3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reorderArray($array, $key) { $found = false; foreach($array as $k=>$v) { $found = $k===$key; if(!$found) { unset($array[$k]); $array[$k] = $v; } } return $array; } $array=[1=>'foo', 4=>'bar', 9=>'baz', 'test'=>51]; var_dump(reorderArray($array, 9)); var_dump(reorderArray($array, 'test'));

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)
8.3.60.0140.00718.55
8.3.50.0210.00821.14
8.3.40.0130.00718.67
8.3.30.0070.01020.15
8.3.20.0040.01420.28
8.3.10.0040.00421.96
8.3.00.0040.00422.59
8.2.180.0120.00616.63
8.2.170.0120.00322.96
8.2.160.0120.00320.29
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00820.75
8.2.110.0030.00722.08
8.2.100.0130.00317.76
8.2.90.0080.00017.88
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0080.00017.93
8.2.50.0000.00818.10
8.2.40.0050.00320.55
8.2.30.0040.00419.52
8.2.20.0000.00817.71
8.2.10.0040.00417.77
8.2.00.0000.00717.77
8.1.280.0090.00625.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0080.00022.13
8.1.230.0070.00419.18
8.1.220.0030.00717.74
8.1.210.0050.00318.77
8.1.200.0050.00517.35
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0000.00818.40
8.1.160.0000.00918.87
8.1.150.0000.00818.50
8.1.140.0000.00717.40
8.1.130.0000.00717.80
8.1.120.0030.00617.44
8.1.110.0040.00417.45
8.1.100.0050.00217.45
8.1.90.0040.00417.32
8.1.80.0040.00417.34
8.1.70.0070.00017.31
8.1.60.0000.00717.59
8.1.50.0040.00417.40
8.1.40.0040.00417.38
8.1.30.0040.00417.56
8.1.20.0040.00417.70
8.1.10.0050.00317.54
8.1.00.0090.00017.48
8.0.300.0000.00719.65
8.0.290.0070.00016.75
8.0.280.0070.00018.43
8.0.270.0030.00317.25
8.0.260.0030.00316.77
8.0.250.0030.00316.83
8.0.240.0000.00716.92
8.0.230.0000.00716.87
8.0.220.0030.00316.78
8.0.210.0070.00016.76
8.0.200.0080.00016.87
8.0.190.0000.00716.85
8.0.180.0000.00716.87
8.0.170.0040.00416.89
8.0.160.0030.00316.78
8.0.150.0030.00616.66
8.0.140.0000.00716.78
8.0.130.0050.00013.32
8.0.120.0070.00016.75
8.0.110.0040.00416.95
8.0.100.0030.00616.90
8.0.90.0080.00016.88
8.0.80.0060.00916.89
8.0.70.0000.00716.83
8.0.60.0040.00416.76
8.0.50.0000.00716.87
8.0.30.0080.01317.23
8.0.20.0150.01017.40
8.0.10.0070.00017.13
8.0.00.0070.01216.76
7.4.330.0050.00016.84
7.4.320.0060.00016.51
7.4.300.0060.00016.60
7.4.290.0040.00416.59
7.4.280.0000.00716.53
7.4.270.0040.00416.48
7.4.260.0050.00013.17
7.4.250.0000.00816.45
7.4.240.0050.00216.45
7.4.230.0030.00316.48
7.4.220.0100.01016.60
7.4.210.0070.00916.58
7.4.200.0000.00716.61
7.4.190.0030.00316.45
7.4.160.0100.00716.41
7.4.150.0110.01117.40
7.4.140.0150.00317.86
7.4.130.0090.00916.51
7.4.120.0060.01116.53
7.4.110.0030.01316.55
7.4.100.0130.00416.55
7.4.90.0170.00716.49
7.4.80.0070.01119.39
7.4.70.0100.00716.42
7.4.60.0100.00716.48
7.4.50.0040.00416.34
7.4.40.0060.00622.77
7.4.30.0090.01316.37
7.4.00.0040.01315.14
7.3.330.0060.00013.19
7.3.320.0000.00513.37
7.3.310.0040.00416.35
7.3.300.0030.00316.38
7.3.290.0180.00016.38
7.3.280.0080.00716.33
7.3.270.0070.01117.40
7.3.260.0130.00616.34
7.3.250.0130.00316.46
7.3.240.0110.01116.38
7.3.230.0060.01116.48
7.3.210.0090.00916.35
7.3.200.0000.02219.39
7.3.190.0130.00316.33
7.3.180.0030.01316.43
7.3.170.0110.00816.64
7.3.160.0080.01516.30
7.3.120.0090.00914.54
7.3.110.0030.01214.95
7.3.100.0040.01114.86
7.3.90.0090.00314.76
7.3.80.0060.00614.87
7.3.70.0030.01314.96
7.3.60.0000.01414.73
7.3.50.0000.01115.00
7.3.40.0070.00714.62
7.3.30.0030.00614.80
7.3.20.0060.00616.70
7.3.10.0070.01016.44
7.3.00.0000.01016.55
7.2.330.0070.01016.54
7.2.320.0120.00916.72
7.2.310.0080.01116.71
7.2.300.0070.01016.34
7.2.290.0120.00316.56
7.2.250.0070.01414.96
7.2.240.0030.01515.08
7.2.230.0030.00914.97
7.2.220.0000.01314.91
7.2.210.0090.00915.09
7.2.200.0000.01715.09
7.2.190.0070.00715.13
7.2.180.0040.00814.83
7.2.170.0000.01515.04
7.2.00.0080.00319.59
7.1.330.0130.00315.97
7.1.320.0030.01015.88
7.1.310.0140.00016.00
7.1.300.0130.00316.00
7.1.290.0120.00015.80
7.1.280.0080.00815.76
7.1.270.0000.01415.43
7.1.260.0060.00915.50
7.1.100.0030.00918.35
7.1.70.0000.00817.09
7.1.60.0040.01819.17
7.1.50.0130.01016.95
7.1.00.0070.03022.51
7.0.200.1080.00316.71
7.0.140.0100.06721.97
7.0.80.0630.07319.86
7.0.70.0430.05319.93
7.0.60.0130.04319.92
7.0.50.0430.05020.20
7.0.40.0100.07020.01
7.0.30.0030.07720.18
7.0.20.0070.08720.11
7.0.10.0100.07319.95
7.0.00.0030.09020.09
5.6.280.0100.06721.07
5.6.230.0030.08020.69
5.6.220.0070.04720.66
5.6.210.0130.07320.76
5.6.200.0070.05321.07
5.6.190.0030.08721.11
5.6.180.0030.06321.14
5.6.170.0070.08721.07
5.6.160.0100.07720.95
5.6.150.0030.08721.10
5.6.140.0130.06321.10
5.6.130.0000.04321.01
5.6.120.0000.04320.99
5.6.110.0000.04321.08
5.6.100.0070.04320.98
5.6.90.0030.04720.91
5.6.80.0000.05320.53
5.6.70.0030.03720.42
5.6.60.0030.04020.46
5.6.50.0130.04020.46
5.6.40.0070.03320.38
5.6.30.0030.03720.37
5.6.20.0070.06020.38
5.6.10.0030.04020.48
5.6.00.0130.02720.47
5.5.370.0030.06320.36
5.5.360.0170.08020.38
5.5.350.0070.05020.34
5.5.340.0130.07020.73
5.5.330.0170.04020.89
5.5.320.0100.07720.93
5.5.310.0070.05320.75
5.5.300.0070.05020.86
5.5.290.0000.06020.86
5.5.280.0000.04720.88
5.5.270.0030.06020.84
5.5.260.0070.04020.90
5.5.250.0030.04020.69
5.5.240.0030.04020.28
5.5.230.0030.04020.22
5.5.220.0030.04020.13
5.5.210.0070.07320.29
5.5.200.0030.04020.19
5.5.190.0130.06320.17
5.5.180.0070.05020.11
5.5.160.0030.04020.27
5.5.150.0070.03720.12
5.5.140.0000.05320.22
5.5.130.0130.03020.18
5.5.120.0030.04320.23
5.5.110.0000.04320.27
5.5.100.0130.02720.12
5.5.90.0070.03719.95
5.5.80.0170.06320.08
5.5.70.0000.04020.14
5.5.60.0100.04020.09
5.5.50.0030.04020.01
5.5.40.0030.03719.94
5.5.30.0000.04320.04
5.5.20.0070.03320.14
5.5.10.0030.08020.13
5.5.00.0030.05019.96
5.4.450.0130.05319.38
5.4.440.0000.04019.45
5.4.430.0030.04019.45
5.4.420.0000.04319.40
5.4.410.0030.04019.14
5.4.400.0000.04019.05
5.4.390.0070.06319.04
5.4.380.0070.03319.16
5.4.370.0000.04319.16
5.4.360.0000.04018.88
5.4.350.0030.03718.90
5.4.340.0030.04018.94
5.4.320.0030.03319.19
5.4.310.0030.03718.95
5.4.300.0100.03018.90
5.4.290.0070.04019.20
5.4.280.0030.03319.03
5.4.270.0030.04019.12
5.4.260.0000.06319.23
5.4.250.0070.03319.04
5.4.240.0030.04019.04
5.4.230.0030.03718.89
5.4.220.0000.04319.08
5.4.210.0030.04319.12
5.4.200.0030.03718.89
5.4.190.0030.03719.15
5.4.180.0070.06018.89
5.4.170.0000.04019.09
5.4.160.0070.04019.01
5.4.150.0100.03019.07
5.4.140.0070.03316.50
5.4.130.0070.07316.41
5.4.120.0000.07016.46
5.4.110.0000.05016.34
5.4.100.0070.05016.39
5.4.90.0070.07316.48
5.4.80.0070.07316.50
5.4.70.0100.07316.49
5.4.60.0030.06016.46
5.4.50.0070.07016.36
5.4.40.0070.07716.53
5.4.30.0130.05316.45
5.4.20.0130.07316.29
5.4.10.0070.07016.36
5.4.00.0100.07015.77
5.3.290.0070.03314.64
5.3.280.0100.02714.52
5.3.270.0030.04014.66
5.3.260.0030.03314.61
5.3.250.0030.05714.70
5.3.240.0000.04014.59
5.3.230.0000.07314.66
5.3.220.0000.06314.63
5.3.210.0030.07014.62
5.3.200.0100.03014.63
5.3.190.0100.06714.58
5.3.180.0130.03714.57
5.3.170.0100.05714.61
5.3.160.0100.04014.61
5.3.150.0070.04714.57
5.3.140.0030.07014.56
5.3.130.0030.07014.55
5.3.120.0070.07714.64
5.3.110.0030.05014.55
5.3.100.0070.08014.13
5.3.90.0170.05714.08
5.3.80.0000.08014.13
5.3.70.0000.04714.12
5.3.60.0070.08014.06
5.3.50.0030.07313.88
5.3.40.0100.06713.88
5.3.30.0030.04314.05
5.3.20.0070.07013.62
5.3.10.0030.04313.78
5.3.00.0030.07013.56
5.2.170.0100.06013.56
5.2.160.0030.06713.56
5.2.150.0030.03713.56
5.2.140.0100.06013.56
5.2.130.0070.04013.56
5.2.120.0100.05713.56
5.2.110.0100.05313.56
5.2.100.0100.04713.56
5.2.90.0100.05013.56
5.2.80.0030.06313.56
5.2.70.0070.06013.56
5.2.60.0100.05713.56
5.2.50.0030.03713.56
5.2.40.0070.03313.56
5.2.30.0070.05713.56
5.2.20.0070.04013.56
5.2.10.0100.05713.56
5.2.00.0100.05313.56
5.1.60.0070.04713.56
5.1.50.0000.04013.56
5.1.40.0030.05313.56
5.1.30.0030.04313.56
5.1.20.0070.05313.56
5.1.10.0000.04313.56
5.1.00.0070.03313.56
5.0.50.0100.04313.56
5.0.40.0100.03713.56
5.0.30.0070.04713.56
5.0.20.0030.03713.56
5.0.10.0000.04313.56
5.0.00.0000.06313.56
4.4.90.0030.04313.56
4.4.80.0000.03713.56
4.4.70.0070.03013.56
4.4.60.0000.03313.56
4.4.50.0000.03713.56
4.4.40.0070.04713.56
4.4.30.0070.03313.56
4.4.20.0070.03013.56
4.4.10.0030.03313.56
4.4.00.0030.04313.56
4.3.110.0030.03013.56
4.3.100.0030.03713.56
4.3.90.0000.03713.56
4.3.80.0030.04713.56
4.3.70.0070.03013.56
4.3.60.0000.03713.56
4.3.50.0070.03313.56
4.3.40.0000.05713.56
4.3.30.0000.03713.56
4.3.20.0030.02713.56
4.3.10.0000.03713.56
4.3.00.0030.03013.56

preferences:
45.33 ms | 401 KiB | 5 Q