3v4l.org

run code in 300+ PHP versions simultaneously
<?php $employees = [ [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], [ 'name' => 'John', 'profession' => 'system administrator', 'skills' => [ ['name' => 'bash', 'experience' => 2], ], ], [ 'name' => 'Jane', 'profession' => 'programmer', 'skills' => [ ['name' => 'bash', 'experience' => 3], ['name' => 'php', 'experience' => 2], ['experience' => 0], ], ], [ 'name' => 'Jack', 'profession' => 'system administrator', 'skills' => [], ], ]; $results = []; for ($i = 0; $i < 10000; $i++) { $sum = 0; $count = 0; foreach ($employees as $employee) { if ($employee['profession'] === 'programmer') { foreach ($employee['skills'] as $skill) { if ( isset($skill['name']) && $skill['name'] === 'bash' ) { $sum += $skill['experience']; $count++; } } } } $results[] = $count ? $sum / $count : 0; } echo count($results);

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)
8.3.60.0100.06116.75
8.3.50.0160.06218.05
8.3.40.0170.05418.99
8.3.30.0130.05818.98
8.3.20.0090.02822.16
8.3.10.0070.03022.07
8.3.00.0100.05719.92
8.2.180.0060.06216.75
8.2.170.0200.06922.96
8.2.160.0130.07520.64
8.2.150.0060.03124.18
8.2.140.0040.06524.66
8.2.130.0070.03820.72
8.2.120.0070.03126.35
8.2.110.0100.07319.52
8.2.100.0130.05117.94
8.2.90.0060.05118.09
8.2.80.0000.05718.34
8.2.70.0070.05217.88
8.2.60.0000.05917.75
8.2.50.0000.06117.75
8.2.40.0070.05318.18
8.2.30.0000.06118.13
8.2.20.0100.04918.46
8.2.10.0030.05518.34
8.2.00.0100.05118.36
8.1.280.0160.08225.92
8.1.270.0190.04819.25
8.1.260.0030.03426.35
8.1.250.0070.03028.09
8.1.240.0070.06219.65
8.1.230.0100.04821.29
8.1.220.0030.05418.04
8.1.210.0000.05219.41
8.1.200.0060.05517.73
8.1.190.0040.06917.00
8.1.180.0070.05218.10
8.1.170.0030.05618.03
8.1.160.0030.05419.28
8.1.150.0070.05219.36
8.1.140.0030.05620.11
8.1.130.0060.05820.69
8.1.120.0000.06317.92
8.1.110.0000.06217.88
8.1.100.0030.05317.92
8.1.90.0000.06018.00
8.1.80.0000.05817.89
8.1.70.0000.06417.98
8.1.60.0030.06217.95
8.1.50.0070.05917.90
8.1.40.0070.05918.01
8.1.30.0000.06517.96
8.1.20.0030.06117.98
8.1.10.0100.05818.04
8.1.00.0030.06417.95
8.0.300.0030.05320.45
8.0.290.0070.05517.13
8.0.280.0100.05118.43
8.0.270.0030.05718.47
8.0.260.0030.04719.43
8.0.250.0000.05917.38
8.0.240.0060.05117.27
8.0.230.0030.05617.39
8.0.220.0060.05217.32
8.0.210.0030.05617.18
8.0.200.0030.05717.39
8.0.190.0000.06717.33
8.0.180.0000.06517.31
8.0.170.0030.06117.30
8.0.160.0030.06217.15
8.0.150.0030.06217.18
8.0.140.0030.06317.29
8.0.130.0000.06313.73
8.0.120.0070.05817.27
8.0.110.0030.06017.32
8.0.100.0030.06217.34
8.0.90.0030.06117.36
8.0.80.0200.08717.34
8.0.70.0030.06117.34
8.0.60.0030.06517.09
8.0.50.0030.06217.27
8.0.30.0120.07017.47
8.0.20.0150.08917.48
8.0.10.0030.06117.25
8.0.00.0110.08517.01
7.4.330.0030.05515.55
7.4.320.0030.05616.85
7.4.300.0030.05717.05
7.4.290.0000.06716.91
7.4.280.0030.06616.95
7.4.270.0030.06616.86
7.4.260.0040.07216.92
7.4.250.0100.06116.89
7.4.240.0030.06916.96
7.4.230.0070.05916.88
7.4.220.0130.09816.90
7.4.210.0100.08017.05
7.4.200.0030.07116.86
7.4.160.0120.09016.91
7.4.150.0140.08717.40
7.4.140.0100.11117.86
7.4.130.0060.12616.95
7.4.120.0140.12217.04
7.4.110.0170.09617.04
7.4.100.0090.13516.91
7.4.90.0170.09016.96
7.4.80.0070.09019.39
7.4.70.0060.08716.94
7.4.60.0120.08216.74
7.4.50.0030.09316.63
7.4.40.0130.07917.00
7.4.30.0170.12116.85
7.4.00.0030.09215.38
7.3.330.0000.07013.69
7.3.320.0030.06013.59
7.3.310.0070.06016.75
7.3.300.0000.06516.70
7.3.290.0070.10716.74
7.3.280.0090.09416.71
7.3.270.0100.09317.40
7.3.260.0080.10516.86
7.3.250.0140.08816.72
7.3.240.0110.11516.85
7.3.230.0160.14316.89
7.3.210.0100.10017.06
7.3.200.0130.09416.91
7.3.190.0120.09016.97
7.3.180.0090.09116.68
7.3.170.0160.08316.88
7.3.160.0060.09116.99
7.3.10.0100.09216.44
7.3.00.0030.10216.85
7.2.330.0100.10517.28
7.2.320.0130.10616.93
7.2.310.0130.10416.98
7.2.300.0060.15216.96
7.2.290.0100.10616.96
7.2.130.0070.12017.02
7.2.120.0030.13417.06
7.2.110.0070.12316.93
7.2.100.0100.13117.06
7.2.90.0070.11716.94
7.2.80.0070.14217.18
7.2.70.0070.13416.99
7.2.60.0030.09416.77
7.2.50.0160.11916.99
7.2.40.0070.12016.87
7.2.30.0030.12017.07
7.2.20.0100.12216.98
7.2.10.0070.11917.05
7.2.00.0060.09018.17
7.1.250.0160.15015.74
7.1.200.0130.05315.93
7.1.100.0030.07018.33
7.1.70.0030.07117.28
7.1.60.2320.16233.54
7.1.50.0430.13733.37
7.1.40.0430.12033.03
7.1.30.0400.13032.97
7.1.20.0330.12733.22
7.1.10.0400.11015.11
7.1.00.0230.13014.93
7.0.200.0330.13015.17
7.0.190.0300.15715.08
7.0.180.0130.12714.69
7.0.170.0230.12714.83
7.0.160.0230.14714.72
7.0.150.0330.13014.74
7.0.140.0200.14314.64
7.0.130.0230.13314.96
7.0.120.0270.11314.93
7.0.110.0300.17014.71
7.0.100.0270.14014.81
7.0.90.0370.11314.71
7.0.80.0300.13014.82
7.0.70.0270.12014.74
7.0.60.0200.18714.53
7.0.50.0270.13314.86
7.0.40.0200.14314.88
7.0.30.0200.14714.91
7.0.20.0270.12714.95
7.0.10.0270.13014.84
7.0.00.0830.14014.95
preferences:
52.82 ms | 400 KiB | 5 Q