3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; empty($x['foo']->bar->k[$x->z]); print "OK\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)
8.3.60.0140.00016.50
8.3.50.0140.00522.82
8.3.40.0090.00918.54
8.3.30.0140.00019.04
8.3.20.0080.00020.14
8.3.10.0080.00023.61
8.3.00.0080.00019.38
8.2.180.0210.00316.74
8.2.170.0070.00722.96
8.2.160.0130.00720.54
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00021.01
8.2.110.0040.00420.39
8.2.100.0110.00018.22
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0050.00317.38
8.2.60.0000.00918.03
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0040.00419.35
8.2.20.0040.00417.65
8.2.10.0040.00417.91
8.2.00.0000.00817.59
8.1.280.0150.00425.92
8.1.270.0030.00623.84
8.1.260.0020.00526.35
8.1.250.0160.00328.09
8.1.240.0040.00422.09
8.1.230.0070.00419.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.22
8.1.190.0080.00017.11
8.1.180.0090.00018.10
8.1.170.0040.00418.65
8.1.160.0040.00421.93
8.1.150.0040.00418.74
8.1.140.0080.00017.37
8.1.130.0000.00817.73
8.1.120.0040.00417.40
8.1.110.0050.00317.31
8.1.100.0000.00717.29
8.1.90.0000.00717.27
8.1.80.0000.00717.25
8.1.70.0000.00717.35
8.1.60.0120.00017.50
8.1.50.0040.00417.39
8.1.40.0040.00417.31
8.1.30.0000.00717.58
8.1.20.0040.00417.60
8.1.10.0070.00017.56
8.1.00.0040.00417.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00317.26
8.0.260.0000.00617.24
8.0.250.0000.00716.97
8.0.240.0070.00016.85
8.0.230.0070.00016.89
8.0.220.0000.00616.77
8.0.210.0000.00716.90
8.0.200.0030.00316.99
8.0.190.0030.00716.84
8.0.180.0030.00316.93
8.0.170.0040.00416.93
8.0.160.0000.00716.95
8.0.150.0000.00716.76
8.0.140.0000.00816.84
8.0.130.0030.00613.28
8.0.120.0040.00416.77
8.0.110.0000.00816.78
8.0.100.0040.00416.89
8.0.90.0000.00716.92
8.0.80.0090.00916.91
8.0.70.0070.00017.01
8.0.60.0030.00516.93
8.0.50.0030.00516.72
8.0.30.0150.00316.95
8.0.20.0150.00517.40
8.0.10.0040.00416.87
8.0.00.0130.00516.88
7.4.330.0050.00015.00
7.4.320.0030.00316.61
7.4.300.0060.00016.40
7.4.290.0030.00316.61
7.4.280.0000.00816.62
7.4.270.0030.00316.38
7.4.260.0040.00416.56
7.4.250.0070.00016.51
7.4.240.0020.00616.55
7.4.230.0030.00316.49
7.4.220.0040.01516.55
7.4.210.0040.01316.52
7.4.200.0040.00416.70
7.4.160.0120.00216.37
7.4.150.0150.00317.40
7.4.140.0100.00817.86
7.4.130.0090.01116.47
7.4.120.0100.00716.54
7.4.110.0070.01116.34
7.4.100.0000.01816.37
7.4.90.0120.00616.54
7.4.80.0140.00419.39
7.4.70.0130.00316.55
7.4.60.0040.01316.42
7.4.50.0020.00216.60
7.4.40.0070.01016.62
7.4.30.0040.01216.66
7.4.00.0070.00715.15
7.3.330.0030.00313.26
7.3.320.0000.00513.26
7.3.310.0070.00016.20
7.3.300.0030.00316.32
7.3.290.0070.00716.34
7.3.280.0080.00716.31
7.3.270.0080.01117.40
7.3.260.0130.01016.23
7.3.250.0090.00916.50
7.3.240.0070.01016.35
7.3.230.0070.01416.61
7.3.210.0120.00316.42
7.3.200.0130.00819.39
7.3.190.0180.00616.35
7.3.180.0110.00416.27
7.3.170.0120.01116.66
7.3.160.0100.01016.38
7.3.120.0070.01014.67
7.3.110.0130.00314.81
7.3.100.0060.00914.53
7.3.90.0120.00614.66
7.3.80.0110.00714.45
7.3.70.0040.00914.80
7.3.60.0060.00614.58
7.3.50.0040.01114.83
7.3.40.0030.00614.43
7.3.30.0030.01014.72
7.3.20.0070.00716.71
7.3.10.0030.00616.66
7.3.00.0070.00416.37
7.2.330.0030.01316.68
7.2.320.0090.01316.76
7.2.310.0130.00716.60
7.2.300.0070.01016.61
7.2.290.0060.00916.63
7.2.250.0130.00614.83
7.2.240.0100.00714.80
7.2.230.0000.01814.84
7.2.220.0090.00615.11
7.2.210.0070.01015.13
7.2.200.0000.00914.86
7.2.190.0100.00714.95
7.2.180.0000.01414.70
7.2.170.0080.00414.76
7.2.00.0040.00419.26
7.1.330.0000.01715.68
7.1.320.0000.01215.82
7.1.310.0090.00615.41
7.1.300.0130.00015.77
7.1.290.0090.00615.86
7.1.280.0000.01215.73
7.1.270.0070.00715.39
7.1.260.0030.00715.57
7.1.100.0040.00717.87
7.1.70.0080.01217.13
7.1.60.0120.00619.46
7.1.50.0060.01616.74
7.1.00.0030.07722.27
7.0.200.0260.00716.48
7.0.140.0030.07322.09
7.0.60.0070.07320.03
7.0.50.0030.04017.66
7.0.40.0070.06719.90
7.0.30.0270.06720.19
7.0.20.0270.07720.33
7.0.10.0030.08320.20
7.0.00.0100.06319.99
5.6.280.0100.06720.92
5.6.210.0130.07720.47
5.6.200.0100.07718.21
5.6.190.0070.04020.35
5.6.180.0270.07020.27
5.6.170.0270.04720.51
5.6.160.0100.07720.50
5.6.150.0070.06718.06
5.6.140.0000.04318.11
5.6.130.0130.05018.15
5.6.120.0070.05321.00
5.6.110.0100.07720.98
5.6.100.0130.06720.97
5.6.90.0130.07721.06
5.6.80.0000.05320.38
5.6.70.4400.04320.32
5.5.350.0100.04720.49
5.5.340.0100.08318.01
5.5.330.0070.06720.40
5.5.320.0270.08320.30
5.5.310.0270.04020.12
5.5.300.0000.04317.93
5.5.290.0100.07017.96
5.5.280.0070.05720.84
5.5.270.0100.08020.72
5.5.260.0030.08020.67
5.5.250.0000.04320.79
5.5.240.0200.05020.15
5.4.450.0530.04019.48
5.4.440.0600.04319.21
5.4.430.0200.04319.48
5.4.420.0500.03019.13
5.4.410.0400.03319.08
5.4.400.0570.04719.09
5.4.390.0100.05019.09
5.4.380.0400.07018.61
5.4.370.0470.05018.62
5.4.360.0300.05318.61
5.4.350.0500.07318.56
5.4.340.0230.05718.45
5.4.320.0080.04512.46
5.4.310.0080.04412.46
5.4.300.0040.04412.46
5.4.290.0080.04012.45
5.4.280.0050.03612.35
5.4.270.0060.03612.35
5.4.260.0100.04212.35
5.4.250.0070.04212.35
5.4.240.0060.03912.35
5.4.230.0040.04112.34
5.4.220.0060.03712.34
5.4.210.0080.03612.34
5.4.200.0080.03912.34
5.4.190.0090.03512.34
5.4.180.0090.04012.34
5.4.170.0090.03612.35
5.4.160.0100.03812.35
5.4.150.0110.03412.34
5.4.140.0110.03412.03
5.4.130.0070.03712.02
5.4.120.0050.03911.97
5.4.110.0100.04011.97
5.4.100.0090.03211.97
5.4.90.0100.04111.96
5.4.80.0050.03711.96
5.4.70.0060.03711.96
5.4.60.0050.04311.96
5.4.50.0060.04011.96
5.4.40.0080.04211.95
5.4.30.0080.04011.95
5.4.20.0060.04111.95
5.4.10.0090.03611.95
5.4.00.0090.03311.44
5.3.290.0090.04212.80
5.3.280.0080.03712.71
5.3.270.0060.03912.72
5.3.260.0080.03612.72
5.3.250.0070.03712.72
5.3.240.0050.03912.72
5.3.230.0070.03612.71
5.3.220.0060.03812.68
5.3.210.0080.03712.68
5.3.200.0050.03712.68
5.3.190.0030.04412.68
5.3.180.0110.03612.68
5.3.170.0070.03912.67
5.3.160.0050.04012.67
5.3.150.0030.04812.67
5.3.140.0090.04012.66
5.3.130.0060.04212.66
5.3.120.0040.04112.66
5.3.110.0060.03912.65
5.3.100.0060.04512.12
5.3.90.0060.03912.08
5.3.80.0070.03712.08
5.3.70.0060.04512.07
5.3.60.0070.03512.06
5.3.50.0070.04012.00
5.3.40.0050.04212.00
5.3.30.0110.03411.94
5.3.20.0060.03511.72
5.3.10.0080.04011.69
5.3.00.0080.04311.68
5.2.170.0070.0319.18
5.2.160.0050.0309.18
5.2.150.0070.0309.17
5.2.140.0050.0309.17
5.2.130.0060.0319.14
5.2.120.0090.0299.14
5.2.110.0030.0319.14
5.2.100.0050.0299.13
5.2.90.0040.0299.14
5.2.80.0040.0319.13
5.2.70.0040.0379.13
5.2.60.0050.0379.09
5.2.50.0050.0309.06
5.2.40.0050.0369.04
5.2.30.0080.0279.00
5.2.20.0030.0308.99
5.2.10.0040.0278.91
5.2.00.0020.0358.77
5.1.60.0070.0268.06
5.1.50.0030.0248.06
5.1.40.0020.0368.04
5.1.30.0050.0268.39
5.1.20.0090.0298.41
5.1.10.0060.0288.14
5.1.00.0070.0318.14
5.0.50.0040.0226.61
5.0.40.0030.0266.48
5.0.30.0050.0336.29
5.0.20.0060.0246.25
5.0.10.0070.0196.24
5.0.00.0030.0376.23
4.4.90.0040.0164.78
4.4.80.0040.0174.75
4.4.70.0030.0174.75
4.4.60.0030.0174.75
4.4.50.0020.0184.77
4.4.40.0030.0284.71
4.4.30.0070.0134.76
4.4.20.0040.0234.84
4.4.10.0030.0214.85
4.4.00.0030.0344.76
4.3.110.0080.0174.67
4.3.100.0050.0184.66
4.3.90.0040.0184.63
4.3.80.0050.0264.58
4.3.70.0030.0214.63
4.3.60.0020.0194.63
4.3.50.0030.0194.63
4.3.40.0040.0264.54
4.3.30.0050.0253.28
4.3.20.0020.0163.25
4.3.10.0020.0153.21
4.3.00.0000.02018.56

preferences:
40.87 ms | 401 KiB | 5 Q