3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ 'a' => 0, 'b' => 0, 'c' => 1 ]; var_export( array_reduce( array_keys($a), function ($result, $k) use ($a) { $result[$a[$k]][] = $k; 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)
8.5.30.0110.00619.26
8.5.20.0060.01120.01
8.5.10.0110.00616.76
8.5.00.0140.00720.00
8.4.180.0110.01119.68
8.4.170.0140.00823.71
8.4.160.0140.01123.75
8.4.150.0090.00416.97
8.4.140.0170.00417.41
8.4.130.0110.00617.76
8.4.120.0090.01124.17
8.4.110.0130.00722.39
8.4.100.0110.00718.76
8.4.90.0100.01118.76
8.4.80.0100.00918.72
8.4.70.0050.00317.87
8.4.60.0120.00718.86
8.4.50.0120.00918.82
8.4.40.0100.00618.02
8.4.30.0160.00320.87
8.4.20.0090.00619.82
8.4.10.0100.01019.28
8.3.300.0120.00820.70
8.3.290.0110.00918.46
8.3.280.0120.01018.24
8.3.270.0070.01216.79
8.3.260.0050.00316.48
8.3.250.0090.00918.80
8.3.240.0100.00617.22
8.3.230.0110.00816.69
8.3.220.0090.01118.98
8.3.210.0110.00916.55
8.3.200.0070.00216.61
8.3.190.0070.01017.41
8.3.180.0120.00316.95
8.3.170.0070.01119.12
8.3.160.0150.00317.16
8.3.150.0040.01417.39
8.3.140.0000.00817.45
8.3.130.0040.00418.71
8.3.120.0060.00320.87
8.3.110.0100.00020.94
8.3.100.0080.00024.06
8.3.90.0040.00426.77
8.3.80.0030.00617.97
8.3.70.0110.00418.30
8.3.60.0150.00016.72
8.3.50.0080.00816.72
8.3.40.0100.00721.82
8.3.30.0120.00322.96
8.3.20.0100.00323.51
8.3.10.0100.00323.61
8.3.00.0180.00022.96
8.2.300.0070.00917.97
8.2.290.0090.00620.58
8.2.280.0120.00718.44
8.2.270.0150.00317.06
8.2.260.0060.00316.67
8.2.250.0040.00416.48
8.2.240.0060.00317.33
8.2.230.0040.00422.58
8.2.220.0130.00737.54
8.2.210.0110.00726.77
8.2.200.0030.00616.50
8.2.190.0110.00416.63
8.2.180.0100.00716.63
8.2.170.0160.00622.96
8.2.160.0060.01122.96
8.2.150.0170.00022.96
8.2.140.0070.01022.96
8.2.130.0100.00722.96
8.2.120.0030.01322.96
8.2.110.0110.00422.96
8.2.100.0140.00722.96
8.2.90.0100.01022.96
8.2.80.0100.00722.96
8.2.70.0180.00022.96
8.2.60.0120.00922.96
8.2.50.0130.00722.96
8.2.40.0070.01422.96
8.2.30.0160.00322.96
8.2.20.0040.01222.96
8.2.10.0120.00322.96
8.2.00.0120.00422.96
8.1.340.0120.01317.40
8.1.330.0120.00621.89
8.1.320.0090.00815.98
8.1.310.0070.01018.41
8.1.300.0080.00017.61
8.1.290.0000.00930.84
8.1.280.0040.01425.92
8.1.270.0070.00722.96
8.1.260.0150.00022.96
8.1.250.0110.00422.96
8.1.240.0040.01122.96
8.1.230.0060.01022.96
8.1.220.0120.00922.96
8.1.210.0080.01122.96
8.1.200.0070.01122.96
8.1.190.0130.00322.96
8.1.180.0070.01122.96
8.1.170.0070.01022.96
8.1.160.0110.00422.96
8.1.150.0110.00422.96
8.1.140.0130.00722.96
8.1.130.0160.00322.96
8.1.120.0000.01922.96
8.1.110.0070.00722.96
8.1.100.0130.00322.96
8.1.90.0060.01022.96
8.1.80.0100.00622.96
8.1.70.0070.01122.96
8.1.60.0110.00722.96
8.1.50.0120.00322.96
8.1.40.0100.00722.96
8.1.30.0160.00322.96
8.1.20.0100.00722.96
8.1.10.0070.01122.96
8.1.00.0150.00022.96

preferences:
43.75 ms | 990 KiB | 5 Q