3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reorderArray($array, $key) { $found = false; foreach($array as $k=>$v) { $found = $found || $k===$key; if(!$found) { unset($array[$k]); $array[$k] = $v; } } return $array; } $array=[1=>'foo', 4=>'bar', 6=>'baz', 7=>'baz', 2=>'efg', 3=>'kdjh']; var_dump(reorderArray($array, 'n1'));

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)
8.3.40.0110.00418.67
8.3.30.0030.01019.08
8.3.20.0040.01119.91
8.3.10.0030.00520.53
8.3.00.0000.00819.09
8.2.170.0140.00722.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0040.00422.11
8.2.110.0080.00022.20
8.2.100.0040.00717.78
8.2.90.0080.00019.21
8.2.80.0000.00817.97
8.2.70.0000.00917.63
8.2.60.0000.01018.05
8.2.50.0040.00418.07
8.2.40.0090.00018.04
8.2.30.0040.00419.23
8.2.20.0040.00417.80
8.2.10.0000.00718.00
8.2.00.0050.00317.73
8.1.270.0040.00423.86
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.88
8.1.230.0090.00319.09
8.1.220.0000.00817.78
8.1.210.0040.00418.77
8.1.200.0090.00017.36
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0030.00518.46
8.1.160.0040.00422.02
8.1.150.0040.00418.80
8.1.140.0040.00417.50
8.1.130.0000.00717.89
8.1.120.0030.00317.49
8.1.110.0000.00817.43
8.1.100.0040.00317.45
8.1.90.0030.00617.50
8.1.80.0030.00317.48
8.1.70.0070.00017.41
8.1.60.0040.00417.48
8.1.50.0000.00817.52
8.1.40.0000.00717.50
8.1.30.0040.00417.65
8.1.20.0050.00217.49
8.1.10.0040.00417.62
8.1.00.0050.00317.48
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.43
8.0.270.0000.00717.17
8.0.260.0000.00717.17
8.0.250.0070.00016.95
8.0.240.0000.00616.89
8.0.230.0060.00017.00
8.0.220.0000.00716.95
8.0.210.0070.00016.80
8.0.200.0070.00016.95
8.0.190.0030.00516.94
8.0.180.0000.00816.89
8.0.170.0080.00016.89
8.0.160.0030.00316.96
8.0.150.0070.00016.70
8.0.140.0040.00416.87
8.0.130.0030.00313.32
8.0.120.0050.00316.88
8.0.110.0040.00416.87
8.0.100.0040.00416.90
8.0.90.0070.00016.71
8.0.80.0090.00616.93
8.0.70.0000.00716.96
8.0.60.0030.00516.80
8.0.50.0050.00316.95
8.0.30.0080.01417.21
8.0.20.0090.01417.40
8.0.10.0000.00817.14
8.0.00.0080.01116.85
7.4.330.0020.00215.13
7.4.320.0000.00616.49
7.4.300.0000.00716.52
7.4.290.0040.00416.52
7.4.280.0050.00316.47
7.4.270.0050.00316.53
7.4.260.0050.00316.63
7.4.250.0060.00316.46
7.4.240.0020.00516.50
7.4.230.0030.00316.61
7.4.220.0120.00616.59
7.4.210.0070.00716.55
7.4.200.0040.00416.35
7.4.160.0140.00316.42
7.4.150.0040.01517.40
7.4.140.0100.00717.86
7.4.130.0080.01016.53
7.4.120.0110.00616.52
7.4.110.0090.00916.48
7.4.100.0120.00916.59
7.4.90.0030.01416.38
7.4.80.0090.00919.39
7.4.70.0180.00616.64
7.4.60.0120.00616.50
7.4.50.0060.00316.57
7.4.40.0060.01516.42
7.4.30.0120.00616.50
7.4.00.0000.01414.90
7.3.330.0060.00013.14
7.3.320.0000.00513.23
7.3.310.0070.00016.35
7.3.300.0050.00316.37
7.3.290.0060.00916.36
7.3.280.0100.00716.31
7.3.270.0060.01217.40
7.3.260.0150.00316.40
7.3.250.0110.00616.38
7.3.240.0140.00416.54
7.3.230.0120.00616.39
7.3.210.0090.00916.53
7.3.200.0120.00616.34
7.3.190.0080.00916.36
7.3.180.0090.00816.36
7.3.170.0060.01116.65
7.3.160.0120.00416.36
7.2.330.0110.00716.60
7.2.320.0130.00416.73
7.2.310.0030.01416.74
7.2.300.0080.01216.62
7.2.290.0030.01416.60
7.2.00.0070.00719.50
7.1.100.0040.00718.14
7.1.70.0000.00716.93
7.1.60.0100.01319.32
7.1.50.0100.01316.66
7.1.00.0000.08022.43
7.0.200.0040.00416.52
7.0.140.0070.07022.04
7.0.60.0070.04720.07
7.0.50.0070.07717.73
7.0.40.0030.05020.37
7.0.30.0330.08020.07
7.0.20.0170.05020.23
7.0.10.0130.08320.30
7.0.00.0070.04020.31
5.6.280.0070.07020.99
5.6.210.0130.07020.50
5.6.200.0070.04718.20
5.6.190.0030.09020.57
5.6.180.0400.05020.57
5.6.170.0400.07320.54
5.6.160.0170.07020.46
5.6.150.0070.08018.12
5.6.140.0100.07018.14
5.6.130.0030.04018.11
5.6.120.0100.07720.95
5.6.110.0070.08721.14
5.6.100.0030.04020.91
5.6.90.0070.08320.97
5.6.80.0170.06320.38
5.5.350.0170.08020.36
5.5.340.0070.08018.02
5.5.330.0070.05720.23
5.5.320.0170.03720.33
5.5.310.0270.04720.21
5.5.300.0000.08717.94
5.5.290.0130.07317.97
5.5.280.0070.08720.66
5.5.270.0200.07720.83
5.5.260.0170.07020.89
5.5.250.0030.04720.78
5.5.240.0170.07720.28
5.4.450.0170.05319.41
5.4.440.0970.07019.36
5.4.430.0730.05019.59
5.4.420.0700.00019.38
5.4.410.0630.00019.57
5.4.400.0630.00019.23
5.4.390.0630.00019.07
5.4.380.0300.07018.80
5.4.370.0330.05018.50
5.4.360.0470.04318.79
5.4.350.0330.05718.84
5.4.340.0300.06318.78
5.4.320.0060.03812.51
5.4.310.0060.03812.50
5.4.300.0060.04012.51
5.4.290.0040.03912.50
5.4.280.0070.04012.40
5.4.270.0050.03712.40
5.4.260.0040.03812.39
5.4.250.0040.03912.40
5.4.240.0050.03712.40
5.4.230.0060.04212.39
5.4.220.0070.03512.39
5.4.210.0060.03512.39
5.4.200.0070.03612.39
5.4.190.0030.03812.38
5.4.180.0070.03512.39
5.4.170.0070.03412.39
5.4.160.0050.03612.39
5.4.150.0060.04312.38
5.4.140.0060.03512.07
5.4.130.0060.03412.06
5.4.120.0060.03412.02
5.4.110.0060.03512.01
5.4.100.0070.03512.01
5.4.90.0050.04712.01
5.4.80.0050.04012.02
5.4.70.0060.03412.01
5.4.60.0070.03412.01
5.4.50.0060.03612.00
5.4.40.0070.03412.00
5.4.30.0050.03811.99
5.4.20.0050.03711.99
5.4.10.0070.03511.99
5.4.00.0050.03611.48
5.3.290.0030.04212.80
5.3.280.0070.03612.71
5.3.270.0070.03812.72
5.3.260.0060.03812.72
5.3.250.0070.04212.72
5.3.240.0080.03512.72
5.3.230.0060.04312.71
5.3.220.0050.04112.68
5.3.210.0040.04012.68
5.3.200.0040.03712.68
5.3.190.0080.03512.68
5.3.180.0060.04012.67
5.3.170.0070.03712.67
5.3.160.0040.03812.67
5.3.150.0030.04012.68
5.3.140.0080.03812.66
5.3.130.0070.03912.66
5.3.120.0050.04012.66
5.3.110.0040.04112.66
5.3.100.0040.04312.12
5.3.90.0100.03412.11
5.3.80.0070.05012.09
5.3.70.0070.03712.09
5.3.60.0070.03412.08
5.3.50.0060.03512.02
5.3.40.0030.03912.02
5.3.30.0060.03911.98
5.3.20.0080.03211.76
5.3.10.0050.03511.73
5.3.00.0030.03811.72
5.2.170.0080.0259.21
5.2.160.0020.0319.21
5.2.150.0060.0339.21
5.2.140.0040.0309.21
5.2.130.0040.0299.17
5.2.120.0040.0309.17
5.2.110.0060.0289.18
5.2.100.0070.0289.18
5.2.90.0050.0289.18
5.2.80.0060.0289.18
5.2.70.0050.0299.18
5.2.60.0060.0299.13
5.2.50.0060.0299.10
5.2.40.0060.0279.07
5.2.30.0050.0299.05
5.2.20.0050.0289.04
5.2.10.0050.0268.94
5.2.00.0040.0288.81
5.1.60.0040.0248.09
5.1.50.0050.0238.08
5.1.40.0020.0268.07
5.1.30.0070.0228.42
5.1.20.0030.0278.43
5.1.10.0040.0258.17
5.1.00.0050.0248.16
5.0.50.0040.0206.64
5.0.40.0010.0206.50
5.0.30.0040.0306.32
5.0.20.0020.0206.28
5.0.10.0040.0196.26
5.0.00.0030.0316.25
4.4.90.0010.0174.78
4.4.80.0010.0164.76
4.4.70.0060.0174.75
4.4.60.0040.0184.75
4.4.50.0030.0194.77
4.4.40.0020.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0010.0174.67
4.3.100.0030.0144.67
4.3.90.0030.0144.64
4.3.80.0020.0244.58
4.3.70.0030.0144.63
4.3.60.0030.0134.63
4.3.50.0050.0124.62
4.3.40.0030.0234.54
4.3.30.0040.0133.30
4.3.20.0020.0163.28
4.3.10.0020.0213.24
4.3.00.0100.02315.60

preferences:
46.43 ms | 400 KiB | 5 Q