3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 0 => [ "id" => "1", "color" => "red", ], 1 => [ 0 => [ "id" => "2", "color" => "blue", ], 1 => [ 0 => [ "id" => "3", "color" => "green", ], ], 2 => [ "id" => "4", "color" => "blue", ], ], 2 => [ "id" => "5", "color" => "purple", ], ]; function flattenArray($arr = []) { $retArr = []; foreach ($arr as $val) { if (is_array($val)) { $retArr[] = array_filter($val, function ($v) { return !is_array($v); }); $retArr = array_merge(array_filter($retArr), flattenArray($val)); } } return $retArr; } $arr = flattenArray($arr); print_r($arr);

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)
8.5.00.0100.01220.05
8.4.150.0010.00114.05
8.4.140.0210.00817.57
8.4.130.0110.01117.84
8.4.120.0130.00822.61
8.4.110.0110.00918.98
8.4.100.0140.00718.65
8.4.90.0080.01218.88
8.4.80.0110.00919.42
8.4.70.0050.00317.83
8.4.60.0080.01318.91
8.4.50.0050.00417.85
8.4.40.0140.00719.56
8.4.30.0140.00718.84
8.4.20.0100.01019.04
8.4.10.0070.00317.37
8.3.280.0130.00618.40
8.3.270.0080.01216.64
8.3.260.0070.01116.69
8.3.250.0090.01019.05
8.3.240.0050.00316.77
8.3.230.0110.00916.79
8.3.220.0100.00917.11
8.3.210.0100.00716.85
8.3.200.0050.00416.75
8.3.190.0140.00816.58
8.3.180.0090.00618.50
8.3.170.0060.00316.68
8.3.160.0110.00817.23
8.3.150.0120.00617.38
8.3.140.0120.00617.30
8.3.130.0120.00818.45
8.3.120.0040.01119.08
8.3.110.0030.01320.94
8.3.100.0110.00418.55
8.3.90.0060.00326.77
8.3.80.0060.00319.36
8.3.70.0110.00718.52
8.3.60.0100.01018.45
8.3.50.0060.00718.32
8.3.40.0000.01518.66
8.3.30.0070.01118.67
8.3.20.0070.00021.95
8.3.10.0060.00323.53
8.3.00.0000.00822.51
8.2.290.0080.01120.24
8.2.280.0080.00118.18
8.2.270.0090.00916.54
8.2.260.0160.00316.37
8.2.250.0080.00016.50
8.2.240.0100.00717.17
8.2.230.0040.00422.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0060.00318.88
8.2.190.0040.01116.58
8.2.180.0120.00318.16
8.2.170.0130.00322.96
8.2.160.0040.01119.46
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0000.00820.50
8.2.110.0060.00322.19
8.2.100.0030.01019.51
8.2.90.0000.00817.63
8.2.80.0000.00818.74
8.2.70.0040.00817.50
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0050.00518.06
8.2.30.0000.00718.21
8.2.20.0080.00018.09
8.2.10.0040.00419.20
8.2.00.0000.00719.38
8.1.330.0100.00922.12
8.1.320.0060.00616.26
8.1.310.0000.00818.33
8.1.300.0050.00518.05
8.1.290.0030.00630.84
8.1.280.0170.00625.92
8.1.270.0000.00820.61
8.1.260.0030.00526.35
8.1.250.0000.00928.09
8.1.240.0060.00320.52
8.1.230.0090.00317.89
8.1.220.0080.00017.74
8.1.210.0030.00718.77
8.1.200.0090.00017.22
8.1.190.0100.00017.13
8.1.180.0000.00818.10
8.1.170.0000.00818.64
8.1.160.0040.00418.88
8.1.150.0040.00418.94
8.1.140.0030.00320.93
8.1.130.0000.00717.41
8.1.120.0030.00317.37
8.1.110.0030.00517.35
8.1.100.0080.00017.52
8.1.90.0060.00317.47
8.1.80.0060.00317.51
8.1.70.0000.00717.45
8.1.60.0000.00817.58
8.1.50.0020.00517.45
8.1.40.0000.00817.50
8.1.30.0040.00417.64
8.1.20.0040.00417.55
8.1.10.0030.00517.36
8.1.00.0050.00217.38
8.0.300.0060.00318.77
8.0.290.0000.00816.63
8.0.280.0070.00018.36
8.0.270.0030.00516.82
8.0.260.0020.00516.82
8.0.250.0000.00716.96
8.0.240.0000.00716.96
8.0.230.0050.00316.80
8.0.220.0030.00316.90
8.0.210.0030.00316.79
8.0.200.0000.00616.96
8.0.190.0070.00016.91
8.0.180.0040.00416.97
8.0.170.0030.00616.90
8.0.160.0030.00516.91
8.0.150.0030.00316.82
8.0.140.0040.00416.74
8.0.130.0000.00613.33
8.0.120.0040.00416.76
8.0.110.0040.00416.80
8.0.100.0040.00416.86
8.0.90.0000.00816.78
8.0.80.0020.01416.84
8.0.70.0000.00716.87
8.0.60.0000.00816.92
8.0.50.0040.00416.96
8.0.30.0100.00617.12
8.0.20.0110.00716.99
8.0.10.0080.00017.00
8.0.00.0110.01416.86
7.4.330.0050.00015.55
7.4.320.0000.00616.53
7.4.300.0000.00616.50
7.4.290.0000.00716.50
7.4.280.0110.00016.52
7.4.270.0000.00716.57
7.4.260.0030.00313.31
7.4.250.0030.00316.49
7.4.240.0060.00216.62
7.4.230.0040.00416.64
7.4.220.0020.00616.53
7.4.210.0030.01316.50
7.4.200.0000.00716.64
7.4.140.0080.01217.86
7.4.130.0070.01016.51
7.4.120.0090.00916.53
7.4.110.0040.01416.55
7.4.100.0190.00316.58
7.4.90.0090.00916.52
7.4.80.0100.00719.39
7.4.70.0110.00616.53
7.4.60.0100.01016.47
7.4.50.0060.00916.66
7.4.40.0100.00516.68
7.4.00.0040.01115.06
7.3.330.0000.00716.34
7.3.320.0020.00213.17
7.3.310.0030.00316.42
7.3.300.0070.00016.30
7.3.290.0070.00716.26
7.3.280.0100.01016.32
7.3.260.0090.01016.42
7.3.240.0090.00816.39
7.3.230.0060.01216.54
7.3.210.0090.01316.67
7.3.200.0070.01516.29
7.3.190.0030.01316.48
7.3.180.0070.01416.64
7.3.170.0170.00016.70
7.3.160.0090.00916.62
7.3.90.0090.00614.85
7.3.80.0080.01615.00
7.3.70.0160.00314.76
7.3.60.0210.00214.80
7.3.50.0030.01714.70
7.3.40.0080.01214.54
7.3.30.0200.00814.75
7.3.20.0100.01414.79
7.3.10.0130.01614.98
7.3.00.0120.00915.03
7.2.330.0070.01016.63
7.2.320.0160.00316.75
7.2.310.0090.00616.50
7.2.300.0060.01216.80
7.2.290.0130.01016.68
7.2.220.0060.01314.59
7.2.210.0100.01015.08
7.2.200.0070.01714.97
7.2.190.0040.01815.02
7.2.180.0100.01415.17
7.2.170.0190.00315.20
7.2.160.0200.00014.96
7.2.150.0210.00515.22
7.2.140.0170.00815.16
7.2.130.0200.00714.96
7.2.120.0150.00714.99
7.2.110.0130.01115.14
7.2.100.1250.01015.09
7.2.90.0170.00515.22
7.2.80.0180.00915.29
7.2.70.0220.00615.17
7.2.60.0190.01315.01
7.2.50.0070.02215.04
7.2.40.0110.01415.05
7.2.30.0180.00415.21
7.2.20.0160.01115.17
7.2.10.0090.01314.99
7.2.00.0090.00615.05
7.1.320.0120.00913.79
7.1.310.0140.00513.77
7.1.300.1500.01014.06
7.1.290.0140.00713.77
7.1.280.0090.01213.89
7.1.270.0140.00614.22
7.1.260.0240.00013.88
7.1.250.0060.01213.58

preferences:
34.79 ms | 403 KiB | 5 Q