3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ ['ID' => 1, 'Count' => 2], ]; $b = [ ['ID' => 1, 'Count' => 4], ['ID' => 2, 'Count' => 3] ]; $result = []; foreach (array_merge($a, $b) as $row) { if (!isset($result[$row['ID']])) { $result[$row['ID']] = $row; } else { $result[$row['ID']]['Count'] += $row['Count']; } } var_export(array_values($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)
8.4.120.0110.00820.45
8.4.110.0140.00522.29
8.4.100.0100.01117.70
8.4.90.0070.00518.69
8.4.80.0130.00819.52
8.4.70.0100.01017.82
8.4.60.0090.00718.79
8.4.50.0150.00717.54
8.4.40.0060.00320.43
8.4.30.0040.00420.36
8.4.20.0100.01020.84
8.4.10.0100.01019.23
8.3.250.0100.00219.08
8.3.240.0080.00616.42
8.3.230.0160.00416.70
8.3.220.0070.00217.42
8.3.210.0130.00716.37
8.3.200.0050.00416.78
8.3.190.0120.00817.07
8.3.180.0050.00318.49
8.3.170.0060.00317.41
8.3.160.0080.00017.09
8.3.150.0090.00916.77
8.3.140.0030.00518.88
8.3.130.0100.01016.57
8.3.120.0030.00718.93
8.3.110.0140.00020.94
8.3.100.0050.00318.29
8.3.90.0040.00426.77
8.3.80.0090.00016.75
8.3.70.0090.00618.43
8.3.60.0040.01118.43
8.3.50.0140.00018.02
8.3.40.0070.00718.97
8.3.30.0060.01018.89
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0090.01020.41
8.2.280.0080.00618.30
8.2.270.0040.01516.55
8.2.260.0090.00916.66
8.2.250.0170.00317.20
8.2.240.0090.00018.63
8.2.230.0050.00322.58
8.2.220.0060.00324.06
8.2.210.0060.00326.77
8.2.200.0060.00316.38
8.2.190.0040.01116.63
8.2.180.0090.00625.92
8.2.170.0090.00618.91
8.2.160.0100.00322.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0060.00320.53
8.2.110.0060.00320.26
8.2.100.0090.00318.03
8.2.90.0120.00317.50
8.2.80.0080.00018.91
8.2.70.0090.00017.74
8.2.60.0050.00317.92
8.2.50.0030.00618.07
8.2.40.0080.00019.88
8.2.30.0000.00718.11
8.2.20.0050.00218.29
8.2.10.0070.00019.18
8.2.00.0000.00719.35
8.1.330.0100.00521.98
8.1.320.0120.00716.24
8.1.310.0100.01016.16
8.1.300.0060.00318.29
8.1.290.0040.00430.84
8.1.280.0100.00725.92
8.1.270.0030.00623.99
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00023.91
8.1.230.0090.00321.04
8.1.220.0000.00817.78
8.1.210.0050.00318.77
8.1.200.0040.00417.35
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0040.00418.51
8.1.160.0000.00718.88
8.1.150.0080.00018.80
8.1.140.0070.00018.96
8.1.130.0000.00620.26
8.1.120.0000.00717.52
8.1.110.0000.00817.50
8.1.100.0020.00517.39
8.1.90.0030.00317.50
8.1.80.0000.00717.46
8.1.70.0080.00017.47
8.1.60.0000.00817.64
8.1.50.0090.00017.44
8.1.40.0040.00417.41
8.1.30.0030.00617.59
8.1.20.0030.00517.73
8.1.10.0000.00817.52
8.1.00.0040.00417.30
8.0.300.0070.00019.65
8.0.290.0040.00416.63
8.0.280.0000.00718.39
8.0.270.0070.00018.01
8.0.260.0040.00418.63
8.0.250.0000.00716.93
8.0.240.0000.00616.91
8.0.230.0040.00416.84
8.0.220.0030.00316.82
8.0.210.0070.00016.88
8.0.200.0030.00316.83
8.0.190.0050.00216.88
8.0.180.0050.00516.97
8.0.170.0040.00416.77
8.0.160.0000.00816.70
8.0.150.0040.00416.88
8.0.140.0050.00516.73
8.0.130.0060.00013.28
8.0.120.0090.00016.84
8.0.110.0000.00816.81
8.0.100.0000.00716.93
8.0.90.0050.00216.70
8.0.80.0060.01016.91
8.0.70.0000.01716.87
8.0.60.0160.00616.79
8.0.50.0060.01616.77
8.0.30.0110.01116.87
8.0.20.0070.00716.89
8.0.10.0110.01116.93
8.0.00.0090.00617.04
7.4.330.0050.00015.55
7.4.320.0000.00616.57
7.4.300.0000.00716.63
7.4.290.0070.00016.52
7.4.280.0070.00016.63
7.4.270.0040.00416.42
7.4.260.0050.00013.29
7.4.250.0040.00416.46
7.4.240.0040.00316.55
7.4.230.0030.00316.47
7.4.220.0000.00716.63
7.4.210.0100.01016.69
7.4.200.0150.00616.69
7.4.190.0070.00716.46
7.4.180.0100.00716.51
7.4.160.0000.01416.55
7.4.150.0070.01416.39
7.4.140.0030.01016.40
7.4.130.0070.00716.41
7.4.120.0070.00716.43
7.4.110.0070.00716.45
7.4.100.0030.01016.55
7.4.90.0070.00716.54
7.4.80.0000.01416.48
7.4.70.0040.01116.39
7.4.60.0090.00616.42
7.4.50.0090.00616.25
7.4.40.0070.00716.48
7.4.30.0070.00716.52
7.4.20.0070.00716.39
7.4.10.0070.00716.38
7.4.00.0030.01016.56
7.3.330.0070.00016.38
7.3.320.0030.00313.16
7.3.310.0070.00016.35
7.3.300.0000.00716.23
7.3.290.0060.00716.33
7.3.280.0030.01016.27
7.3.270.0100.00316.27
7.3.260.0030.01316.29
7.3.250.0060.00716.32
7.3.240.0060.00716.35
7.3.230.0000.01716.35
7.3.220.0070.01116.24
7.3.210.0120.00616.23
7.3.200.0070.00716.24
7.3.190.0040.01116.22
7.3.180.0070.00716.20
7.3.170.0070.00716.29
7.3.160.0030.01016.27
7.3.150.0070.00716.28
7.3.140.0070.00716.29
7.3.130.0050.00916.29
7.3.120.0050.00816.18
7.3.110.0100.00316.25
7.3.100.0070.01316.18
7.3.90.0100.01016.56
7.3.80.0100.01016.23
7.3.70.0030.01316.37
7.3.60.0070.01316.45
7.3.50.0090.00616.38
7.3.40.0070.00716.45
7.3.30.0130.00716.41
7.3.20.0100.01016.43
7.3.10.0120.00616.32
7.3.00.0140.00016.43

preferences:
26.37 ms | 403 KiB | 5 Q