3v4l.org

run code in 300+ PHP versions simultaneously
<?php $students=array( "name"=>array("akash","jag", "rahul"), "id"=>array(01,02,03), "age"=>array(22,22,22), ); print_r($students); unset($students[0]["akash"]); print_r($students);

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)
8.3.70.0090.00916.75
8.3.60.0140.00418.31
8.3.50.0060.01122.08
8.3.40.0070.00718.54
8.3.30.0100.00318.88
8.3.20.0040.00420.17
8.3.10.0040.00423.46
8.3.00.0070.00019.07
8.2.180.0180.00416.75
8.2.170.0110.00422.96
8.2.160.0030.01020.33
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0000.01018.79
8.2.110.0000.01022.27
8.2.100.0060.00620.52
8.2.90.0050.00319.27
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0050.00617.93
8.2.50.0040.00818.07
8.2.40.0030.00619.95
8.2.30.0040.00418.23
8.2.20.0070.00017.55
8.2.10.0000.00717.98
8.2.00.0000.00717.66
8.1.280.0130.00725.92
8.1.270.0050.00323.76
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0040.00422.14
8.1.230.0070.00419.04
8.1.220.0030.00617.74
8.1.210.0000.00718.77
8.1.200.0050.00517.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0070.00518.34
8.1.160.0070.00021.93
8.1.150.0000.00718.52
8.1.140.0050.00317.33
8.1.130.0030.00317.88
8.1.120.0000.00717.41
8.1.110.0040.00417.40
8.1.100.0000.00717.39
8.1.90.0080.00017.40
8.1.80.0040.00417.38
8.1.70.0000.00817.38
8.1.60.0000.00717.51
8.1.50.0040.00417.47
8.1.40.0060.00317.43
8.1.30.0000.00917.57
8.1.20.0060.00317.49
8.1.10.0040.00417.57
8.1.00.0000.00717.41
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0030.00318.32
8.0.270.0030.00317.18
8.0.260.0060.00017.18
8.0.250.0000.00716.79
8.0.240.0000.00716.91
8.0.230.0030.00316.85
8.0.220.0000.00716.73
8.0.210.0030.00616.80
8.0.200.0000.00816.95
8.0.190.0000.00916.79
8.0.180.0080.00016.84
8.0.170.0000.00716.89
8.0.160.0030.00416.70
8.0.150.0040.00416.73
8.0.140.0050.00316.78
8.0.130.0000.00513.22
8.0.120.0000.00716.81
8.0.110.0080.00016.88
8.0.100.0000.00816.82
8.0.90.0000.00716.89
8.0.80.0090.00616.81
8.0.70.0030.00516.67
8.0.60.0000.00816.83
8.0.50.0000.00716.62
8.0.30.0120.00817.05
8.0.20.0070.01317.40
8.0.10.0000.00717.02
8.0.00.0100.00816.66
7.4.330.0000.00615.08
7.4.320.0030.00316.49
7.4.300.0040.00416.50
7.4.290.0020.00516.51
7.4.280.0000.00716.47
7.4.270.0070.00016.62
7.4.260.0030.00316.48
7.4.250.0020.00516.38
7.4.240.0000.00716.59
7.4.230.0030.00316.24
7.4.220.0060.01216.55
7.4.210.0040.01116.47
7.4.200.0070.00016.48
7.4.190.0030.00316.63
7.4.160.0120.00816.51
7.4.150.0070.01117.40
7.4.140.0100.00717.86
7.4.130.0100.00616.36
7.4.120.0150.00516.44
7.4.110.0160.00716.46
7.4.100.0090.01516.41
7.4.90.0060.01116.46
7.4.80.0080.01519.39
7.4.70.0080.00816.59
7.4.60.0050.01116.29
7.4.50.0000.00816.44
7.4.40.0130.00316.50
7.4.30.0060.00916.28
7.4.00.0090.00614.99
7.3.330.0030.00313.14
7.3.320.0050.00012.98
7.3.310.0030.00516.31
7.3.300.0030.00416.28
7.3.290.0140.00016.21
7.3.280.0120.00716.32
7.3.270.0070.01117.40
7.3.260.0100.00716.37
7.3.250.0090.00916.37
7.3.240.0070.01116.41
7.3.230.0120.01016.39
7.3.210.0120.00616.09
7.3.200.0090.01119.39
7.3.190.0090.01316.25
7.3.180.0150.00016.64
7.3.170.0040.01216.31
7.3.160.0060.01116.19
7.3.120.0060.01214.97
7.2.330.0030.01316.25
7.2.320.0170.00016.17
7.2.310.0110.00516.52
7.2.300.0060.00916.57
7.2.290.0110.00716.65
7.2.00.0000.01119.27
7.1.70.0000.00717.05
7.1.60.0100.01619.70
7.1.50.0040.01816.91
7.1.00.0030.07722.43
7.0.200.0070.01116.80
7.0.140.0030.07322.21
7.0.60.0070.08020.02
7.0.50.0100.07017.83
7.0.40.0070.04020.18
7.0.30.0270.05020.12
7.0.20.0330.07320.16
7.0.10.0000.05320.19
7.0.00.0070.08020.12
5.6.280.0000.07021.04
5.6.210.0100.07720.60
5.6.200.0100.03318.28
5.6.190.0070.08320.64
5.6.180.0330.07320.52
5.6.170.0270.03020.50
5.6.160.0070.06720.57
5.6.150.0130.04318.14
5.6.140.0070.03718.24
5.6.130.0000.04718.24
5.6.120.0070.08020.99
5.6.110.0100.07721.04
5.6.100.0230.07321.03
5.6.90.0070.04721.11
5.6.80.0030.08020.50
5.5.350.0130.03320.52
5.5.340.0070.04317.95
5.5.330.0130.03720.29
5.5.320.0430.07020.36
5.5.310.0400.03020.31
5.5.300.0100.07718.01
5.5.290.0070.08017.98
5.5.280.0100.09320.96
5.5.270.0030.06020.64
5.5.260.0070.08320.79
5.5.250.0030.04020.58
5.5.240.0070.07720.27
5.4.450.0230.05719.82
5.4.440.0330.03719.46
5.4.430.0400.03719.45
5.4.420.0470.04019.48
5.4.410.0170.03319.19
5.4.400.0130.04019.22
5.4.390.0300.03719.06
5.4.380.0300.05718.75
5.4.370.0570.04718.68
5.4.360.0330.05718.80
5.4.350.0470.05318.57
5.4.340.0470.05318.59
5.4.320.0070.05112.48
5.4.310.0060.04012.48
5.4.300.0090.05012.49
5.4.290.0060.05812.48
5.4.280.0090.05212.38
5.4.270.0100.05312.38
5.4.260.0090.05912.38
5.4.250.0150.05912.38
5.4.240.0220.09212.38
5.4.230.0160.05712.37
5.4.220.0110.05712.37
5.4.210.0250.06112.37
5.4.200.0130.05112.37
5.4.190.0180.05412.36
5.4.180.0060.04512.36
5.4.170.0020.04212.38
5.4.160.0120.04012.37
5.4.150.0050.04212.37
5.4.140.0100.03912.05
5.4.130.0060.05112.04
5.4.120.0100.04412.00
5.4.110.0050.05511.99
5.4.100.0120.07812.00
5.4.90.0090.05712.00
5.4.80.0090.04912.00
5.4.70.0170.06311.99
5.4.60.0170.08111.99
5.4.50.0130.06711.99
5.4.40.0110.04511.98
5.4.30.0120.04711.98
5.4.20.0120.04911.98
5.4.10.0130.05111.98
5.4.00.0140.05111.47
5.3.290.0080.03812.80
5.3.280.0110.05012.71
5.3.270.0110.05112.72
5.3.260.0070.04512.72
5.3.250.0140.05912.72
5.3.240.0080.04812.72
5.3.230.0100.03812.71
5.3.220.0130.03612.68
5.3.210.0130.04712.68
5.3.200.0130.04812.68
5.3.190.0110.05012.68
5.3.180.0090.05112.67
5.3.170.0110.07212.67
5.3.160.0080.05412.67
5.3.150.0070.04112.68
5.3.140.0100.03812.66
5.3.130.0070.04412.66
5.3.120.0090.04312.66
5.3.110.0070.04212.66
5.3.100.0090.03812.12
5.3.90.0100.03712.09
5.3.80.0070.03912.08
5.3.70.0050.04112.08
5.3.60.0100.03712.06
5.3.50.0100.03612.01
5.3.40.0040.04112.01
5.3.30.0070.03811.97
5.3.20.0100.03411.75
5.3.10.0070.04611.71
5.3.00.0140.07011.71
5.2.170.0140.0669.20
5.2.160.0110.0409.20
5.2.150.0090.0429.20
5.2.140.0040.0469.20
5.2.130.0070.0389.16
5.2.120.0090.0289.16
5.2.110.0060.0329.17
5.2.100.0060.0319.17
5.2.90.0060.0329.17
5.2.80.0080.0439.16
5.2.70.0110.0409.16
5.2.60.0120.0769.12
5.2.50.0140.0569.09
5.2.40.0110.0469.06
5.2.30.0120.0489.04
5.2.20.0130.0499.02
5.2.10.0100.0458.93
5.2.00.0150.0628.79
5.1.60.0110.0768.07
5.1.50.0090.0328.07
5.1.40.0100.0348.06
5.1.30.0070.0588.41
5.1.20.0090.0458.43
5.1.10.0100.0478.15
5.1.00.0050.0288.15
5.0.50.0090.0226.63
5.0.40.0070.0296.49
5.0.30.0040.0406.30
5.0.20.0070.0216.27
5.0.10.0020.0246.25
5.0.00.0070.0326.24
4.4.90.0030.0194.78
4.4.80.0060.0164.76
4.4.70.0030.0174.75
4.4.60.0050.0164.76
4.4.50.0030.0194.77
4.4.40.0060.0254.71
4.4.30.0040.0164.76
4.4.20.0040.0164.84
4.4.10.0050.0164.85
4.4.00.0050.0284.76
4.3.110.0070.0244.67
4.3.100.0070.0214.67
4.3.90.0050.0224.64
4.3.80.0090.0324.59
4.3.70.0050.0214.63
4.3.60.0050.0234.63
4.3.50.0100.0344.63
4.3.40.0080.0554.54
4.3.30.0180.0503.30
4.3.20.0040.0203.27
4.3.10.0040.0203.23
4.3.00.0200.01318.64

preferences:
113.66 ms | 401 KiB | 5 Q