3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['id' => 1, 'uid' => 50, 'sum1' => 1, 'sum2' => 2], ['id' => 2, 'uid' => 50, 'sum1' => 2, 'sum2' => 4], ['id' => 3, 'uid' => 51, 'sum1' => 3, 'sum2' => 5], ]; $result = []; foreach ($array as $row) { if (!isset($ref[$row['uid']])) { $ref[$row['uid']] = $row; $result[] =& $ref[$row['uid']]; continue; } $ref[$row['uid']]['sum1'] += $row['sum1']; $ref[$row['uid']]['sum2'] += $row['sum2']; } var_export($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)
8.4.130.0120.00717.98
8.4.120.0020.00720.59
8.4.110.0070.00918.51
8.4.100.0140.00717.83
8.4.90.0100.00820.54
8.4.80.0110.00818.77
8.4.70.0040.00420.58
8.4.60.0110.00818.55
8.4.50.0040.00520.30
8.4.40.0120.00917.75
8.4.30.0070.01118.73
8.4.20.0110.01117.68
8.4.10.0060.00319.60
8.3.260.0090.00316.63
8.3.250.0090.01019.02
8.3.240.0090.00916.71
8.3.230.0040.00616.85
8.3.220.0120.00618.82
8.3.210.0100.00919.09
8.3.200.0050.00516.47
8.3.190.0080.01017.31
8.3.180.0120.00818.96
8.3.170.0110.00719.07
8.3.160.0040.00417.02
8.3.150.0040.01516.65
8.3.140.0050.00318.97
8.3.130.0030.00618.50
8.3.120.0040.00418.79
8.3.110.0040.00420.94
8.3.100.0100.00724.06
8.3.90.0000.00826.77
8.3.80.0000.00917.97
8.3.70.0090.01316.62
8.3.60.0070.01018.24
8.3.50.0120.00316.61
8.3.40.0140.00023.65
8.3.30.0100.00320.33
8.3.20.0050.00224.18
8.3.10.0190.00021.61
8.3.00.0130.00718.91
8.2.290.0060.00316.55
8.2.280.0100.00918.28
8.2.270.0040.01516.63
8.2.260.0150.00316.31
8.2.250.0040.00418.34
8.2.240.0030.00516.97
8.2.230.0000.00822.58
8.2.220.0060.00337.54
8.2.210.0110.00426.77
8.2.200.0030.00616.63
8.2.190.0120.00616.58
8.2.180.0130.01016.75
8.2.170.0090.00618.84
8.2.160.0040.01122.96
8.2.150.0050.00225.66
8.2.140.0150.00320.38
8.2.130.0180.00020.56
8.2.120.0100.01018.97
8.2.110.0150.00419.14
8.2.100.0120.00319.13
8.2.90.0150.00018.83
8.2.80.0060.01219.21
8.2.70.0170.00318.92
8.2.60.0120.00818.89
8.2.50.0140.00718.87
8.2.40.0140.00618.91
8.2.30.0070.01118.70
8.2.20.0120.00618.78
8.2.10.0160.00418.61
8.2.00.0130.00718.83
8.1.330.0110.00821.65
8.1.320.0130.00616.30
8.1.310.0190.00015.93
8.1.300.0080.00016.20
8.1.290.0040.00730.84
8.1.280.0180.00325.92
8.1.270.0110.00722.24
8.1.260.0120.00621.99
8.1.250.0030.01422.20
8.1.240.0190.00018.43
8.1.230.0110.00718.62
8.1.220.0090.01218.91
8.1.210.0100.01018.64
8.1.200.0090.00618.73
8.1.190.0040.01218.68
8.1.180.0120.00318.56
8.1.170.0130.00318.44
8.1.160.0100.01018.56
8.1.150.0120.00418.55
8.1.140.0120.00318.54
8.1.130.0110.00418.91
8.1.120.0110.00418.50
8.1.110.0090.00618.55
8.1.100.0070.00718.63
8.1.90.0130.00318.60
8.1.80.0000.01518.67
8.1.70.0080.00818.49
8.1.60.0100.00318.63
8.1.50.0060.00318.63
8.1.40.0050.00318.61
8.1.30.0090.00618.72
8.1.20.0040.01118.57
8.1.10.0090.00018.61
8.1.00.0120.00618.55

preferences:
66.22 ms | 403 KiB | 5 Q