5.2.80.0270.04713.93
5.2.70.0230.04713.93
5.2.60.0200.04013.93
5.2.50.0170.04013.93
5.2.40.0170.03013.93
5.2.30.0130.04313.93
5.2.20.0200.05013.93
5.2.10.0200.05313.93
5.2.00.0170.05713.93
5.1.60.0130.04013.93
5.1.50.0130.05013.93
5.1.40.0170.05313.93
5.1.30.0230.04713.93
5.1.20.0130.05013.93
5.1.10.0170.04013.93
5.1.00.0130.04013.93
5.0.50.0070.04713.93
5.0.40.0070.04313.93
5.0.30.0070.04313.93
5.0.20.0000.03713.93
5.0.10.0070.05013.93
5.0.00.0130.05313.93
4.4.90.0070.04013.93
4.4.80.0070.02013.93
4.4.70.0030.04013.93
4.4.60.0000.03313.93
4.4.50.0070.03713.93
4.4.40.0070.02713.93
4.4.30.0100.02713.93
4.4.20.0130.01713.93
4.4.10.0070.02313.93
4.4.00.0130.04313.93
4.3.110.0030.02713.93
4.3.100.0070.03013.93
4.3.90.0030.02013.93
4.3.80.0100.04313.93
4.3.70.0070.02313.93
4.3.60.0100.02313.93
4.3.50.0070.03713.93
4.3.40.0070.05013.93
4.3.30.0030.03313.93
4.3.20.0030.03013.93
4.3.10.0030.03013.93
4.3.00.0030.02313.93

preferences:
76.93 ms | 400 KiB | 5 Q