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; } $array=[1=>'foo', 4=>'bar', 9=>'baz', 12=>'baz']; var_dump(reorderArray($array, 1));

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)
8.3.70.0060.01018.10
8.3.60.0110.00418.30
8.3.50.0090.00921.16
8.3.40.0090.00618.58
8.3.30.0130.00319.05
8.3.20.0070.00020.24
8.3.10.0080.00020.45
8.3.00.0000.00819.25
8.2.180.0110.00416.38
8.2.170.0120.00322.96
8.2.160.0030.01020.41
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00021.98
8.2.110.0090.00020.46
8.2.100.0090.00318.16
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0110.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00418.32
8.2.30.0000.00719.13
8.2.20.0030.00617.67
8.2.10.0040.00418.11
8.2.00.0040.00417.87
8.1.280.0140.00325.92
8.1.270.0040.00423.97
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0000.00822.05
8.1.230.0000.01119.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.38
8.1.190.0050.00317.25
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0030.00521.89
8.1.150.0070.00018.88
8.1.140.0000.00717.39
8.1.130.0070.00017.82
8.1.120.0040.00317.37
8.1.110.0080.00017.44
8.1.100.0000.00717.36
8.1.90.0000.00717.43
8.1.80.0040.00417.50
8.1.70.0000.00717.34
8.1.60.0050.00517.54
8.1.50.0000.00917.45
8.1.40.0000.00817.46
8.1.30.0040.00417.64
8.1.20.0030.00517.72
8.1.10.0000.00717.50
8.1.00.0000.00817.33
8.0.300.0050.00318.77
8.0.290.0000.00716.75
8.0.280.0030.00418.45
8.0.270.0070.00017.17
8.0.260.0030.00317.25
8.0.250.0070.00017.02
8.0.240.0050.00217.00
8.0.230.0000.00716.84
8.0.220.0030.00316.92
8.0.210.0030.00316.95
8.0.200.0030.00616.95
8.0.190.0080.00016.95
8.0.180.0040.00416.94
8.0.170.0000.00716.92
8.0.160.0040.00416.81
8.0.150.0030.00316.70
8.0.140.0000.00816.83
8.0.130.0000.00613.32
8.0.120.0050.00316.77
8.0.110.0000.00716.91
8.0.100.0040.00416.79
8.0.90.0030.00516.90
8.0.80.0110.00416.86
8.0.70.0040.00416.80
8.0.60.0050.00216.89
8.0.50.0050.00316.86
8.0.30.0080.01317.09
8.0.20.0090.01217.40
8.0.10.0020.00517.13
8.0.00.0130.00816.84
7.4.330.0020.00215.00
7.4.320.0000.00616.54
7.4.300.0030.00316.64
7.4.290.0060.00316.60
7.4.280.0050.00316.63
7.4.270.0030.00316.54
7.4.260.0000.00716.48
7.4.250.0040.00416.46
7.4.240.0030.00316.54
7.4.230.0000.00716.59
7.4.220.0120.00616.51
7.4.210.0160.00316.38
7.4.200.0030.00516.45
7.4.160.0090.00616.42
7.4.150.0210.00017.40
7.4.140.0060.01117.86
7.4.130.0080.01016.48
7.4.120.0100.00816.57
7.4.110.0030.01316.66
7.4.100.0110.00716.56
7.4.90.0110.01116.66
7.4.80.0110.00619.03
7.4.70.0080.01216.42
7.4.60.0070.01716.59
7.4.50.0000.00816.54
7.4.40.0090.01216.59
7.4.30.0080.00816.43
7.4.00.0040.00815.13
7.3.330.0030.00313.32
7.3.320.0000.00513.23
7.3.310.0040.00416.37
7.3.300.0000.00716.31
7.3.290.0030.01016.36
7.3.280.0120.00816.32
7.3.270.0090.00917.40
7.3.260.0120.00516.32
7.3.250.0070.01016.50
7.3.240.0190.00316.65
7.3.230.0120.00616.52
7.3.210.0080.00916.61
7.3.200.0100.01019.39
7.3.190.0130.00316.26
7.3.180.0130.00316.46
7.3.170.0100.00716.36
7.3.160.0030.01716.45
7.2.330.0090.00916.84
7.2.320.0070.01016.42
7.2.310.0100.01016.59
7.2.300.0100.00616.71
7.2.290.0110.00616.63
7.2.60.0070.00416.86
7.2.00.0030.00619.53
7.1.200.0000.01215.86
7.1.100.0000.00818.13
7.1.70.0030.00717.23
7.1.60.0060.01219.32
7.1.50.0160.00616.81
7.1.00.0030.07722.45
7.0.200.0040.00416.79
7.0.140.0000.07722.15
7.0.60.0070.04020.01
7.0.50.0100.08017.95
7.0.40.0070.04320.09
7.0.30.0330.08020.17
7.0.20.0070.05020.35
7.0.10.0030.08720.33
7.0.00.0000.04320.23
5.6.280.0000.07720.91
5.6.210.0170.05020.65
5.6.200.0100.08018.16
5.6.190.0130.06320.52
5.6.180.0430.05720.48
5.6.170.0270.07020.52
5.6.160.0100.06320.46
5.6.150.0100.04718.18
5.6.140.0100.08018.18
5.6.130.0030.04018.14
5.6.120.0030.09020.77
5.6.110.0030.06020.98
5.6.100.0030.04320.96
5.6.90.0030.04321.00
5.6.80.0070.07720.38
5.5.350.0230.08020.39
5.5.340.0070.05018.04
5.5.330.0100.03720.42
5.5.320.0270.03720.21
5.5.310.0200.08720.28
5.5.300.0030.08018.06
5.5.290.0100.05717.94
5.5.280.0030.08320.77
5.5.270.0030.05320.94
5.5.260.0000.08020.86
5.5.250.0070.07720.71
5.5.240.0030.08720.22
5.4.450.0270.03019.32
5.4.440.1070.05019.47
5.4.430.1200.05019.57
5.4.420.0670.00019.52
5.4.410.0600.00019.44
5.4.400.0600.00019.22
5.4.390.0600.00019.07
5.4.380.0370.05018.75
5.4.370.0200.05318.83
5.4.360.0530.07018.63
5.4.350.0200.06018.63
5.4.340.0130.05718.78
5.4.320.0050.03612.50
5.4.310.0070.03512.50
5.4.300.0050.03712.50
5.4.290.0070.03512.50
5.4.280.0040.04212.40
5.4.270.0070.03912.40
5.4.260.0090.03312.39
5.4.250.0060.03612.40
5.4.240.0070.03412.40
5.4.230.0050.03712.39
5.4.220.0030.04412.39
5.4.210.0070.03912.39
5.4.200.0050.03812.39
5.4.190.0100.03012.39
5.4.180.0110.04012.38
5.4.170.0050.04412.39
5.4.160.0070.03412.39
5.4.150.0040.03712.39
5.4.140.0040.03712.07
5.4.130.0080.03312.05
5.4.120.0070.03812.02
5.4.110.0020.04312.01
5.4.100.0090.03712.02
5.4.90.0040.03712.01
5.4.80.0060.04112.01
5.4.70.0040.03612.01
5.4.60.0060.03412.01
5.4.50.0080.03312.01
5.4.40.0070.03412.00
5.4.30.0040.03911.99
5.4.20.0050.03411.99
5.4.10.0030.03511.99
5.4.00.0040.03611.48
5.3.290.0070.03712.80
5.3.280.0060.03712.71
5.3.270.0100.04512.73
5.3.260.0030.04112.72
5.3.250.0050.03812.72
5.3.240.0060.03612.72
5.3.230.0030.04112.71
5.3.220.0040.03712.68
5.3.210.0070.04012.68
5.3.200.0050.03912.68
5.3.190.0070.04412.68
5.3.180.0060.04012.68
5.3.170.0010.04012.67
5.3.160.0050.03612.67
5.3.150.0060.04012.67
5.3.140.0070.03612.66
5.3.130.0020.04312.66
5.3.120.0090.03512.66
5.3.110.0030.04112.66
5.3.100.0030.04112.12
5.3.90.0020.03912.11
5.3.80.0040.03812.09
5.3.70.0040.03812.09
5.3.60.0060.03612.08
5.3.50.0070.03812.02
5.3.40.0050.04112.02
5.3.30.0040.03711.98
5.3.20.0060.03511.76
5.3.10.0070.03411.73
5.3.00.0090.03811.72
5.2.170.0050.0299.21
5.2.160.0040.0329.22
5.2.150.0030.0339.21
5.2.140.0040.0309.21
5.2.130.0060.0279.17
5.2.120.0050.0279.18
5.2.110.0020.0319.18
5.2.100.0050.0299.18
5.2.90.0020.0309.18
5.2.80.0050.0299.17
5.2.70.0040.0319.17
5.2.60.0050.0299.13
5.2.50.0040.0309.10
5.2.40.0070.0259.07
5.2.30.0040.0289.05
5.2.20.0050.0279.04
5.2.10.0070.0288.95
5.2.00.0050.0298.80
5.1.60.0040.0238.09
5.1.50.0050.0238.09
5.1.40.0050.0258.07
5.1.30.0070.0248.42
5.1.20.0040.0288.44
5.1.10.0040.0298.16
5.1.00.0030.0298.16
5.0.50.0040.0206.64
5.0.40.0020.0246.50
5.0.30.0050.0286.31
5.0.20.0050.0186.28
5.0.10.0050.0186.26
5.0.00.0030.0326.26
4.4.90.0050.0164.77
4.4.80.0040.0224.76
4.4.70.0010.0174.75
4.4.60.0040.0154.75
4.4.50.0030.0204.77
4.4.40.0020.0304.71
4.4.30.0050.0184.76
4.4.20.0030.0194.84
4.4.10.0020.0154.85
4.4.00.0030.0234.76
4.3.110.0030.0184.67
4.3.100.0030.0184.66
4.3.90.0020.0194.64
4.3.80.0020.0254.59
4.3.70.0020.0164.63
4.3.60.0030.0144.63
4.3.50.0000.0174.63
4.3.40.0050.0204.54
4.3.30.0010.0213.30
4.3.20.0030.0183.28
4.3.10.0010.0193.24
4.3.00.0000.01715.60

preferences:
29.95 ms | 401 KiB | 5 Q