3v4l.org

run code in 300+ PHP versions simultaneously
<?php $comments='[ { "user": "5", "points": "12" }, { "user": "2", "points": "1" }, { "user": "3", "points": "1" } ]'; $likes='[ { "user": "1", "points": 7 }, { "user": "4", "points": 4 }, { "user": "3", "points": 1 } ]'; $posts='[ { "user": "1", "points": "6" }, { "user": "3", "points": "2" }, { "user": "2", "points": "1" } ]'; $merged = array_merge(json_decode($comments, true), json_decode($likes, true), json_decode($posts, true)); $result = []; foreach ($merged as $entry) { if (!isset($result[$entry['user']])) { $result[$entry['user']] = $entry; } else { $result[$entry['user']]['points'] += $entry['points']; } } array_multisort(array_column($result, 'user'), $result); //usort($result, function($a, $b) { return $a['user']<=>$b['user']; }); // this is the most modern style, change if too advanced for your php version echo json_encode($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)
8.5.00.0130.00819.89
8.4.150.0020.00114.05
8.4.140.0130.00917.26
8.4.130.0100.00817.79
8.4.120.0110.00922.23
8.4.110.0190.00322.40
8.4.100.0100.01117.59
8.4.90.0030.00518.52
8.4.80.0110.00817.86
8.4.70.0150.00717.68
8.4.60.0100.01118.56
8.4.50.0050.00319.61
8.4.40.0070.01420.68
8.4.30.0100.01024.11
8.4.20.0070.01019.80
8.4.10.0080.00019.75
8.3.280.0130.00918.43
8.3.270.0090.01016.77
8.3.260.0130.00616.69
8.3.250.0140.00618.97
8.3.240.0140.00516.66
8.3.230.0100.01016.82
8.3.220.0110.00517.14
8.3.210.0060.00416.76
8.3.200.0140.00516.78
8.3.190.0100.00918.79
8.3.180.0120.00516.48
8.3.170.0090.00918.85
8.3.160.0060.01216.66
8.3.150.0130.00618.82
8.3.140.0040.00416.73
8.3.130.0060.00318.45
8.3.120.0130.00719.02
8.3.110.0080.00020.94
8.3.100.0040.01216.53
8.3.90.0110.00416.53
8.3.80.0090.00419.36
8.3.70.0120.00316.50
8.3.60.0070.01418.53
8.3.50.0040.00924.58
8.3.40.0090.00618.96
8.3.30.0040.01218.73
8.3.20.0050.00220.73
8.3.10.0000.00821.91
8.3.00.0070.00021.77
8.2.290.0160.00620.51
8.2.280.0090.00818.54
8.2.270.0080.01117.15
8.2.260.0040.00418.39
8.2.250.0060.00318.61
8.2.240.0040.01119.08
8.2.230.0090.00022.58
8.2.220.0000.00824.06
8.2.210.0000.00826.77
8.2.200.0070.00416.38
8.2.190.0090.01216.58
8.2.180.0030.01416.73
8.2.170.0120.00322.96
8.2.160.0040.01120.53
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00319.38
8.2.110.0060.00322.07
8.2.100.0150.00417.51
8.2.90.0080.00018.03
8.2.80.0030.00618.04
8.2.70.0050.00318.04
8.2.60.0050.00318.16
8.2.50.0030.00518.10
8.2.40.0000.00919.30
8.2.30.0000.00718.09
8.2.20.0030.00518.08
8.2.10.0000.00719.22
8.2.00.0000.00719.21
8.1.330.0090.01023.65
8.1.320.0080.01216.11
8.1.310.0040.00416.75
8.1.300.0070.01119.85
8.1.290.0040.00418.88
8.1.280.0070.01025.92
8.1.270.0000.00822.65
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00720.96
8.1.230.0040.00722.62
8.1.220.0040.00417.78
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00617.35
8.1.180.0050.00318.10
8.1.170.0030.00518.38
8.1.160.0070.00018.88
8.1.150.0040.00420.61
8.1.140.0040.00420.80
8.1.130.0000.00720.03
8.1.120.0040.00417.35
8.1.110.0050.00317.49
8.1.100.0040.00417.48
8.1.90.0000.00717.43
8.1.80.0050.00317.52
8.1.70.0000.00717.39
8.1.60.0030.00517.46
8.1.50.0000.00817.33
8.1.40.0050.00317.55
8.1.30.0050.00517.62
8.1.20.0050.00317.66
8.1.10.0000.00817.63
8.1.00.0000.00817.50
8.0.300.0040.00419.73
8.0.290.0080.00016.63
8.0.280.0040.00418.52
8.0.270.0050.00217.91
8.0.260.0000.00620.07
8.0.250.0000.00716.91
8.0.240.0070.00016.95
8.0.230.0040.00416.97
8.0.220.0070.00016.88
8.0.210.0040.00416.77
8.0.200.0030.00316.95
8.0.190.0040.00417.02
8.0.180.0070.00016.88
8.0.170.0000.00916.90
8.0.160.0020.00516.82
8.0.150.0000.00716.90
8.0.140.0020.00516.73
8.0.130.0000.00613.28
8.0.120.0000.00716.74
8.0.110.0040.00416.75
8.0.100.0000.00716.76
8.0.90.0040.00416.78
8.0.80.0120.00416.82
8.0.70.0070.00016.71
8.0.60.0040.00416.87
8.0.50.0000.00716.95
8.0.30.0090.00917.07
8.0.20.0100.00817.03
8.0.10.0080.00017.11
8.0.00.0100.00916.73
7.4.330.0050.00016.77
7.4.320.0000.00616.40
7.4.300.0070.00016.59
7.4.290.0060.00316.47
7.4.280.0000.00916.51
7.4.270.0000.00716.60
7.4.260.0030.00313.26
7.4.250.0000.00816.45
7.4.240.0000.00716.49
7.4.230.0000.00716.66
7.4.220.0020.00516.48
7.4.210.0070.00716.55
7.4.200.0000.00716.62
7.4.140.0060.01217.86
7.4.130.0160.01116.38
7.4.120.0030.01516.61
7.4.110.0030.01416.47
7.4.100.0120.00916.55
7.4.90.0100.00716.40
7.4.80.0110.00519.39
7.4.70.0180.00016.61
7.4.60.0060.01816.43
7.4.50.0070.00716.53
7.4.40.0060.00916.25
7.4.10.0090.00614.67
7.4.00.0100.00314.93
7.3.330.0000.00916.16
7.3.320.0050.00013.19
7.3.310.0030.00316.41
7.3.300.0030.00316.30
7.3.290.0090.00816.26
7.3.260.0140.00316.54
7.3.240.0130.00816.47
7.3.230.0100.00716.52
7.3.210.0030.01316.43
7.3.200.0100.01316.47
7.3.190.0030.01316.43
7.3.180.0090.00916.46
7.3.170.0100.01016.38
7.3.160.0090.01216.39
7.3.130.0070.00714.69
7.3.120.0140.00014.79
7.3.110.0060.00914.69
7.3.100.0080.00614.90
7.3.90.0030.01714.85
7.3.80.0000.01314.96
7.3.70.0110.00314.87
7.3.60.0120.00414.83
7.3.50.0040.01114.90
7.3.40.0040.01215.00
7.3.30.0110.00814.95
7.3.20.0000.01414.63
7.3.10.0100.00514.90
7.3.00.0040.01015.02
7.2.330.0030.01416.72
7.2.320.0120.00416.55
7.2.310.0100.00716.72
7.2.300.0060.01616.42
7.2.290.0070.01316.46
7.2.260.0030.01015.17
7.2.250.0030.01214.90
7.2.240.0060.00915.17
7.2.230.0090.01215.03
7.2.220.0130.00315.25
7.2.210.0040.01115.19
7.2.200.0110.00814.99
7.2.190.0090.00615.21
7.2.180.0040.01015.05
7.2.170.0160.00315.20
7.2.160.0070.01015.27
7.2.150.0130.00315.23
7.2.140.0050.01015.14
7.2.130.0150.00315.10
7.2.120.0030.01615.22
7.2.110.0090.00615.19
7.2.100.0050.00914.88
7.2.90.0060.00915.20
7.2.80.0070.00715.32
7.2.70.0060.00915.23
7.2.60.0100.00515.34
7.2.50.0090.00615.30
7.2.40.0080.00615.35
7.2.30.0140.00015.18
7.2.20.0130.00314.96
7.2.10.0150.00915.23
7.2.00.0000.01715.14

preferences:
30.78 ms | 403 KiB | 5 Q