3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array_a = [ 0 => ['DATE' => '2012-11-28', 'totalCount' => null], 1 => ['DATE' => '2012-11-29', 'totalCount' => null], 2 => ['DATE' => '2012-11-30', 'totalCount' => null], ]; $array_b = [ 0 => ['DATE' => '2012-11-28', 'totalCount' => 30], 2 => ['DATE' => '2012-11-30', 'totalCount' => 40], 12 => ['DATE' => '2012-12-05', 'totalCount' => 50], ]; $result = $array_a; foreach($array_a as $key => $value){ if (array_key_exists($key, $array_b)){ $result[$key] = $array_b[$key]; } else { $result[$key] = $value; } } var_export($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)
8.5.30.0100.00717.93
8.5.20.0090.01019.91
8.5.10.0110.00616.61
8.5.00.0140.00820.07
8.4.180.0150.00719.55
8.4.170.0160.00723.86
8.4.160.0130.00823.89
8.4.150.0060.00616.88
8.4.140.0150.00817.48
8.4.130.0130.00717.78
8.4.120.0080.01120.68
8.4.110.0120.00818.78
8.4.100.0130.00817.76
8.4.90.0100.01118.02
8.4.80.0100.00922.51
8.4.70.0060.00217.52
8.4.60.0140.00818.68
8.4.50.0090.00318.43
8.4.40.0130.00617.57
8.4.30.0130.00618.52
8.4.20.0310.01817.43
8.4.10.0410.00717.30
8.3.300.0150.00620.79
8.3.290.0090.01420.75
8.3.280.0100.00920.09
8.3.270.0120.00716.61
8.3.260.0100.00916.61
8.3.250.0110.00718.86
8.3.240.0150.00416.36
8.3.230.0110.00916.61
8.3.220.0090.00516.89
8.3.210.0090.00916.68
8.3.200.0030.00516.54
8.3.190.0100.00717.09
8.3.180.0120.00417.33
8.3.170.0060.01217.42
8.3.160.0000.00818.44
8.3.150.0330.01216.49
8.3.140.0270.01416.56
8.3.130.0260.00716.57
8.3.120.0330.00816.40
8.3.110.0340.00616.36
8.3.100.0340.01116.20
8.3.90.0370.00916.62
8.3.80.0490.00716.29
8.3.70.0350.00916.34
8.3.60.0340.01116.38
8.3.50.0340.01016.28
8.3.40.0290.01217.23
8.3.30.0280.00717.34
8.3.20.0220.01417.32
8.3.10.0360.00017.34
8.3.00.0190.00317.58
8.2.300.0130.00818.00
8.2.290.0060.00220.74
8.2.280.0110.00818.30
8.2.270.0310.00716.30
8.2.260.0270.01216.36
8.2.250.0260.01116.34
8.2.240.0340.00416.48
8.2.230.0320.00716.15
8.2.220.0390.01016.21
8.2.210.0290.01016.39
8.2.200.0190.02016.46
8.2.190.0300.00916.45
8.2.180.0260.01116.56
8.2.170.0340.01017.35
8.2.160.0320.01017.77
8.2.150.0310.00917.59
8.2.140.0200.02017.47
8.2.130.0250.01417.46
8.2.120.0350.00617.52
8.2.110.0430.00417.36
8.2.100.0260.01117.34
8.2.90.0190.01317.67
8.2.80.0390.00617.47
8.2.70.0380.00317.15
8.2.60.0360.00317.39
8.2.50.0300.00917.38
8.2.40.0360.00017.32
8.2.30.0290.01117.34
8.2.20.0300.00717.43
8.2.10.0310.00717.34
8.2.00.0300.00717.20
8.1.340.0120.00717.70
8.1.320.0060.00416.11

preferences:
45.67 ms | 861 KiB | 5 Q