3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [ ['email' => 'aa@gmail.com', 'name' => 'John Doe'], ['email' => 'bb@gmail.com', 'name' => 'Johnny Sins'], ['email' => 'cc@gmail.com', 'name' => 'Jose Alvarado'] ]; $arr2 = [ ['email' => 'cc@gmail.com', 'country' => 'Japan'], ['email' => 'cc@gmail.com', 'country' => 'China'], ['email' => 'bb@gmail.com', 'country' => 'Korea'], ]; $result = array_column($arr1, null, 'email'); $counts = array_count_values(array_column($arr2, 'email')); foreach ($arr2 as $row) { if ($counts[$row['email']] > 1) { unset($result[$row['email']]); } else { $result[$row['email']] += $row; } } var_export(array_values($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)
8.4.130.0130.00617.89
8.4.120.0100.00722.47
8.4.110.0100.01018.36
8.4.100.0050.00517.93
8.4.90.0120.00917.95
8.4.80.0140.00619.38
8.4.70.0110.00817.96
8.4.60.0110.00918.93
8.4.50.0090.01120.23
8.4.40.0060.00617.66
8.4.30.0070.01119.05
8.4.20.0130.00722.15
8.4.10.0030.00623.71
8.3.260.0120.00816.82
8.3.250.0120.00618.92
8.3.240.0130.00816.61
8.3.230.0100.00916.66
8.3.220.0120.00716.73
8.3.210.0120.00816.73
8.3.200.0070.00716.48
8.3.190.0130.00519.00
8.3.180.0100.00818.72
8.3.170.0090.00917.38
8.3.160.0040.00418.40
8.3.150.0100.01016.69
8.3.140.0070.00716.49
8.3.130.0030.00618.32
8.3.120.0090.00920.66
8.3.110.0130.00716.79
8.3.100.0060.00324.06
8.3.90.0110.00726.77
8.3.80.0090.00019.36
8.3.70.0090.00918.31
8.3.60.0060.00918.31
8.3.50.0140.00716.59
8.3.40.0140.00020.29
8.3.30.0000.01418.90
8.3.20.0050.00324.18
8.3.10.0050.00324.66
8.3.00.0000.00826.16
8.2.290.0110.00818.92
8.2.280.0090.00820.34
8.2.270.0090.00917.40
8.2.260.0040.00420.69
8.2.250.0090.00016.62
8.2.240.0080.00816.93
8.2.230.0070.01020.94
8.2.220.0030.00537.54
8.2.210.0140.00526.77
8.2.200.0000.01018.88
8.2.190.0140.00418.48
8.2.180.0130.00316.32
8.2.170.0130.00718.95
8.2.160.0000.01422.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0100.00020.52
8.2.100.0000.01117.78
8.2.90.0040.00417.88
8.2.80.0050.00318.78
8.2.70.0000.00817.63
8.2.60.0050.00318.04
8.2.50.0120.00018.07
8.2.40.0030.00719.82
8.2.30.0040.00418.14
8.2.20.0000.00719.34
8.2.10.0090.00317.63
8.2.00.0040.00617.80
8.1.330.0110.00816.88
8.1.320.0070.01216.00
8.1.310.0140.00318.47
8.1.300.0000.00820.10
8.1.290.0090.00030.84
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.81
8.1.230.0040.00720.96
8.1.220.0050.00317.79
8.1.210.0030.00518.77
8.1.200.0040.00417.23
8.1.190.0030.00717.13
8.1.180.0040.00418.10
8.1.170.0000.00818.56
8.1.160.0040.00418.89
8.1.150.0070.00018.55
8.1.140.0150.00617.41
8.1.130.0180.00017.46
8.1.120.0080.00417.47
8.1.110.0020.00917.47
8.1.100.0050.00517.34
8.1.90.0050.00517.40
8.1.80.0040.00617.47
8.1.70.0040.00817.57
8.1.60.0100.01017.62
8.1.50.0110.00017.65
8.1.40.0110.00017.65
8.1.30.0070.00417.57
8.1.20.0050.00517.66
8.1.10.0050.00517.53
8.1.00.0070.00417.46
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.34
8.0.270.0050.00516.79
8.0.260.0050.00516.86
8.0.250.0050.00316.90
8.0.240.0000.01117.01
8.0.230.0000.00816.93
8.0.220.0040.00416.81
8.0.210.0000.00716.94
8.0.200.0050.00516.92
8.0.190.0030.00616.95
8.0.180.0000.00716.83
8.0.170.0030.00516.89
8.0.160.0050.00316.88
8.0.150.0060.00616.73
8.0.140.0070.00316.73
8.0.130.0060.00316.88
8.0.120.0050.00716.86
8.0.110.0080.00416.81
8.0.100.0140.00316.75
8.0.90.0160.00016.75
8.0.80.0150.00016.79
8.0.70.0150.00016.76
8.0.60.0120.00316.75
8.0.50.0080.00416.83
8.0.30.0120.00016.84
8.0.20.0000.01116.96
8.0.10.0160.00017.01

preferences:
26.53 ms | 403 KiB | 5 Q