3v4l.org

run code in 500+ PHP versions simultaneously
<?php $events = array( // Sept 10 2018 array( 2018 => array( 9 => array( 10 => array( 'event01' ) ) ) ), // Sept 20 2018 array( 2018 => array( 9 => array( 20 => array( 'event02' ) ) ) ), // Oct 5 2019 array( 2018 => array( 10 => array( 5 => array( 'event03' ) ) ) ) ); $merged = array_replace_recursive(...$events); print_r($merged);

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)
8.5.30.0090.00821.34
8.5.20.0070.01119.43
8.5.10.0100.00816.60
8.5.00.0180.01119.96
8.4.180.0110.01022.01
8.4.170.0110.01123.85
8.4.160.0110.01023.98
8.4.150.0080.00516.79
8.4.140.0140.00817.53
8.4.130.0110.00717.64
8.4.120.0110.01020.58
8.4.110.0100.01022.37
8.4.100.0100.00717.49
8.4.90.0100.00920.69
8.4.80.0100.00819.07
8.4.70.0120.00719.18
8.4.60.0150.00720.53
8.4.50.0160.00517.68
8.4.40.0120.00317.58
8.4.30.0170.00317.62
8.4.20.0040.00718.41
8.4.10.0060.00319.48
8.3.300.0150.00718.39
8.3.290.0110.01020.66
8.3.280.0170.01018.36
8.3.270.0130.00616.37
8.3.260.0090.00716.45
8.3.250.0110.00719.09
8.3.240.0050.00416.57
8.3.230.0040.00616.68
8.3.220.0140.00819.10
8.3.210.0100.00316.66
8.3.200.0030.00616.62
8.3.190.0120.00816.50
8.3.180.0100.00816.56
8.3.170.0120.00618.54
8.3.160.0110.00718.17
8.3.150.0140.00317.07
8.3.140.0140.00016.43
8.3.130.0060.01318.34
8.3.120.0140.00318.66
8.3.110.0030.00920.94
8.3.100.0120.00324.06
8.3.90.0000.00826.77
8.3.80.0080.00417.97
8.3.70.0140.00418.21
8.3.60.0090.00618.31
8.3.50.0130.00517.90
8.3.40.0120.00318.84
8.3.30.0090.00618.77
8.3.20.0080.00018.48
8.3.10.0080.00021.85
8.3.00.0000.00721.75
8.2.300.0110.00817.94
8.2.290.0100.01116.80
8.2.280.0080.01118.18
8.2.270.0150.00016.61
8.2.260.0080.00018.54
8.2.250.0040.00416.70
8.2.240.0090.00619.05
8.2.230.0030.00622.58
8.2.220.0050.00537.54
8.2.210.0060.00326.77
8.2.200.0050.00516.38
8.2.190.0040.01118.46
8.2.180.0070.01118.04
8.2.170.0170.00022.96
8.2.160.0030.01320.26
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00022.25
8.2.120.0040.00426.35
8.2.110.0050.00520.47
8.2.100.0000.01117.75
8.2.90.0080.00017.50
8.2.80.0000.00818.61
8.2.70.0040.00417.50
8.2.60.0000.00817.63
8.2.50.0000.00817.63
8.2.40.0040.00419.23
8.2.30.0050.00222.28
8.2.20.0080.00017.92
8.2.10.0040.00418.18
8.2.00.0000.00819.27
8.1.340.0080.01217.49
8.1.330.0040.00416.61
8.1.320.0110.00816.19
8.1.310.0150.00316.53
8.1.300.0000.01017.81
8.1.290.0080.00018.88
8.1.280.0110.00325.92
8.1.270.0000.00822.07
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0000.01020.58
8.1.230.0110.00022.13
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00017.35
8.1.190.0090.00017.22
8.1.180.0060.00318.10
8.1.170.0040.00417.62
8.1.160.0020.00618.78
8.1.150.0000.00818.83
8.1.140.0000.00718.81
8.1.130.0000.00722.03
8.1.120.0070.00017.30
8.1.110.0030.00617.30
8.1.100.0000.00817.36
8.1.90.0000.00717.41
8.1.80.0000.00717.43
8.1.70.0030.00617.39
8.1.60.0000.00817.41
8.1.50.0040.00417.36
8.1.40.0000.00817.48
8.1.30.0060.00317.54
8.1.20.0040.00417.59
8.1.10.0000.00817.50
8.1.00.0050.00317.27
8.0.300.0000.00718.77
8.0.290.0080.00016.60
8.0.280.0000.00718.39
8.0.270.0030.00317.30
8.0.260.0060.00018.32
8.0.250.0070.00016.89
8.0.240.0040.00416.86
8.0.230.0030.00516.85
8.0.220.0070.00016.83
8.0.210.0070.00016.81
8.0.200.0000.00816.87
8.0.190.0040.00416.90
8.0.180.0000.00716.93
8.0.170.0030.00516.86
8.0.160.0040.00416.79
8.0.150.0050.00316.78
8.0.140.0040.00416.79
8.0.130.0040.00413.23
8.0.120.0000.00816.80
8.0.110.0000.00716.87
8.0.100.0000.00716.61
8.0.90.0000.00716.63
8.0.80.0060.00916.82
8.0.70.0040.00416.66
8.0.60.0040.00416.86
8.0.50.0040.00416.84
8.0.30.0070.01317.13
8.0.20.0120.00717.40
8.0.10.0070.00017.02
8.0.00.0070.01016.72
7.4.330.0030.00315.55
7.4.320.0030.00316.45
7.4.300.0000.00616.39
7.4.290.0030.00316.52
7.4.280.0030.00616.46
7.4.270.0030.00316.30
7.4.260.0030.00316.52
7.4.250.0070.00016.39
7.4.240.0000.00716.47
7.4.230.0040.00416.64
7.4.220.0040.00416.48
7.4.210.0090.00716.50
7.4.200.0030.00316.56
7.4.160.0110.00616.37
7.4.140.0080.01117.86
7.4.130.0060.01216.27
7.4.120.0100.00816.43
7.4.110.0100.00716.58
7.4.100.0070.01316.35
7.4.90.0150.00916.60
7.4.80.0070.01019.39
7.4.70.0000.01816.46
7.4.60.0230.00016.46
7.4.50.0090.00916.17
7.4.40.0100.01016.15
7.4.00.0080.00814.73
7.3.330.0000.00512.90
7.3.320.0030.00312.91
7.3.310.0070.00016.16
7.3.300.0030.00316.00
7.3.290.0040.00416.05
7.3.280.0070.00816.14
7.3.260.0130.00916.34
7.3.240.0100.00916.18
7.3.230.0150.00316.29
7.3.210.0130.01016.18
7.3.200.0030.01416.21
7.3.190.0060.01016.12
7.3.180.0140.00316.50
7.3.170.0080.00816.29
7.3.160.0150.00816.11
7.2.330.0100.01316.25
7.2.320.0090.00716.44
7.2.310.0090.00916.57
7.2.300.0100.00616.35
7.2.290.0140.00316.50
7.2.100.1800.00614.41
7.2.90.2220.00614.26
7.2.80.2490.00714.51
7.2.70.1930.00314.45
7.2.60.2470.00614.66
7.2.50.2840.00714.89
7.2.40.2670.00714.81
7.2.30.2550.01314.82
7.2.20.2960.00314.77
7.2.10.2400.00714.49
7.2.00.2370.01314.48
7.1.220.3330.00713.61
7.1.210.1740.00713.66
7.1.200.3580.00313.54
7.1.190.3610.00313.93
7.1.180.2570.00313.51
7.1.170.2750.00713.68
7.1.160.2910.00313.64
7.1.150.2420.00713.70
7.1.140.3350.00313.61
7.1.130.1600.00313.86
7.1.120.1890.00713.17
7.1.110.3130.01013.45
7.1.100.3540.00313.63
7.1.90.3330.01013.52
7.1.80.4210.01313.36
7.1.70.2820.00313.14
7.1.60.3280.01331.27
7.1.50.1740.00031.52
7.1.40.0220.01331.69
7.1.30.3800.01331.59
7.1.20.5940.02031.47
7.1.10.6340.01013.36
7.1.00.4310.01913.57
5.6.380.0130.00414.35

preferences:
92.18 ms | 1568 KiB | 5 Q