3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oldContact = array( 'name' => 'Joeahkd', 'address' => '123 Masjdhfin', 'city' => 'Spring', 'a-key-only-in-old' => 'foo', 'state' => 'CA', 'zip' => '90101', ); $newContact = array( 'name' => 'Joe', 'a-key-only-in-new' => 'bar', 'address' => '123 Main St', 'city' => 'Springville', 'state' => 'CA', 'zip' => '90101', ); $oldDiff = []; $newDiff = []; foreach ($oldContact + $newContact as $key => $value) { if (isset($oldContact[$key]) && !isset($newContact[$key])) { $oldDiff[$key] = $oldContact[$key]; } elseif (isset($newContact[$key]) && !isset($oldContact[$key])) { $newDiff[$key] = $newContact[$key]; } elseif ($oldContact[$key] !== $newContact[$key]) { $oldDiff[$key] = $oldContact[$key]; $newDiff[$key] = $newContact[$key]; } } echo "Old Diff: " . var_export($oldDiff, true) . "\n"; echo "New Diff: " . var_export($newDiff, true);

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)
8.5.10.0060.00118.77
8.5.00.0160.00619.71
8.4.150.0030.00014.05
8.4.140.0110.01017.66
8.4.130.0110.00717.45
8.4.120.0140.00717.61
8.4.110.0120.00619.61
8.4.100.0100.01019.06
8.4.90.0130.00720.64
8.4.80.0040.00417.64
8.4.70.0130.00817.92
8.4.60.0130.00818.70
8.4.50.0050.00422.34
8.4.40.0040.01419.61
8.4.30.0170.00320.48
8.4.20.0040.00419.71
8.4.10.0190.00017.85
8.3.280.0100.01018.36
8.3.270.0130.00916.42
8.3.260.0110.00916.64
8.3.250.0110.00816.35
8.3.240.0060.00416.77
8.3.230.0110.00816.45
8.3.220.0130.00519.05
8.3.210.0120.00716.79
8.3.200.0180.00316.69
8.3.190.0110.00617.10
8.3.180.0130.00718.85
8.3.170.0110.00717.36
8.3.160.0150.00018.55
8.3.150.0000.00817.42
8.3.140.0120.00616.54
8.3.130.0040.00418.11
8.3.120.0060.00319.02
8.3.110.0110.00020.94
8.3.100.0000.00824.06
8.3.90.0160.00326.77
8.3.80.0000.00916.50
8.3.70.0140.00716.60
8.3.60.0060.00918.43
8.3.50.0080.00820.07
8.3.40.0000.01518.96
8.3.30.0180.00318.92
8.3.20.0050.00324.18
8.3.10.0000.00724.66
8.3.00.0120.00626.16
8.2.290.0110.00816.49
8.2.280.0080.01216.94
8.2.270.0040.00816.95
8.2.260.0040.00418.67
8.2.250.0070.00316.49
8.2.240.0070.00316.97
8.2.230.0040.00422.58
8.2.220.0030.00737.54
8.2.210.0110.00426.77
8.2.200.0060.00316.63
8.2.190.0120.00316.58
8.2.180.0120.00925.92
8.2.170.0180.00319.07
8.2.160.0100.00722.96
8.2.150.0030.01525.66
8.2.140.0090.00924.66
8.2.130.0070.01126.16
8.2.120.0060.00317.75
8.2.110.0000.00920.47
8.2.100.0060.00617.89
8.2.90.0050.00317.97
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0030.00619.89
8.2.30.0040.00418.00
8.2.20.0060.00320.49
8.2.10.0070.00017.73
8.2.00.0050.00319.23
8.1.330.0120.00716.32
8.1.320.0050.00616.20
8.1.310.0060.00316.73
8.1.300.0050.00317.87
8.1.290.0040.00430.84
8.1.280.0100.00325.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0000.00923.87
8.1.230.0040.00820.77
8.1.220.0060.00317.79
8.1.210.0060.00319.09
8.1.200.0040.00417.36
8.1.190.0030.00517.23
8.1.180.0030.00618.10
8.1.170.0040.00418.56
8.1.160.0070.00018.95
8.1.150.0040.00418.57
8.1.140.0000.00717.39
8.1.130.0000.00718.85
8.1.120.0100.00017.46
8.1.110.0040.00417.43
8.1.100.0070.00017.43
8.1.90.0040.00417.41
8.1.80.0080.00017.48
8.1.70.0000.00817.48
8.1.60.0040.00417.58
8.1.50.0000.00817.55
8.1.40.0040.00417.48
8.1.30.0230.00317.55
8.1.20.0190.00617.56
8.1.10.0260.00017.38
8.1.00.0200.00817.51
8.0.300.0000.00719.60
8.0.290.0040.00416.62
8.0.280.0000.00718.32
8.0.270.0030.00316.79
8.0.260.0030.00318.50
8.0.250.0000.00716.89
8.0.240.0080.00017.05
8.0.230.0000.00717.06
8.0.220.0040.00416.95
8.0.210.0000.00716.94
8.0.200.0070.00017.03
8.0.190.0000.00917.07
8.0.180.0000.00716.93
8.0.170.0030.00616.87
8.0.160.0090.00316.98
8.0.150.0170.00416.87
8.0.140.0180.00016.88
8.0.130.0140.00616.86
8.0.120.0140.00716.97
8.0.110.0220.00016.93
8.0.100.0150.00316.80
8.0.90.0220.00016.85
8.0.80.0140.00716.83
8.0.70.0130.00316.98
8.0.60.0180.00316.88
8.0.50.0140.00716.88
8.0.30.0130.00916.88
8.0.20.0200.00316.98
8.0.10.0190.00317.05
7.4.330.0000.00515.55
7.4.320.0030.00316.43
7.4.300.0000.00716.55
7.4.290.0060.00316.44
7.4.280.0150.00916.66
7.4.270.0150.00316.60
7.4.260.0170.00516.66
7.4.250.0090.00516.59
7.4.240.0120.00316.60
7.4.230.0160.00416.48
7.4.220.0120.00816.50
7.4.210.0180.00416.61
7.4.200.0200.00016.64
7.4.190.0140.00616.67
7.4.180.0140.00516.69
7.4.160.0120.00216.61
7.4.150.0120.00416.50
7.4.140.0070.00716.37
7.4.130.0190.00016.46
7.4.120.0150.00316.46
7.4.110.0110.00916.35
7.4.100.0150.00516.66
7.4.90.0080.00816.47
7.4.80.0090.00916.31
7.4.70.0150.00416.35
7.4.60.0140.00616.36
7.4.50.0060.00616.36
7.4.40.0150.00016.39
7.4.30.0120.00616.38
7.4.20.0180.00416.42
7.4.10.0230.00016.46
7.4.00.0140.00316.40

preferences:
39.35 ms | 403 KiB | 5 Q