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($students[0]["name"]); print_r($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)
8.3.70.0150.00416.75
8.3.60.0090.00918.18
8.3.50.0110.00822.00
8.3.40.0030.01018.84
8.3.30.0030.01018.92
8.3.20.0000.00720.20
8.3.10.0000.00823.65
8.3.00.0030.00519.05
8.2.180.0110.00416.75
8.2.170.0000.01422.96
8.2.160.0060.00920.36
8.2.150.0050.00324.18
8.2.140.0070.00724.66
8.2.130.0070.00026.16
8.2.120.0090.00020.70
8.2.110.0080.00020.51
8.2.100.0080.00319.28
8.2.90.0000.00719.25
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0000.00819.75
8.2.30.0000.00718.30
8.2.20.0050.00317.58
8.2.10.0030.00317.87
8.2.00.0000.00817.64
8.1.280.0030.01025.92
8.1.270.0030.00523.83
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00622.09
8.1.230.0090.00319.07
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00417.22
8.1.180.0000.00918.10
8.1.170.0070.00318.50
8.1.160.0030.00321.81
8.1.150.0000.00818.44
8.1.140.0030.00517.43
8.1.130.0030.00317.69
8.1.120.0000.00717.31
8.1.110.0040.00417.41
8.1.100.0060.00317.35
8.1.90.0070.00317.40
8.1.80.0000.00717.30
8.1.70.0040.00417.31
8.1.60.0000.00917.42
8.1.50.0000.00817.40
8.1.40.0040.00717.33
8.1.30.0000.00917.51
8.1.20.0000.00717.54
8.1.10.0030.00617.50
8.1.00.0040.00417.27
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0040.00418.37
8.0.270.0070.00017.15
8.0.260.0040.00417.18
8.0.250.0040.00416.91
8.0.240.0000.00716.87
8.0.230.0040.00416.79
8.0.220.0060.00016.80
8.0.210.0000.00716.84
8.0.200.0030.00316.86
8.0.190.0080.00016.87
8.0.180.0040.00416.83
8.0.170.0040.00416.83
8.0.160.0000.00716.75
8.0.150.0030.00516.80
8.0.140.0000.00716.71
8.0.130.0000.00513.23
8.0.120.0040.00416.74
8.0.110.0070.00016.77
8.0.100.0040.00416.86
8.0.90.0070.00016.89
8.0.80.0110.01116.75
8.0.70.0030.00316.69
8.0.60.0050.00216.79
8.0.50.0040.00316.68
8.0.30.0110.00917.14
8.0.20.0090.00917.40
8.0.10.0040.00416.99
8.0.00.0100.00716.78
7.4.330.0000.00515.00
7.4.320.0030.00316.59
7.4.300.0060.00016.45
7.4.290.0030.00316.53
7.4.280.0080.00016.43
7.4.270.0030.00316.61
7.4.260.0000.00816.50
7.4.250.0030.00616.46
7.4.240.0020.00516.58
7.4.230.0050.00216.61
7.4.220.0150.00316.60
7.4.210.0120.00616.53
7.4.200.0000.00816.66
7.4.190.0040.00416.49
7.4.160.0070.01016.49
7.4.150.0130.00717.40
7.4.140.0080.01017.86
7.4.130.0100.01016.49
7.4.120.0090.00816.50
7.4.110.0080.01316.44
7.4.100.0060.01216.61
7.4.90.0110.00716.41
7.4.80.0140.00719.39
7.4.70.0100.00616.34
7.4.60.0110.00516.40
7.4.50.0050.00316.68
7.4.40.0090.00816.32
7.4.30.0110.00616.25
7.4.00.0040.01314.80
7.3.330.0000.00713.05
7.3.320.0030.00313.05
7.3.310.0050.00216.32
7.3.300.0030.00316.28
7.3.290.0120.00616.25
7.3.280.0110.00816.25
7.3.270.0160.00717.40
7.3.260.0070.01516.39
7.3.250.0130.00416.39
7.3.240.0130.00316.15
7.3.230.0120.00616.39
7.3.210.0080.01316.43
7.3.200.0180.00319.39
7.3.190.0070.01016.21
7.3.180.0060.01016.47
7.3.170.0130.00316.34
7.3.160.0080.01316.12
7.3.120.0060.00914.68
7.3.110.0100.00714.86
7.3.100.0030.00914.55
7.3.90.0030.00914.66
7.3.80.0090.00614.32
7.3.70.0040.01514.63
7.3.60.0070.00714.30
7.3.50.0140.00014.50
7.3.40.0030.00714.41
7.3.30.0090.00614.59
7.3.20.0000.01416.45
7.3.10.0070.00416.32
7.3.00.0060.00316.66
7.2.330.0140.00316.29
7.2.320.0110.00716.29
7.2.310.0100.00616.52
7.2.300.0120.00916.53
7.2.290.0080.00816.31
7.2.250.0040.01414.78
7.2.240.0100.01015.01
7.2.230.0070.00714.92
7.2.220.0070.01015.03
7.2.210.0060.00614.90
7.2.200.0060.00914.64
7.2.190.0030.00614.89
7.2.180.0110.00314.77
7.2.170.0060.00614.97
7.2.110.0150.00916.42
7.2.80.0110.00716.47
7.2.60.0100.00716.73
7.2.00.0100.00619.53
7.1.330.0100.00315.61
7.1.320.0060.00315.66
7.1.310.0120.00615.50
7.1.300.0030.01215.81
7.1.290.0100.00615.75
7.1.280.0030.00915.33
7.1.270.0030.01015.41
7.1.260.0060.00615.38
7.1.200.0120.00315.75
7.1.100.0090.00317.79
7.1.70.0040.00416.80
7.1.60.0070.01619.70
7.1.50.0100.01416.47
7.1.00.0030.07722.31
7.0.200.0040.00416.71
7.0.140.0130.06721.95
7.0.60.0100.08019.82
7.0.50.0070.08317.94
7.0.40.0100.08020.40
7.0.30.0200.04320.16
7.0.20.0300.07320.05
7.0.10.0130.08320.06
7.0.00.0100.05320.09
5.6.280.0070.07020.99
5.6.210.0070.08320.72
5.6.200.0070.04718.18
5.6.190.0230.07020.77
5.6.180.0170.04720.42
5.6.170.0200.05020.76
5.6.160.0100.04720.48
5.6.150.0030.07018.30
5.6.140.0100.08018.28
5.6.130.0070.06718.14
5.6.120.0100.07721.09
5.6.110.0130.07721.04
5.6.100.0130.07321.02
5.6.90.0070.08020.97
5.6.80.0030.07020.51
5.5.350.3670.03720.38
5.5.340.0070.08017.94
5.5.330.0070.07320.35
5.5.320.0330.08020.36
5.5.310.0230.04020.34
5.5.300.0100.03317.94
5.5.290.0130.07317.96
5.5.280.0100.03320.88
5.5.270.0070.08020.76
5.5.260.0170.07320.86
5.5.250.0000.06720.70
5.5.240.0000.07720.23
5.4.450.0500.05019.44
5.4.440.0230.04019.41
5.4.430.0230.05319.41
5.4.420.0200.05019.40
5.4.410.0230.04319.33
5.4.400.0400.04019.22
5.4.390.0170.04719.06
5.4.380.0400.04718.74
5.4.370.0430.05318.48
5.4.360.0430.05318.80
5.4.350.0430.04718.55
5.4.340.0400.06018.59
5.4.320.0090.03312.48
5.4.310.0080.04512.48
5.4.300.0130.04912.48
5.4.290.0060.05712.48
5.4.280.0080.04112.38
5.4.270.0100.03812.38
5.4.260.0140.04212.38
5.4.250.0120.04212.38
5.4.240.0110.05512.38
5.4.230.0060.04412.37
5.4.220.0070.03712.37
5.4.210.0070.04112.37
5.4.200.0090.03712.37
5.4.190.0080.03712.37
5.4.180.0070.03612.36
5.4.170.0060.03812.38
5.4.160.0060.03712.37
5.4.150.0060.03712.37
5.4.140.0070.03812.05
5.4.130.0040.03912.04
5.4.120.0110.03112.00
5.4.110.0080.03612.00
5.4.100.0090.04112.00
5.4.90.0120.04512.00
5.4.80.0060.04112.00
5.4.70.0090.03911.99
5.4.60.0110.03111.99
5.4.50.0070.03611.99
5.4.40.0070.03511.98
5.4.30.0070.03511.98
5.4.20.0100.03611.98
5.4.10.0100.03511.98
5.4.00.0060.03811.47
5.3.290.0080.04012.80
5.3.280.0100.04712.71
5.3.270.0120.07712.73
5.3.260.0100.03912.72
5.3.250.0100.06912.72
5.3.240.0050.04712.72
5.3.230.0060.04012.71
5.3.220.0130.03712.68
5.3.210.0150.05712.68
5.3.200.0090.03912.68
5.3.190.0100.03912.68
5.3.180.0070.04212.67
5.3.170.0100.03512.67
5.3.160.0100.04012.68
5.3.150.0080.04412.67
5.3.140.0090.04112.66
5.3.130.0110.04312.66
5.3.120.0090.04412.66
5.3.110.0300.11912.65
5.3.100.0080.04212.12
5.3.90.0170.06912.09
5.3.80.0160.06312.08
5.3.70.0220.05812.08
5.3.60.0140.06012.07
5.3.50.0080.04712.01
5.3.40.0090.04912.01
5.3.30.0080.04111.97
5.3.20.0100.04811.75
5.3.10.0140.06411.72
5.3.00.0080.04211.71
5.2.170.0100.0389.21
5.2.160.0070.0439.20
5.2.150.0070.0609.20
5.2.140.0080.0449.20
5.2.130.0070.0459.16
5.2.120.0050.0469.16
5.2.110.0070.0429.17
5.2.100.0080.0409.16
5.2.90.0080.0419.17
5.2.80.0110.0609.16
5.2.70.0120.0599.16
5.2.60.0160.0609.11
5.2.50.0150.0519.08
5.2.40.0100.0429.06
5.2.30.0090.0349.04
5.2.20.0090.0479.02
5.2.10.0200.0508.94
5.2.00.0070.0338.79
5.1.60.0090.0318.08
5.1.50.0070.0348.07
5.1.40.0080.0288.06
5.1.30.0050.0338.41
5.1.20.0050.0308.43
5.1.10.0100.0308.15
5.1.00.0120.0538.15
5.0.50.0120.0306.63
5.0.40.0070.0276.49
5.0.30.0080.0406.30
5.0.20.0080.0246.27
5.0.10.0080.0366.25
5.0.00.0040.0366.24
4.4.90.0050.0234.78
4.4.80.0060.0214.75
4.4.70.0090.0204.75
4.4.60.0060.0184.76
4.4.50.0090.0414.77
4.4.40.0040.0484.71
4.4.30.0040.0234.76
4.4.20.0080.0654.85
4.4.10.0100.0364.84
4.4.00.0060.0314.76
4.3.110.0020.0244.67
4.3.100.0150.0414.67
4.3.90.0060.0204.63
4.3.80.0040.0334.58
4.3.70.0040.0224.63
4.3.60.0060.0194.63
4.3.50.0040.0224.63
4.3.40.0130.0614.54
4.3.30.0060.0253.29
4.3.20.0060.0243.27
4.3.10.0060.0283.23
4.3.00.0030.01318.64

preferences:
35.12 ms | 401 KiB | 5 Q