3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => array('aaaaa')); var_dump(empty(current($arr['a'])));

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)
8.3.40.0090.00618.54
8.3.30.0030.01019.08
8.3.20.0000.00820.32
8.3.10.0040.00420.48
8.3.00.0070.00319.38
8.2.170.0110.00322.96
8.2.160.0030.01020.52
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0030.00620.99
8.2.110.0040.00819.34
8.2.100.0040.00717.91
8.2.90.0040.00417.91
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0000.00718.28
8.2.30.0070.00019.43
8.2.20.0060.00317.79
8.2.10.0000.00718.05
8.2.00.0050.00317.48
8.1.270.0080.00022.20
8.1.260.0050.00326.35
8.1.250.0090.00028.09
8.1.240.0030.00622.54
8.1.230.0080.00321.10
8.1.220.0000.00917.74
8.1.210.0090.00018.97
8.1.200.0060.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0080.00021.95
8.1.150.0040.00418.88
8.1.140.0040.00417.44
8.1.130.0030.00317.78
8.1.120.0070.00017.45
8.1.110.0020.00517.43
8.1.100.0040.00417.50
8.1.90.0000.00817.42
8.1.80.0000.00717.46
8.1.70.0080.00017.33
8.1.60.0040.00717.58
8.1.50.0040.00417.42
8.1.40.0030.00617.50
8.1.30.0030.00517.63
8.1.20.0000.00817.71
8.1.10.0000.00717.50
8.1.00.0040.00417.45
8.0.300.0000.00820.09
8.0.290.0020.00516.63
8.0.280.0070.00018.35
8.0.270.0070.00017.32
8.0.260.0030.00317.13
8.0.250.0030.00316.82
8.0.240.0000.00716.88
8.0.230.0040.00416.83
8.0.220.0070.00016.88
8.0.210.0000.01016.92
8.0.200.0030.00316.88
8.0.190.0090.00016.90
8.0.180.0070.00016.80
8.0.170.0040.00416.86
8.0.160.0030.00516.70
8.0.150.0000.00716.90
8.0.140.0000.00716.71
8.0.130.0000.00613.32
8.0.120.0040.00416.73
8.0.110.0040.00416.84
8.0.100.0050.00216.68
8.0.90.0000.00716.86
8.0.80.0090.00916.85
8.0.70.0070.00016.89
8.0.60.0080.00016.75
8.0.50.0040.00416.94
8.0.30.0080.01217.11
8.0.20.0120.00617.40
8.0.10.0030.00616.95
8.0.00.0130.00716.61
7.4.330.0050.00015.15
7.4.320.0030.00316.54
7.4.300.0030.00316.39
7.4.290.0030.00316.58
7.4.280.0070.00316.56
7.4.270.0000.00616.61
7.4.260.0000.00716.43
7.4.250.0040.00416.49
7.4.240.0030.00516.48
7.4.230.0000.00716.54
7.4.220.0030.01316.58
7.4.210.0070.01516.47
7.4.200.0000.00716.18
7.4.160.0160.00616.37
7.4.150.0090.00817.40
7.4.140.0110.00817.86
7.4.130.0120.00816.38
7.4.120.0090.00716.36
7.4.110.0040.01516.31
7.4.100.0070.01016.53
7.4.90.0080.00816.53
7.4.80.0070.01019.39
7.4.70.0100.00716.43
7.4.60.0100.00716.51
7.4.50.0030.00516.14
7.4.40.0070.01016.52
7.4.30.0060.00916.57
7.4.00.0070.00714.83
7.3.330.0050.00013.12
7.3.320.0000.00513.11
7.3.310.0030.00316.15
7.3.300.0030.00316.23
7.3.290.0060.01216.22
7.3.280.0140.00516.22
7.3.270.0100.00717.40
7.3.260.0060.01616.27
7.3.250.0120.00816.30
7.3.240.0070.01016.21
7.3.230.0090.01016.49
7.3.210.0100.00716.22
7.3.200.0090.00919.39
7.3.190.0110.00616.17
7.3.180.0110.00716.21
7.3.170.0030.01416.36
7.3.160.0070.01416.42
7.2.330.0130.00416.64
7.2.320.0120.00616.36
7.2.310.0170.00016.61
7.2.300.0150.00316.57
7.2.290.0120.00416.61
7.2.80.0060.00616.77
7.2.00.0030.01319.27
7.1.200.0080.00815.85
7.1.100.0080.00418.16
7.1.70.0000.00916.93
7.1.60.0040.01519.61
7.1.50.0070.01416.79
7.1.00.0100.07022.30
7.0.200.0080.00616.61
7.0.140.0070.07021.90
7.0.60.0070.07719.95
7.0.50.0000.06717.86
7.0.40.0070.09019.98
7.0.30.0300.08020.09
7.0.20.0370.07320.33
7.0.10.0030.06319.99
7.0.00.0070.06720.16
5.6.280.0000.07321.07
5.6.210.0030.04020.66
5.6.200.0100.07718.12
5.6.190.0100.08720.43
5.6.180.3470.04320.35
5.6.170.0500.04720.52
5.6.160.0030.06020.37
5.6.150.0130.07318.22
5.6.140.0100.05018.15
5.6.130.0070.08018.21
5.6.120.0100.08021.00
5.6.110.0100.06321.00
5.6.100.0030.05020.96
5.6.90.0030.09021.01
5.6.80.0000.04020.36
5.5.350.0270.07320.30
5.5.340.0100.07717.99
5.5.330.0170.04320.40
5.5.320.0230.05320.30
5.5.310.0170.04020.18
5.5.300.0130.05018.00
5.5.290.0030.04018.02
5.5.280.0330.04020.96
5.5.270.0100.05720.64
5.5.260.0030.04020.73
5.5.250.0070.07720.53
5.5.240.0030.07320.22
5.4.450.0730.06719.42
5.4.440.0370.04019.58
5.4.430.0130.05019.17
5.4.420.0800.06019.66
5.4.410.0730.05019.25
5.4.400.0530.05318.90
5.4.390.0670.06019.13
5.4.380.0270.07318.68
5.4.370.0300.06018.50
5.4.360.0270.05718.61
5.4.350.0330.05318.77
5.4.340.0170.05318.72
5.4.320.0080.05312.46
5.4.310.0100.04012.46
5.4.300.0060.03712.47
5.4.290.0060.04112.46
5.4.280.0080.03612.36
5.4.270.0090.03412.36
5.4.260.0080.03612.36
5.4.250.0090.05012.36
5.4.240.0110.03712.36
5.4.230.0080.04312.35
5.4.220.0090.03812.35
5.4.210.0060.04112.35
5.4.200.0060.04312.35
5.4.190.0090.04912.35
5.4.180.0060.03812.35
5.4.170.0070.04812.36
5.4.160.0070.03812.35
5.4.150.0070.03712.35
5.4.140.0100.04912.04
5.4.130.0070.04712.02
5.4.120.0090.06311.98
5.4.110.0170.04211.98
5.4.100.0060.04711.98
5.4.90.0080.05011.97
5.4.80.0070.05111.98
5.4.70.0110.04111.97
5.4.60.0080.04711.97
5.4.50.0060.04111.97
5.4.40.0030.03811.96
5.4.30.0070.03911.95
5.4.20.0100.03411.96
5.4.10.0050.03811.96
5.4.00.0040.03911.45
5.3.290.0090.03812.80
5.3.280.0070.03712.71
5.3.270.0060.03912.72
5.3.260.0070.03812.72
5.3.250.0040.04112.72
5.3.240.0070.03512.72
5.3.230.0070.03812.71
5.3.220.0050.04112.68
5.3.210.0120.03612.68
5.3.200.0100.03512.68
5.3.190.0070.03712.68
5.3.180.0080.03512.68
5.3.170.0100.03412.67
5.3.160.0120.06112.67
5.3.150.0050.04112.68
5.3.140.0050.03812.66
5.3.130.0060.04012.66
5.3.120.0100.04112.65
5.3.110.0060.03912.66
5.3.100.0050.03812.12
5.3.90.0080.03912.08
5.3.80.0110.03612.07
5.3.70.0070.03712.08
5.3.60.0050.03812.07
5.3.50.0070.03712.00
5.3.40.0060.03812.00
5.3.30.0110.03011.95
5.3.20.0070.03411.72
5.3.10.0090.03411.70
5.3.00.0060.04311.68
5.2.170.0040.0349.18
5.2.160.0050.0319.18
5.2.150.0050.0319.18
5.2.140.0040.0319.17
5.2.130.0060.0289.14
5.2.120.0060.0289.13
5.2.110.0040.0299.14
5.2.100.0080.0269.14
5.2.90.0030.0309.14
5.2.80.0080.0289.14
5.2.70.0050.0309.13
5.2.60.0050.0329.09
5.2.50.0050.0319.06
5.2.40.0030.0309.04
5.2.30.0020.0329.01
5.2.20.0060.0359.00
5.2.10.0110.0328.92
5.2.00.0050.0328.78
5.1.60.0060.0268.07
5.1.50.0040.0258.06
5.1.40.0050.0258.04
5.1.30.0060.0258.40
5.1.20.0060.0258.41
5.1.10.0060.0248.13
5.1.00.0020.0278.14
5.0.50.0030.0216.62
5.0.40.0050.0186.47
5.0.30.0020.0336.29
5.0.20.0030.0196.26
5.0.10.0010.0216.24
5.0.00.0010.0326.23
4.4.90.0020.0154.77
4.4.80.0040.0184.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0030.0164.77
4.4.40.0020.0274.71
4.4.30.0010.0174.76
4.4.20.0020.0164.84
4.4.10.0040.0144.85
4.4.00.0030.0294.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0030.0144.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0010.0164.63
4.3.40.0030.0234.54
4.3.30.0040.0163.29
4.3.20.0020.0173.27
4.3.10.0010.0173.22
4.3.00.0100.01318.16

preferences:
43.37 ms | 400 KiB | 5 Q