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'], ['email' => 'cc@gmail.com', 'name' => 'Jose Alvarado'] ]; $arr2 = [ ['email' => 'cc@gmail.com', 'country' => 'Japan'], ['email' => 'cc@gmail.com', 'country' => 'China'], ['email' => 'bb@gmail.com', 'country' => 'Korea'], ]; function sanitizeAndKey($array) { $found = []; $clean = []; foreach ($array as $row) { if (isset($found[$row['email']])) { unset($clean[$row['email']]); } else { $found[$row['email']] = $row; $clean[$row['email']] = $row; } } return $clean; } $result = sanitizeAndKey($arr1); foreach (sanitizeAndKey($arr2) as $key => $row) { $result[$key] = ($result[$key] ?? []) + $row; // append arr2 data to arr1 data } var_export(array_values($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)
8.4.130.0050.00617.78
8.4.120.0100.00820.84
8.4.110.0110.00922.34
8.4.100.0100.00917.73
8.4.90.0060.00418.58
8.4.80.0060.00317.94
8.4.70.0130.00717.71
8.4.60.0120.00819.11
8.4.50.0090.00417.66
8.4.40.0150.00319.63
8.4.30.0060.01518.81
8.4.20.0030.01622.38
8.4.10.0100.00023.80
8.3.260.0100.01016.76
8.3.250.0130.00618.65
8.3.240.0050.00316.64
8.3.230.0110.00916.61
8.3.220.0040.00517.01
8.3.210.0100.00816.86
8.3.200.0050.00416.54
8.3.190.0130.00216.70
8.3.180.0120.00718.25
8.3.170.0120.00618.84
8.3.160.0150.00316.72
8.3.150.0030.01517.23
8.3.140.0110.00416.66
8.3.130.0030.00618.35
8.3.120.0160.00020.68
8.3.110.0040.00420.94
8.3.100.0090.00324.06
8.3.90.0040.00426.77
8.3.80.0080.00417.97
8.3.70.0140.00318.43
8.3.60.0150.00016.50
8.3.50.0040.01116.76
8.3.40.0040.01120.34
8.3.30.0040.01518.86
8.3.20.0060.00324.18
8.3.10.0000.00724.66
8.3.00.0040.00426.16
8.2.290.0060.01220.65
8.2.280.0100.00818.26
8.2.270.0030.00716.58
8.2.260.0070.00720.92
8.2.250.0130.00616.73
8.2.240.0060.00919.10
8.2.230.0060.00322.58
8.2.220.0100.00037.54
8.2.210.0080.00026.77
8.2.200.0090.00018.29
8.2.190.0080.01117.00
8.2.180.0060.00816.50
8.2.170.0120.00618.91
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00726.16
8.2.110.0030.00620.47
8.2.100.0110.00017.84
8.2.90.0030.00619.70
8.2.80.0000.00819.11
8.2.70.0000.00817.75
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0030.00618.34
8.2.30.0000.00718.00
8.2.20.0040.00419.28
8.2.10.0050.00517.68
8.2.00.0080.00817.80
8.1.330.0070.00222.08
8.1.320.0070.01016.26
8.1.310.0040.00418.30
8.1.300.0060.01317.68
8.1.290.0100.00030.84
8.1.280.0100.01325.92
8.1.270.0080.00024.66
8.1.260.0030.00626.35
8.1.250.0050.00328.09
8.1.240.0060.00323.92
8.1.230.0110.00017.66
8.1.220.0040.00417.76
8.1.210.0040.00718.91
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0070.00018.93
8.1.160.0050.00218.89
8.1.150.0050.00218.50
8.1.140.0140.00317.41
8.1.130.0040.00917.37
8.1.120.0040.00717.52
8.1.110.0100.00517.48
8.1.100.0110.00417.43
8.1.90.0030.00817.51
8.1.80.0070.00317.45
8.1.70.0050.00517.53
8.1.60.0000.00917.61
8.1.50.0070.00417.63
8.1.40.0060.00317.63
8.1.30.0040.00417.54
8.1.20.0050.00517.57
8.1.10.0020.00717.38
8.1.00.0040.00417.43
8.0.300.0000.00719.98
8.0.290.0040.00416.58
8.0.280.0000.00818.46
8.0.270.0050.00316.85
8.0.260.0110.00016.79
8.0.250.0090.00016.93
8.0.240.0100.00016.84
8.0.230.0110.00016.93
8.0.220.0030.00616.85
8.0.210.0060.00416.75
8.0.200.0000.01016.97
8.0.190.0070.00316.94
8.0.180.0060.00316.88
8.0.170.0040.00416.95
8.0.160.0070.00216.86
8.0.150.0050.00516.79
8.0.140.0090.00416.86
8.0.130.0030.00616.79
8.0.120.0070.00516.79
8.0.110.0030.00616.88
8.0.100.0030.00616.93
8.0.90.0100.00216.76
8.0.80.0100.00016.93
8.0.70.0070.00316.88
8.0.60.0030.00616.90
8.0.50.0050.00516.79
8.0.30.0110.00016.76
8.0.20.0050.00516.94
8.0.10.0070.00417.00

preferences:
29.87 ms | 406 KiB | 6 Q