3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lists = [['email' => 'test@test.lv', 'mvars' => ['name' => 'bob']],['email' => 'test@test.lv', 'mvars' => ['name' => 'bob']]]; foreach($lists as $list){ $list = array_map(function($key){ var_dump($key); if($key == 'name'){ unset($key); $key = 'newkey'; } else { } },array_keys($list['mvars'])); }; var_dump($lists);

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)
8.3.60.0040.01516.38
8.3.50.0080.00620.06
8.3.40.0110.00418.79
8.3.30.0120.00418.57
8.3.20.0040.00421.71
8.3.10.0070.00023.65
8.3.00.0040.00419.97
8.2.180.0090.01216.75
8.2.170.0120.00322.96
8.2.160.0110.00020.39
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0070.00022.29
8.2.120.0040.00426.35
8.2.110.0060.00320.99
8.2.100.0040.00718.16
8.2.90.0040.00419.25
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0040.00418.10
8.2.40.0060.00322.34
8.2.30.0030.00519.34
8.2.20.0000.00717.57
8.2.10.0000.00818.01
8.2.00.0000.00718.18
8.1.280.0150.00625.92
8.1.270.0070.00023.99
8.1.260.0000.00828.09
8.1.250.0080.00028.09
8.1.240.0090.00321.44
8.1.230.0070.00417.83
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0080.00017.23
8.1.180.0060.00318.10
8.1.170.0080.00318.64
8.1.160.0040.00422.21
8.1.150.0040.00420.95
8.1.140.0040.00419.61
8.1.130.0000.00717.68
8.1.120.0000.00717.47
8.1.110.0060.00317.48
8.1.100.0090.00017.37
8.1.90.0040.00417.46
8.1.80.0030.00517.44
8.1.70.0000.00817.36
8.1.60.0000.00717.59
8.1.50.0030.00517.54
8.1.40.0050.00317.54
8.1.30.0040.00417.55
8.1.20.0040.00417.68
8.1.10.0050.00317.58
8.1.00.0000.00717.53
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0050.00218.45
8.0.270.0000.00817.28
8.0.260.0000.00717.19
8.0.250.0030.00317.02
8.0.240.0080.00016.96
8.0.230.0030.00316.90
8.0.220.0000.00816.82
8.0.210.0030.00316.89
8.0.200.0070.00016.87
8.0.190.0040.00416.84
8.0.180.0100.00016.92
8.0.170.0050.00316.84
8.0.160.0000.00716.84
8.0.150.0070.00016.83
8.0.140.0000.00716.84
8.0.130.0030.00313.27
8.0.120.0060.00316.88
8.0.110.0050.00216.76
8.0.100.0000.00716.80
8.0.90.0050.00316.87
8.0.80.0060.00916.92
8.0.70.0030.00516.96
8.0.60.0000.00816.91
8.0.50.0040.00416.94
8.0.30.0100.00717.12
8.0.20.0120.00617.40
8.0.10.0040.00417.07
8.0.00.0190.00716.70
7.4.330.0050.00015.13
7.4.320.0030.00316.38
7.4.300.0060.00016.45
7.4.290.0030.00316.44
7.4.280.0080.00416.52
7.4.270.0040.00416.49
7.4.260.0000.00716.59
7.4.250.0000.00716.48
7.4.240.0030.00316.61
7.4.230.0070.00016.41
7.4.220.0070.01716.56
7.4.210.0000.02016.44
7.4.200.0030.00316.50
7.4.160.0060.01216.62
7.4.150.0170.00717.40
7.4.140.0120.00817.86
7.4.130.0110.00616.53
7.4.120.0050.01216.69
7.4.110.0110.00716.38
7.4.100.0090.00816.74
7.4.90.0150.00916.53
7.4.80.0070.01119.39
7.4.70.0070.01016.51
7.4.60.0100.00716.34
7.4.50.0070.00716.29
7.4.40.0070.01116.40
7.4.30.0120.00616.45
7.4.00.0000.01515.11
7.3.330.0000.00513.39
7.3.320.0050.00013.38
7.3.310.0000.00716.34
7.3.300.0040.00416.35
7.3.290.0090.00716.37
7.3.280.0080.01116.30
7.3.270.0100.00717.40
7.3.260.0110.01016.38
7.3.250.0090.00916.55
7.3.240.0100.00816.49
7.3.230.0050.01316.39
7.3.210.0100.00716.57
7.3.200.0080.00816.41
7.3.190.0060.01216.34
7.3.180.0100.00616.58
7.3.170.0030.01516.27
7.3.160.0130.01016.42
7.2.330.0070.01116.57
7.2.320.0140.00716.48
7.2.310.0130.00616.82
7.2.300.0140.00416.60
7.2.290.0040.01216.61
7.2.110.0100.00716.36
7.2.00.0060.00619.37
7.1.200.0090.00315.87
7.1.70.0050.00317.15
7.1.60.0030.01019.75
7.1.00.0030.07322.40
7.0.200.0190.00715.00
7.0.90.0070.07019.93
7.0.80.0100.07019.96
7.0.70.0030.06719.93
7.0.60.0130.05719.98
7.0.50.0130.05720.25
7.0.40.0070.06320.36
7.0.30.0100.06720.25
7.0.20.0170.05720.39
7.0.10.0270.05320.39
7.0.00.0100.06320.23
5.6.240.0200.05020.51
5.6.230.0230.07020.57
5.6.220.0230.05320.72
5.6.210.0030.06720.70
5.6.200.0130.05721.13
5.6.190.0130.05721.18
5.6.180.0100.07721.11
5.6.170.0070.06321.09
5.6.160.0000.06721.02
5.6.150.0270.05321.09
5.6.140.0130.05321.18
5.6.130.0100.06021.11
5.6.120.0130.06021.14
5.6.110.0230.05321.07
5.6.100.0070.07021.19
5.6.90.0070.06321.15
5.6.80.0100.05320.53
5.6.70.0070.06020.46
5.6.60.0200.05020.48
5.6.50.0200.06320.36
5.6.40.0030.06320.43
5.6.30.0130.05020.34
5.6.20.0070.05720.45
5.6.10.0170.05320.44
5.6.00.0200.06320.43

preferences:
65.23 ms | 401 KiB | 5 Q