3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a' => 2, 'b' => 1, 'c' => 4); $first = array(key($array) => current($array)); // Get the first key/value pair array_shift($array); // Remove it from your array $last = array(end($array) => key($array)); // Get the last key/value pair array_pop($array); // Remove it from the array $array = array_merge($last, $array, $first); // Put it back together print_r($array);

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)
8.3.70.0000.01516.58
8.3.60.0070.00718.39
8.3.50.0120.00421.27
8.3.40.0070.01018.71
8.3.30.0070.00720.19
8.3.20.0040.00420.29
8.3.10.0080.00021.10
8.3.00.0040.00423.48
8.2.180.0090.01216.63
8.2.170.0110.00422.96
8.2.160.0140.00321.93
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00221.05
8.2.110.0030.00619.31
8.2.100.0000.01117.60
8.2.90.0070.00017.63
8.2.80.0080.00018.51
8.2.70.0050.00317.50
8.2.60.0030.00617.63
8.2.50.0030.00618.04
8.2.40.0040.00417.80
8.2.30.0040.00419.44
8.2.20.0050.00317.52
8.2.10.0000.00717.66
8.2.00.0040.00417.54
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0040.00423.96
8.1.230.0090.00317.42
8.1.220.0040.00418.61
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0040.00417.11
8.1.180.0040.00418.10
8.1.170.0070.00017.62
8.1.160.0040.00418.86
8.1.150.0070.00018.54
8.1.140.0030.00617.38
8.1.130.0040.00417.84
8.1.120.0070.00017.30
8.1.110.0050.00217.28
8.1.100.0000.00717.42
8.1.90.0070.00017.41
8.1.80.0040.00417.33
8.1.70.0030.00317.30
8.1.60.0040.00417.57
8.1.50.0070.00017.33
8.1.40.0050.00317.48
8.1.30.0020.00517.59
8.1.20.0060.00317.58
8.1.10.0040.00417.46
8.1.00.0040.00417.38
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0030.00318.28
8.0.270.0000.00717.08
8.0.260.0000.00816.74
8.0.250.0040.00416.76
8.0.240.0000.00816.84
8.0.230.0000.00716.89
8.0.220.0000.00716.82
8.0.210.0030.00316.82
8.0.200.0000.00616.78
8.0.190.0000.00716.87
8.0.180.0000.00716.68
8.0.170.0000.00716.82
8.0.160.0030.00516.78
8.0.150.0000.00716.83
8.0.140.0080.00016.80
8.0.130.0030.00313.21
8.0.120.0000.00716.80
8.0.110.0000.00716.63
8.0.100.0040.00416.79
8.0.90.0000.00716.84
8.0.80.0040.01016.81
8.0.70.0040.00416.81
8.0.60.0020.00516.70
8.0.50.0040.00416.61
8.0.30.0120.00817.18
8.0.20.0080.01017.40
8.0.10.0040.00416.80
8.0.00.0090.00916.71
7.4.330.0000.00616.84
7.4.320.0000.00616.59
7.4.300.0030.00316.34
7.4.290.0040.00416.50
7.4.280.0030.00316.52
7.4.270.0000.00716.45
7.4.260.0000.00713.21
7.4.250.0070.00016.46
7.4.240.0030.00316.54
7.4.230.0070.00016.64
7.4.220.0110.00716.64
7.4.210.0100.00616.52
7.4.200.0070.00016.53
7.4.190.0000.00816.68
7.4.160.0060.00916.36
7.4.150.0130.00317.40
7.4.140.0130.00617.86
7.4.130.0060.01116.36
7.4.120.0120.00716.35
7.4.110.0080.00816.38
7.4.100.0160.00316.39
7.4.90.0140.00616.35
7.4.80.0030.01319.39
7.4.70.0100.01016.43
7.4.60.0090.00916.41
7.4.50.0000.00816.52
7.4.40.0060.00922.77
7.4.30.0060.01016.35
7.4.00.0070.00714.82
7.3.330.0000.00513.11
7.3.320.0020.00213.12
7.3.310.0000.00716.16
7.3.300.0000.00616.18
7.3.290.0140.00016.14
7.3.280.0110.00816.17
7.3.270.0140.00417.40
7.3.260.0120.01018.24
7.3.250.0150.00516.20
7.3.240.0070.01016.48
7.3.230.0130.00716.39
7.3.210.0080.00816.51
7.3.200.0100.01319.39
7.3.190.0060.00916.28
7.3.180.0140.00316.17
7.3.170.0100.00616.27
7.3.160.0090.01216.43
7.3.120.0030.01314.76
7.3.10.0040.01116.17
7.3.00.0100.01016.39
7.2.330.0060.01216.55
7.2.320.0130.01016.57
7.2.310.0090.00916.18
7.2.300.0060.01316.66
7.2.290.0080.00816.37
7.2.130.0120.00316.86
7.2.120.0090.00616.64
7.2.110.0140.00716.79
7.2.100.0000.01416.78
7.2.90.0110.00316.71
7.2.80.0100.00016.80
7.2.70.0110.00717.03
7.2.60.0090.00916.66
7.2.50.0180.00416.74
7.2.40.0100.00716.59
7.2.30.0070.00716.63
7.2.20.0140.00916.71
7.2.10.0120.00916.66
7.2.00.0090.00618.10
7.1.250.0040.01115.74
7.1.100.0030.01018.14
7.1.70.0130.01017.16
7.1.60.0140.01019.17
7.1.50.0140.01016.86
7.1.00.0030.05022.43
7.0.200.0030.00316.76
7.0.140.0070.06722.04
7.0.70.0070.06021.63
7.0.60.0070.06021.71
7.0.50.0030.08322.15
7.0.40.0030.08720.07
7.0.30.0030.08319.98
7.0.20.0030.08020.09
7.0.10.0000.08720.06
7.0.00.0100.08020.03
5.6.280.0000.07721.09
5.6.220.0000.06020.55
5.6.210.0070.09720.43
5.6.200.0000.04721.10
5.6.190.0000.08021.02
5.6.180.0000.08020.97
5.6.170.0030.07721.04
5.6.160.0100.07721.04
5.6.150.0070.07720.93
5.6.140.0000.08721.02
5.6.130.0200.07021.00
5.6.120.0030.08021.03
5.6.110.0070.06321.03
5.6.100.0070.07720.97
5.6.90.0130.07721.03
5.6.80.0000.08020.43
5.6.70.0070.06720.53
5.6.60.0000.08320.40
5.6.50.0030.07320.31
5.6.40.0070.04720.37
5.6.30.0130.07020.27
5.6.20.0030.07020.27
5.6.10.0030.08020.41
5.6.00.0030.05320.35
5.5.360.0070.04020.30
5.5.350.0030.06320.31
5.5.340.0030.08320.79
5.5.330.0030.08020.69
5.5.320.0000.06320.80
5.5.310.0000.05020.90
5.5.300.0030.08020.85
5.5.290.0030.06320.84
5.5.280.0030.08020.73
5.5.270.0100.07020.78
5.5.260.0030.08320.84
5.5.250.0030.07020.41
5.5.240.0070.07720.24
5.5.230.0230.06720.23
5.5.220.0130.07320.15
5.5.210.0170.06020.15
5.5.200.0030.04719.94
5.5.190.0030.07720.23
5.5.180.0070.08020.10
5.5.160.0100.07320.24
5.5.150.0100.07020.14
5.5.140.0130.05320.24
5.5.130.0070.07720.13
5.5.120.0100.06720.15
5.5.110.0030.07720.05
5.5.100.0070.08020.05
5.5.90.0070.07720.04
5.5.80.0100.06319.95
5.5.70.0030.08020.04
5.5.60.0030.07320.09
5.5.50.0030.06320.04
5.5.40.0070.07019.91
5.5.30.0030.07720.13
5.5.20.0030.08020.11
5.5.10.0030.07720.09
5.5.00.0000.07019.93
5.4.450.0030.08019.34
5.4.440.0070.08019.43
5.4.430.0000.08019.43
5.4.420.0030.05719.35
5.4.410.0070.06319.13
5.4.400.0030.07719.16
5.4.390.0030.07719.02
5.4.380.0000.08019.20
5.4.370.0070.06718.93
5.4.360.0070.03718.83
5.4.350.0030.07019.12
5.4.340.0070.07019.16
5.4.320.0000.07319.20
5.4.310.0000.05719.20
5.4.300.0000.07719.16
5.4.290.0070.07719.03
5.4.280.0000.08319.17
5.4.270.0030.06718.83
5.4.260.0030.07318.94
5.4.250.0030.06019.00
5.4.240.0070.07019.04
5.4.230.0070.07319.10
5.4.220.0030.07718.83
5.4.210.0070.07719.20
5.4.200.0130.07019.09
5.4.190.0070.06019.19
5.4.180.0070.06719.00
5.4.170.0070.05319.09
5.4.160.0000.07719.10
5.4.150.0000.08019.00
5.4.140.0000.07716.35
5.4.130.0000.06016.34
5.4.120.0030.03716.27
5.4.110.0030.06016.30
5.4.100.0000.04016.48
5.4.90.0070.03016.36
5.4.80.0000.03716.38
5.4.70.0130.02716.46
5.4.60.0030.07316.46
5.4.50.0000.03016.34
5.4.40.0070.07016.36
5.4.30.0070.07016.33
5.4.20.0030.06316.38
5.4.10.0030.06716.22
5.4.00.0000.05715.83
5.3.290.0000.08014.72
5.3.280.0000.07714.55
5.3.270.0100.06314.60
5.3.260.0030.07314.71
5.3.250.0000.08014.55
5.3.240.0030.07014.71
5.3.230.0030.05014.61
5.3.220.0000.03714.51
5.3.210.0000.07714.55
5.3.200.0000.04714.53
5.3.190.0030.07014.51
5.3.180.0000.07314.61
5.3.170.0000.04014.67
5.3.160.0000.03714.67
5.3.150.0030.03314.67
5.3.140.0070.07014.47
5.3.130.0000.08014.63
5.3.120.0070.07314.47
5.3.110.0070.07314.61
5.3.100.0070.07014.08
5.3.90.0000.07313.95
5.3.80.0030.07714.12
5.3.70.0000.07013.92
5.3.60.0000.05314.01
5.3.50.0030.07013.86
5.3.40.0070.05013.98
5.3.30.0000.05313.98
5.3.20.0030.07313.74
5.3.10.0000.04013.53
5.3.00.0030.07013.66
5.2.170.0100.05712.48
5.2.160.0070.04712.48
5.2.150.0030.06312.48
5.2.140.0000.06712.48
5.2.130.0030.05712.48
5.2.120.0000.03712.48
5.2.110.0030.04712.48
5.2.100.0030.05012.48
5.2.90.0030.06312.48
5.2.80.0030.04712.48
5.2.70.0030.04312.48
5.2.60.0000.06712.48
5.2.50.0030.05312.48
5.2.40.0030.04012.48
5.2.30.0000.07012.48
5.2.20.0030.06312.48
5.2.10.0030.04312.48
5.2.00.0030.03012.48
5.1.60.0030.04712.48
5.1.50.0030.04012.48
5.1.40.0030.04012.48
5.1.30.0030.05312.48
5.1.20.0000.06012.48
5.1.10.0000.06012.48
5.1.00.0070.04312.48
5.0.50.0000.04712.48
5.0.40.0000.04312.48
5.0.30.0000.05712.48
5.0.20.0000.03312.48
5.0.10.0030.04312.48
5.0.00.0070.04012.48
4.4.90.0000.03012.48
4.4.80.0000.03712.48
4.4.70.0000.03712.48
4.4.60.0000.03312.48
4.4.50.0000.03312.48
4.4.40.0070.03712.48
4.4.30.0030.03012.48
4.4.20.0000.02712.48
4.4.10.0030.03312.48
4.4.00.0030.04712.48
4.3.110.0000.03712.48
4.3.100.0000.03012.48
4.3.90.0000.02312.48
4.3.80.0000.05012.48
4.3.70.0030.03012.48
4.3.60.0000.03012.48
4.3.50.0070.02312.48
4.3.40.0000.03312.48
4.3.30.0000.02012.48
4.3.20.0000.02312.48
4.3.10.0030.03012.48
4.3.00.0030.03012.48

preferences:
37.64 ms | 401 KiB | 5 Q