3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = [ ["relation" => "OR"], ["color" => 'green'], ["color" => 'yellow'], ["relation" => "AND"], ["color" => 'black'], ["color" => 'orange'], ["relation" => "OR"], ["color" => 'blue'], ["color" => 'violet'], ]; $ref = []; $result = &$ref; foreach ($input as $row) { if (key($row) !== 'relation') { // populate current level $ref[] = $row; continue; } if ($ref) { // not the first relation encountered $ref = &$ref[]; } $ref = $row; // store relation } var_export($result);

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)
8.5.00.0150.00819.89
8.4.150.0020.00014.05
8.4.140.0130.00817.57
8.4.130.0060.00218.88
8.4.120.0110.00924.25
8.4.110.0130.00822.51
8.4.100.0110.00917.72
8.4.90.0130.00618.52
8.4.80.0050.00417.82
8.4.70.0100.00518.78
8.4.60.0120.01018.79
8.4.50.0080.00119.67
8.4.40.0040.00423.82
8.4.30.0060.00620.45
8.4.20.0130.00720.50
8.4.10.0080.00422.04
8.3.280.0130.00718.36
8.3.270.0120.00816.67
8.3.260.0100.00816.78
8.3.250.0130.00518.93
8.3.240.0080.01216.77
8.3.230.0110.00716.68
8.3.220.0040.00317.13
8.3.210.0090.00618.36
8.3.200.0050.00316.66
8.3.190.0090.00817.09
8.3.180.0150.00316.79
8.3.170.0130.00318.91
8.3.160.0040.01218.45
8.3.150.0120.00616.57
8.3.140.0180.00018.85
8.3.130.0030.00618.42
8.3.120.0190.00020.75
8.3.110.0170.00320.94
8.3.100.0040.00424.06
8.3.90.0080.00026.77
8.3.80.0090.00017.97
8.3.70.0110.00316.63
8.3.60.0070.00716.50
8.3.50.0120.00616.54
8.3.40.0040.01121.90
8.3.30.0100.01018.84
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.290.0040.00420.48
8.2.280.0070.00218.14
8.2.270.0100.00717.02
8.2.260.0030.00518.38
8.2.250.0090.00016.56
8.2.240.0050.00516.97
8.2.230.0030.00622.58
8.2.220.0050.00337.54
8.2.210.0040.00426.77
8.2.200.0090.00018.16
8.2.190.0110.00416.58
8.2.180.0070.01416.50
8.2.170.0120.00318.84
8.2.160.0100.00322.96
8.2.150.0070.00025.66
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00326.16
8.2.110.0040.00820.97
8.2.100.0080.00417.72
8.2.90.0050.00318.03
8.2.80.0040.00419.40
8.2.70.0040.00417.72
8.2.60.0060.00317.50
8.2.50.0090.00017.75
8.2.40.0040.00419.88
8.2.30.0080.00817.63
8.2.20.0150.00317.59
8.2.10.0080.00817.59
8.2.00.0120.00417.59
8.1.330.0120.00721.93
8.1.320.0130.00815.99
8.1.310.0110.00718.14
8.1.300.0150.00016.66
8.1.290.0090.00030.84
8.1.280.0070.01125.92
8.1.270.0020.00524.66
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.01022.47
8.1.230.0110.00020.92
8.1.220.0000.00817.88
8.1.210.0090.00018.77
8.1.200.0050.00317.23
8.1.190.0060.00317.23
8.1.180.0060.00318.10
8.1.170.0040.00417.62
8.1.160.0100.00517.59
8.1.150.0000.01617.59
8.1.140.0150.00017.59
8.1.130.0000.01617.59
8.1.120.0170.00017.59
8.1.110.0130.00317.59
8.1.100.0160.00017.59
8.1.90.0070.00717.59
8.1.80.0100.01017.59
8.1.70.0130.00317.59
8.1.60.0140.00517.59
8.1.50.0190.00317.59
8.1.40.0100.01017.59
8.1.30.0150.00317.59
8.1.20.0070.01017.59
8.1.10.0070.01017.59
8.1.00.0160.00217.59
8.0.300.0000.00719.96
8.0.290.0050.00316.63
8.0.280.0140.00217.59
8.0.270.0080.00917.59
8.0.260.0100.00517.59
8.0.250.0090.00617.59
8.0.240.0120.00417.59
8.0.230.0090.00717.59
8.0.220.0060.01117.59
8.0.210.0000.01617.59
8.0.200.0090.00617.59
8.0.190.0140.00017.59
8.0.180.0150.00017.59
8.0.170.0170.00017.59
8.0.160.0150.00017.59
8.0.150.0150.00217.59
8.0.140.0150.00217.59
8.0.130.0160.00317.59
8.0.120.0100.00717.59
8.0.110.0160.00017.59
8.0.100.0170.00017.59
8.0.90.0170.00017.59
8.0.80.0120.00417.59
8.0.70.0130.00317.59
8.0.60.0100.00517.59
8.0.50.0090.00617.59
8.0.30.0080.00817.59
8.0.20.0130.00317.59
8.0.10.0080.00817.59

preferences:
26.9 ms | 403 KiB | 5 Q