3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'a' => 2, 'z' => 2, 'd' => 1 ]; $allowlist = ['a', 'd']; uksort( $array, static function($a, $b) use ($array, $allowlist) { if($array[$a] === $array[$b]) { return in_array($a, $allowlist) ? -1 : 1; } return $array[$b] <=> $array[$a]; } ); var_dump($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)
8.3.60.0130.00718.43
8.3.50.0100.01016.35
8.3.40.0100.01020.55
8.3.30.0130.01018.75
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.180.0150.00025.92
8.2.170.0040.01219.09
8.2.160.0100.00322.96
8.2.150.0000.00825.66
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00226.16
8.2.110.0070.00320.35
8.2.100.0040.00817.69
8.2.90.0000.00820.07
8.2.80.0040.00418.73
8.2.70.0030.00517.50
8.2.60.0070.00417.90
8.2.50.0080.00018.07
8.2.40.0030.00719.88
8.2.30.0000.00718.20
8.2.20.0040.00418.23
8.2.10.0040.00419.20
8.2.00.0080.00019.20
8.1.280.0140.00725.92
8.1.270.0090.00622.24
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00619.28
8.1.230.0080.00419.10
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0050.00517.35
8.1.190.0030.00617.23
8.1.180.0030.00618.10
8.1.170.0000.00818.50
8.1.160.0030.00518.91
8.1.150.0000.00718.91
8.1.140.0060.00318.84
8.1.130.0030.00320.20
8.1.120.0030.00517.41
8.1.110.0040.00417.48
8.1.100.0000.00817.50
8.1.90.0020.00517.31
8.1.80.0020.00517.37
8.1.70.0040.00417.36
8.1.60.0040.00417.50
8.1.50.0030.00517.57
8.1.40.0070.00417.52
8.1.30.0030.00617.56
8.1.20.0040.00417.55
8.1.10.0030.00517.48
8.1.00.0060.00317.41
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0000.00718.46
8.0.270.0000.00717.93
8.0.260.0040.00418.51
8.0.250.0030.00316.93
8.0.240.0030.00316.96
8.0.230.0070.00016.95
8.0.220.0030.00316.80
8.0.210.0080.00016.93
8.0.200.0000.00716.93
8.0.190.0080.00016.93
8.0.180.0050.00316.80
8.0.170.0000.00916.91
8.0.160.0000.00816.90
8.0.150.0040.00416.85
8.0.140.0040.00416.72
8.0.130.0000.00613.34
8.0.120.0000.00816.78
8.0.110.0050.00216.90
8.0.100.0070.00016.86
8.0.90.0000.00716.77
8.0.80.0170.00716.88
8.0.70.0280.01216.80
8.0.60.0150.01116.72
8.0.50.0250.00416.79
8.0.30.0240.00616.88
8.0.20.0110.01416.88
8.0.10.0190.00717.08
8.0.00.0030.01417.10
7.4.330.0000.00415.55
7.4.320.0040.00416.46
7.4.300.0030.00316.64
7.4.290.0060.00316.35
7.4.280.0000.00716.59
7.4.270.0040.00416.59
7.4.260.0030.00313.30
7.4.250.0000.00716.56
7.4.240.0070.00016.53
7.4.230.0030.00516.51
7.4.220.0030.00316.59
7.4.210.0170.00616.55
7.4.200.0200.00716.54
7.4.190.0160.01016.52
7.4.180.0160.01016.68
7.4.160.0150.01216.71
7.4.150.0160.00716.49
7.4.140.0190.00516.57
7.4.130.0320.00616.55
7.4.120.0160.00916.51
7.4.110.0230.00016.37
7.4.100.0180.00416.51
7.4.90.0200.01216.45
7.4.80.0150.00816.51
7.4.70.0130.01016.56
7.4.60.0060.01716.39
7.4.50.0170.01016.35
7.4.40.0190.00416.48
7.4.30.0210.01216.46
7.4.20.0130.01316.37
7.4.10.0140.01716.57
7.4.00.0200.00516.53
7.3.330.0040.00416.32
7.3.320.0000.00613.30
7.3.310.0000.00716.35
7.3.300.0000.00616.25
7.3.290.0160.00616.30
7.3.280.0160.00716.27
7.3.270.0190.00316.27
7.3.260.0310.00816.27
7.3.250.0200.00616.29
7.3.240.0230.00316.18
7.3.230.0240.00716.36
7.3.220.0150.00916.22
7.3.210.0160.00616.37
7.3.200.0090.01316.31
7.3.190.0150.00816.30
7.3.180.0160.00516.37
7.3.170.0190.00416.21
7.3.160.0170.00716.31
7.3.150.0240.00516.29
7.3.140.0150.00916.33
7.3.130.0130.00416.29
7.3.120.0090.01216.27
7.3.110.0130.00916.28
7.3.100.0160.00316.19
7.3.90.0080.00816.51
7.3.80.0060.01116.13
7.3.70.0080.00816.42
7.3.60.0120.00516.40
7.3.50.0080.00816.49
7.3.40.0090.00616.45
7.3.30.0120.00516.44
7.3.20.0310.00716.60
7.3.10.0190.00616.51
7.3.00.0180.00816.42

preferences:
67.5 ms | 400 KiB | 5 Q