3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ ['ID' => 1, 'Count' => 2], ]; $b = [ ['ID' => 1, 'Count' => 4], ['ID' => 2, 'Count' => 3] ]; var_export( array_values( array_reduce( array_merge($a, $b), function ($result, $row) { if (!isset($result[$row['ID']])) { $result[$row['ID']] = $row; } else { $result[$row['ID']]['Count'] += $row['Count']; } return $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)
8.4.120.0100.00922.32
8.4.110.0120.00824.29
8.4.100.0130.00817.80
8.4.90.0090.01217.58
8.4.80.0050.00519.58
8.4.70.0110.01018.20
8.4.60.0110.00919.00
8.4.50.0090.01317.47
8.4.40.0090.00920.49
8.4.30.0100.01020.30
8.4.20.0120.00920.93
8.4.10.0040.01219.67
8.3.250.0130.00518.89
8.3.240.0090.01116.50
8.3.230.0100.00816.41
8.3.220.0120.00717.16
8.3.210.0130.00816.56
8.3.200.0060.00316.87
8.3.190.0080.00716.92
8.3.180.0080.00818.54
8.3.170.0090.00916.53
8.3.160.0030.00518.47
8.3.150.0150.00316.56
8.3.140.0060.00816.66
8.3.130.0040.00418.42
8.3.120.0060.00619.22
8.3.110.0080.00020.94
8.3.100.0070.00316.49
8.3.90.0090.00026.77
8.3.80.0040.00816.35
8.3.70.0090.00616.75
8.3.60.0140.00018.54
8.3.50.0090.00916.45
8.3.40.0130.00318.96
8.3.30.0110.00418.79
8.3.20.0000.00824.18
8.3.10.0080.00024.66
8.3.00.0030.00526.16
8.2.290.0040.00520.43
8.2.280.0060.00918.65
8.2.270.0110.00719.07
8.2.260.0040.00416.63
8.2.250.0040.00419.02
8.2.240.0100.00017.29
8.2.230.0090.00622.58
8.2.220.0080.00324.06
8.2.210.0090.00026.77
8.2.200.0090.00016.50
8.2.190.0150.00616.75
8.2.180.0120.00325.92
8.2.170.0070.00718.95
8.2.160.0110.01122.96
8.2.150.0000.00725.66
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00026.16
8.2.110.0090.00022.14
8.2.100.0100.00317.84
8.2.90.0060.00317.63
8.2.80.0060.00318.87
8.2.70.0000.00917.63
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0080.00018.35
8.2.30.0030.00518.02
8.2.20.0070.00018.35
8.2.10.0040.00419.38
8.2.00.0080.00019.33
8.1.330.0110.00816.63
8.1.320.0110.00715.95
8.1.310.0070.01018.64
8.1.300.0050.00520.16
8.1.290.0090.00030.84
8.1.280.0120.00325.92
8.1.270.0060.00623.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0130.01020.53
8.1.230.0030.00917.57
8.1.220.0040.00417.79
8.1.210.0030.00518.77
8.1.200.0090.00017.36
8.1.190.0070.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00818.83
8.1.160.0000.00718.79
8.1.150.0000.00718.89
8.1.140.0050.00219.01
8.1.130.0060.00020.27
8.1.120.0000.00717.52
8.1.110.0040.00417.51
8.1.100.0040.00417.51
8.1.90.0030.00517.45
8.1.80.0000.00817.36
8.1.70.0040.00417.39
8.1.60.0080.00017.60
8.1.50.0060.00317.43
8.1.40.0000.00917.53
8.1.30.0030.00617.64
8.1.20.0040.00417.52
8.1.10.0040.00417.47
8.1.00.0050.00317.39
8.0.300.0080.00018.77
8.0.290.0090.00016.58
8.0.280.0030.00318.45
8.0.270.0030.00318.06
8.0.260.0030.00318.49
8.0.250.0000.00716.96
8.0.240.0040.00416.82
8.0.230.0040.00416.95
8.0.220.0000.00716.88
8.0.210.0070.00016.78
8.0.200.0060.00316.99
8.0.190.0020.00516.86
8.0.180.0060.00316.80
8.0.170.0030.00716.92
8.0.160.0040.00416.85
8.0.150.0000.00816.75
8.0.140.0040.00716.82
8.0.130.0000.00613.41
8.0.120.0080.00016.87
8.0.110.0050.00216.90
8.0.100.0040.00416.73
8.0.90.0070.00016.93
8.0.80.0090.01316.93
8.0.70.0130.00516.95
8.0.60.0100.00616.87
8.0.50.0060.00916.77
8.0.30.0140.00716.81
8.0.20.0030.01316.94
8.0.10.0060.00916.95
8.0.00.0110.01117.02
7.4.330.0060.00015.55
7.4.320.0060.00016.53
7.4.300.0000.00616.56
7.4.290.0050.00216.41
7.4.280.0000.00716.64
7.4.270.0000.00716.50
7.4.260.0050.00013.32
7.4.250.0070.00016.54
7.4.240.0020.00516.48
7.4.230.0000.00716.68
7.4.220.0030.00316.70
7.4.210.0120.00316.64
7.4.200.0130.00716.45
7.4.190.0040.01616.60
7.4.180.0100.00616.52
7.4.160.0060.00916.54
7.4.150.0100.00716.46
7.4.140.0100.01016.41
7.4.130.0060.01316.41
7.4.120.0060.00916.56
7.4.110.0110.00616.38
7.4.100.0100.01016.62
7.4.90.0130.00616.40
7.4.80.0030.01716.41
7.4.70.0130.00316.56
7.4.60.0080.00816.51
7.4.50.0070.01016.43
7.4.40.0090.01216.27
7.4.30.0140.00716.39
7.4.20.0080.01216.48
7.4.10.0150.00616.57
7.4.00.0100.00716.55
7.3.330.0050.00216.22
7.3.320.0050.00013.15
7.3.310.0000.00716.43
7.3.300.0060.00016.32
7.3.290.0140.00016.34
7.3.280.0140.00716.34
7.3.270.0140.00716.33
7.3.260.0090.00916.32
7.3.250.0090.00916.38
7.3.240.0090.01016.36
7.3.230.0100.01316.36
7.3.220.0160.00316.19
7.3.210.0000.01916.30
7.3.200.0060.01616.30
7.3.190.0130.00716.32
7.3.180.0030.01216.21
7.3.170.0070.00716.32
7.3.160.0030.01616.29
7.3.150.0130.00316.29
7.3.140.0040.01116.30
7.3.130.0150.00616.31
7.3.120.0130.00916.29
7.3.110.0090.00716.21
7.3.100.0150.00616.20
7.3.90.0060.01616.64
7.3.80.0100.00716.32
7.3.70.0070.00716.41
7.3.60.0080.00816.46
7.3.50.0090.01216.46
7.3.40.0040.01116.57
7.3.30.0160.00316.48
7.3.20.0040.01416.51
7.3.10.0040.01416.41
7.3.00.0100.00716.41

preferences:
30.14 ms | 403 KiB | 5 Q