3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* hey, i'm trying to get: Array[1] = Array ( [A1] => 123 [B1] => 1234 [C2] => Array ( [0] => 123 [1] => 456 [2] => 789 ) [R2] => Array ( [0] => 1 [1] => 4 [2] => 4 [3] => 6 ) ) */ $c = array('0' => array(), '1'=>array("A1"=>123,"B1"=>1234,"C2"=>array(123,456,789))); $d = array('0' => array(), '1'=>array("R2"=>array(1,4,4,6))); echo "<h1>now what</h1>"; $y = array_merge_recursive($d,$c); print_r($y);

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)
8.3.60.0120.00318.31
8.3.50.0150.00721.14
8.3.40.0110.00418.65
8.3.30.0100.00320.16
8.3.20.0070.00020.04
8.3.10.0070.00021.96
8.3.00.0100.00022.43
8.2.180.0130.01018.23
8.2.170.0110.00722.96
8.2.160.0120.00622.16
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0050.00220.88
8.2.110.0060.00321.96
8.2.100.0070.00417.78
8.2.90.0070.00019.04
8.2.80.0000.00719.25
8.2.70.0000.00817.38
8.2.60.0030.00618.00
8.2.50.0080.00018.07
8.2.40.0000.00818.16
8.2.30.0060.00319.50
8.2.20.0000.00817.47
8.2.10.0080.00017.56
8.2.00.0040.00417.55
8.1.280.0140.00725.92
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0040.00423.96
8.1.230.0060.00619.05
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.51
8.1.180.0000.00819.01
8.1.170.0090.00018.65
8.1.160.0060.00318.84
8.1.150.0040.00418.48
8.1.140.0070.00017.39
8.1.130.0070.00017.82
8.1.120.0030.00317.43
8.1.110.0020.00517.34
8.1.100.0040.00417.44
8.1.90.0000.00717.43
8.1.80.0000.00717.25
8.1.70.0040.00417.37
8.1.60.0040.00417.40
8.1.50.0000.00817.51
8.1.40.0070.00017.36
8.1.30.0000.00817.56
8.1.20.0030.00517.64
8.1.10.0020.00517.43
8.1.00.0000.00917.48
8.0.300.0040.00418.77
8.0.290.0040.00417.04
8.0.280.0000.00718.54
8.0.270.0030.00317.21
8.0.260.0020.00516.80
8.0.250.0030.00316.81
8.0.240.0000.00916.88
8.0.230.0040.00416.86
8.0.220.0030.00316.72
8.0.210.0040.00416.86
8.0.200.0040.00416.77
8.0.190.0000.00716.88
8.0.180.0030.00316.89
8.0.170.0000.00916.82
8.0.160.0030.00316.84
8.0.150.0000.00816.76
8.0.140.0000.00816.81
8.0.130.0000.00513.28
8.0.120.0040.00716.77
8.0.110.0040.00416.83
8.0.100.0030.00516.73
8.0.90.0040.00416.72
8.0.80.0090.00616.83
8.0.70.0020.00516.70
8.0.60.0000.00816.72
8.0.50.0040.00416.90
8.0.30.0090.01117.13
8.0.20.0110.00817.40
8.0.10.0040.00416.80
8.0.00.0090.00816.73
7.4.330.0050.00015.00
7.4.320.0040.00416.44
7.4.300.0060.00016.53
7.4.290.0070.00016.43
7.4.280.0040.00416.53
7.4.270.0040.00416.55
7.4.260.0090.00013.20
7.4.250.0040.00416.33
7.4.240.0070.00016.36
7.4.230.0000.00716.24
7.4.220.0060.01016.48
7.4.210.0100.00916.50
7.4.200.0040.00416.64
7.4.190.0000.00716.41
7.4.160.0100.00616.46
7.4.150.0090.00917.40
7.4.140.0080.01117.86
7.4.130.0090.00816.46
7.4.120.0130.01116.48
7.4.110.0100.00716.46
7.4.100.0030.01316.32
7.4.90.0070.01016.45
7.4.80.0090.00919.39
7.4.70.0100.00716.39
7.4.60.0130.00316.24
7.4.50.0080.00016.32
7.4.40.0030.00922.77
7.4.30.0070.01016.49
7.4.10.0040.00814.99
7.4.00.0090.00914.82
7.3.330.0020.00212.93
7.3.320.0000.00512.92
7.3.310.0070.00015.91
7.3.300.0000.00716.19
7.3.290.0090.00616.06
7.3.280.0090.00916.10
7.3.270.0060.01317.40
7.3.260.0140.01116.40
7.3.250.0160.00516.35
7.3.240.0040.01416.20
7.3.230.0060.01116.43
7.3.210.0120.00916.10
7.3.200.0090.01216.09
7.3.190.0130.00416.32
7.3.180.0070.00716.32
7.3.170.0000.01616.27
7.3.160.0130.00316.50
7.3.130.0060.01314.70
7.3.120.0030.01114.68
7.3.110.0050.01214.62
7.3.100.0030.01214.69
7.3.90.0040.00614.67
7.3.80.0070.00614.58
7.3.70.0040.00814.51
7.3.60.0050.01114.64
7.3.50.0070.00814.75
7.3.40.0040.00814.75
7.3.30.0070.00914.66
7.3.20.0090.00416.48
7.3.10.0080.00616.49
7.3.00.0080.00616.48
7.2.330.0030.01416.46
7.2.320.0100.00716.56
7.2.310.0120.00616.28
7.2.300.0120.00916.65
7.2.290.0090.01216.55
7.2.260.0070.01115.09
7.2.250.0090.00814.81
7.2.240.0100.00615.05
7.2.230.0050.01114.94
7.2.220.0060.00814.88
7.2.210.0070.00915.09
7.2.200.0030.00714.92
7.2.190.0060.00615.01
7.2.180.0060.01015.10
7.2.170.0040.00814.83
7.2.160.0110.00414.91
7.2.150.0130.00316.98
7.2.140.0040.01116.91
7.2.130.0090.00416.93
7.2.120.0040.00916.71
7.2.110.0040.01116.91
7.2.100.0050.00616.71
7.2.90.0060.01016.87
7.2.80.0060.00516.70
7.2.70.0050.00416.77
7.2.60.0050.01016.73
7.2.50.0040.00716.73
7.2.40.0030.00616.86
7.2.30.0020.01416.77
7.2.20.0040.00716.67
7.2.10.0050.00516.85
7.2.00.0080.00616.70
7.1.330.0080.00615.83
7.1.320.0070.00715.81
7.1.310.0020.01215.71
7.1.300.0050.01115.73
7.1.290.0060.00715.79
7.1.280.0030.00915.61
7.1.270.0020.01115.67
7.1.260.0070.00515.47
7.1.250.0050.00815.62
7.1.240.0040.00515.76
7.1.230.0000.01415.69
7.1.220.0070.00715.54
7.1.210.0000.01315.66
7.1.200.0070.00315.68
7.1.190.0000.01615.49
7.1.180.0100.00715.74
7.1.170.0060.00915.78
7.1.160.0120.00015.69
7.1.150.0040.01115.92
7.1.140.0070.00715.45
7.1.130.0070.00715.76
7.1.120.0060.00915.80
7.1.110.0080.00415.72
7.1.100.0070.00716.89
7.1.90.0030.00815.44
7.1.80.0090.00615.82
7.1.70.0070.00416.37
7.1.60.0080.00517.53
7.1.50.0050.01116.19
7.1.40.0090.00315.83
7.1.30.0000.01115.78
7.1.20.0070.01015.86
7.1.10.0040.00415.82
7.1.00.0000.02219.04
7.0.330.0060.00615.31
7.0.320.0000.00815.28
7.0.310.0070.01015.07
7.0.300.0040.01115.02
7.0.290.0070.00315.32
7.0.280.0060.00915.14
7.0.270.0030.01015.32
7.0.260.0090.00314.98
7.0.250.0070.00715.16
7.0.240.0000.01515.43
7.0.230.0070.00715.43
7.0.220.0140.00015.41
7.0.210.0100.00715.02
7.0.200.0050.00515.87
7.0.190.0030.01315.11
7.0.180.0070.00315.28
7.0.170.0060.00615.31
7.0.160.0070.00715.45
7.0.150.0110.00415.15
7.0.140.0080.03818.58
7.0.130.0040.00415.30
7.0.120.0000.01415.43
7.0.110.0030.00715.43
7.0.100.0170.04517.77
7.0.90.0190.03917.49
7.0.80.0080.02717.54
7.0.70.0050.03817.59
7.0.60.0030.04517.77
7.0.50.0000.03317.78
7.0.40.0100.03716.58
7.0.30.0030.05116.80
7.0.20.0080.03316.83
7.0.10.0070.02616.73
7.0.00.0050.04216.77
5.6.400.0070.00714.04
5.6.390.0140.00014.04
5.6.380.0070.00314.56
5.6.370.0090.00913.96
5.6.360.0070.00714.29
5.6.350.0040.01114.03
5.6.340.0000.01414.15
5.6.330.0080.00814.40
5.6.320.0060.00613.90
5.6.310.0090.00914.28
5.6.300.0000.00814.54
5.6.290.0060.00313.90
5.6.280.0030.04117.70
5.6.270.0040.00514.12
5.6.260.0070.00714.51
5.6.250.0080.03517.45
5.6.240.0080.04517.58
5.6.230.0050.03217.48
5.6.220.0110.02817.54
5.6.210.0070.03917.39
5.6.200.0070.04217.78
5.6.190.0070.04717.76
5.6.180.0110.04217.58
5.6.170.0050.04517.75
5.6.160.0070.03017.61
5.6.150.0050.02417.76
5.6.140.0070.03217.79
5.6.130.0080.04317.47
5.6.120.0080.02917.72
5.6.110.0050.04217.76
5.6.100.0080.04817.53
5.6.90.0050.05017.59
5.6.80.0030.04517.29
5.6.70.0030.04817.39
5.6.60.0070.03417.30
5.6.50.0050.04517.33
5.6.40.0100.04517.35
5.6.30.0100.03617.36
5.6.20.0070.04517.28
5.6.10.0050.04217.38
5.6.00.0060.02617.29
5.5.380.0100.04417.37
5.5.370.0050.04217.24
5.5.360.0090.04217.27
5.5.350.0050.04717.24
5.5.340.0070.04017.48
5.5.330.0070.04317.42
5.5.320.0050.04717.54
5.5.310.0070.04017.52
5.5.300.0040.04517.33
5.5.290.0080.04217.51
5.5.280.0130.04017.39
5.5.270.0050.04917.47
5.5.260.0030.04717.68
5.5.250.0090.04017.37
5.5.240.0100.04317.21
5.5.230.0080.03817.19
5.5.220.0070.04617.00
5.5.210.0070.03717.20
5.5.200.0110.03217.05
5.5.190.0130.03817.11
5.5.180.0110.03617.18
5.5.170.0100.00313.84
5.5.160.0050.02717.19
5.5.150.0060.03617.16
5.5.140.0120.04117.13
5.5.130.0070.04217.02
5.5.120.0050.03917.13
5.5.110.0060.04617.18
5.5.100.0030.04617.19
5.5.90.0080.03317.13
5.5.80.0100.03017.14
5.5.70.0100.03816.84
5.5.60.0080.04217.00
5.5.50.0130.03817.18
5.5.40.0100.03817.19
5.5.30.0050.04417.28
5.5.20.0080.03717.08
5.5.10.0130.03716.94
5.5.00.0050.03117.07
5.4.450.0050.04915.12
5.4.440.0010.04415.37
5.4.430.0070.04315.21
5.4.420.0030.04815.23
5.4.410.0100.03515.19
5.4.400.0030.04014.83
5.4.390.0050.04415.13
5.4.380.0070.04015.05
5.4.370.0080.03615.12
5.4.360.0030.04114.97
5.4.350.0090.03415.07
5.4.340.0030.04615.11
5.4.330.0000.01110.84
5.4.320.0100.03715.08
5.4.310.0060.04015.02
5.4.300.0110.03615.22
5.4.290.0060.03815.19
5.4.280.0090.03915.06
5.4.270.0080.04014.93
5.4.260.0050.04115.02
5.4.250.0080.03215.13
5.4.240.0030.04214.93
5.4.230.0100.03315.07
5.4.220.0050.03914.95
5.4.210.0070.04115.08
5.4.200.0060.04515.22
5.4.190.0050.03114.95
5.4.180.0120.03714.96
5.4.170.0070.03515.08
5.4.160.0050.02314.99
5.4.150.0050.02714.89
5.4.140.0050.02813.62
5.4.130.0100.03213.50
5.4.120.0050.03713.78
5.4.110.0030.04313.75
5.4.100.0070.03813.68
5.4.90.0070.03913.63
5.4.80.0050.04013.64
5.4.70.0060.03013.57
5.4.60.0050.04013.77
5.4.50.0100.01813.62
5.4.40.0130.03813.79
5.4.30.0090.03613.63
5.4.20.0030.02413.82
5.4.10.0080.02513.70
5.4.00.0050.03113.34
5.3.290.0030.04313.22
5.3.280.0060.03813.22
5.3.270.0060.04313.22
5.3.260.0030.04013.22
5.3.250.0050.02113.22
5.3.240.0080.04013.22
5.3.230.0110.03113.22
5.3.220.0030.03313.22
5.3.210.0130.04013.22
5.3.200.0020.03213.22
5.3.190.0050.04413.22
5.3.180.0120.03713.22
5.3.170.0070.03713.22
5.3.160.0060.03313.22
5.3.150.0080.03313.22
5.3.140.0050.04213.22
5.3.130.0080.02813.22
5.3.120.0060.03813.22
5.3.110.0090.02913.22
5.3.100.0020.04613.22
5.3.90.0060.04313.22
5.3.80.0030.04513.22
5.3.70.0020.04313.22
5.3.60.0060.03813.22
5.3.50.0070.04013.22
5.3.40.0050.03513.22
5.3.30.0030.03713.22
5.3.20.0000.03513.22
5.3.10.0080.03813.22
5.3.00.0030.02613.22
5.2.170.0000.07015.66
5.2.160.0100.05715.66
5.2.150.0030.04315.66
5.2.140.0100.06315.66
5.2.130.0100.06015.66
5.2.120.0100.06015.66
5.2.110.0070.04715.66
5.2.100.0070.06315.66
5.2.90.0130.06315.66
5.2.80.0000.06715.66
5.2.70.0070.06015.66
5.2.60.0030.06315.66
5.2.50.0100.05315.66
5.2.40.0030.05315.66
5.2.30.0070.06315.66
5.2.20.0000.04715.66
5.2.10.0000.06315.66
5.2.00.0000.06015.66
5.1.60.0000.05715.66
5.1.50.0070.05015.66
5.1.40.0100.05015.66
5.1.30.0030.06015.66
5.1.20.0070.05315.66
5.1.10.0070.05315.66
5.1.00.0000.05315.66
5.0.50.0100.04015.66
5.0.40.0100.04015.66
5.0.30.0070.06015.66
5.0.20.0100.04315.66
5.0.10.0100.03715.66
5.0.00.0000.04315.66
4.4.90.0030.03715.66
4.4.80.0070.03015.66
4.4.70.0030.03715.66
4.4.60.0030.03315.66
4.4.50.0030.03715.66
4.4.40.0030.05315.66
4.4.30.0070.03015.66
4.4.20.0070.03315.66
4.4.10.0000.01715.66
4.4.00.0000.05715.66
4.3.110.0100.03015.66
4.3.100.0000.02715.66
4.3.90.0000.02315.66
4.3.80.0030.05715.66
4.3.70.0070.02715.66
4.3.60.0000.03715.66
4.3.50.0030.03715.66
4.3.40.0030.04315.66
4.3.30.0000.03315.66
4.3.20.0000.03015.66
4.3.10.0030.02015.66
4.3.00.0030.03315.66

preferences:
51.81 ms | 401 KiB | 5 Q