3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array( 't' => array( 'foo' => 'bar', 'bar' => 'foo', 'kip' => array( 'zonder', 'kop', ), ), 'b' => (object) array_combine(range('a', 'z'), range('a', 'z')), ); $arr2 = array( 't' => array( 'foo' => 'aangepast', ), ); $arr3 = array_merge_recursive($arr1, $arr2); echo'<pre>'; print_r($arr1); echo'<hr/>'; print_r($arr2); echo'<hr/>'; print_r($arr3); echo'<hr/>';

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)
8.3.60.0120.00316.50
8.3.50.0170.00222.16
8.3.40.0100.01018.67
8.3.30.0040.01118.80
8.3.20.0000.00820.25
8.3.10.0050.00221.82
8.3.00.0040.00419.38
8.2.180.0110.00318.36
8.2.170.0090.00918.54
8.2.160.0140.00022.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.48
8.2.110.0000.00919.39
8.2.100.0080.00317.63
8.2.90.0000.00919.17
8.2.80.0040.00417.97
8.2.70.0090.00017.63
8.2.60.0000.00818.16
8.2.50.0000.00818.07
8.2.40.0040.00419.88
8.2.30.0000.00718.00
8.2.20.0090.00017.68
8.2.10.0070.00018.11
8.2.00.0020.00517.60
8.1.280.0070.01425.92
8.1.270.0040.00420.57
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.92
8.1.230.0040.01217.42
8.1.220.0000.00917.74
8.1.210.0040.00418.77
8.1.200.0000.01117.10
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0050.00218.85
8.1.160.0050.00321.80
8.1.150.0080.00018.77
8.1.140.0000.00817.44
8.1.130.0030.00617.70
8.1.120.0070.00317.38
8.1.110.0050.00317.41
8.1.100.0040.00417.29
8.1.90.0000.00817.44
8.1.80.0040.00417.42
8.1.70.0030.00317.33
8.1.60.0060.00317.46
8.1.50.0040.00417.41
8.1.40.0050.00317.53
8.1.30.0000.00817.63
8.1.20.0050.00217.66
8.1.10.0000.00817.49
8.1.00.0090.00017.54
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.46
8.0.270.0000.00717.13
8.0.260.0000.00817.18
8.0.250.0070.00016.85
8.0.240.0080.00016.76
8.0.230.0000.00716.91
8.0.220.0040.00416.69
8.0.210.0030.00616.80
8.0.200.0000.00616.77
8.0.190.0000.00816.96
8.0.180.0000.00816.93
8.0.170.0040.00416.83
8.0.160.0080.00016.75
8.0.150.0000.00816.72
8.0.140.0000.00716.86
8.0.130.0000.00713.22
8.0.120.0040.00416.71
8.0.110.0030.00516.83
8.0.100.0040.00416.95
8.0.90.0000.00816.82
8.0.80.0060.00816.82
8.0.70.0040.00416.82
8.0.60.0040.00416.78
8.0.50.0070.00016.65
8.0.30.0080.01217.19
8.0.20.0150.01717.44
8.0.10.0040.00417.06
8.0.00.0120.00816.88
7.4.330.0000.00515.16
7.4.320.0080.00016.61
7.4.300.0000.00616.61
7.4.290.0000.00916.51
7.4.280.0040.00416.59
7.4.270.0000.00716.50
7.4.260.0030.00316.50
7.4.250.0070.00016.55
7.4.240.0040.00416.59
7.4.230.0000.00716.67
7.4.220.0090.00916.55
7.4.210.0060.00916.52
7.4.200.0030.00516.49
7.4.160.0080.00816.69
7.4.150.0060.01717.40
7.4.140.0070.01117.86
7.4.130.0100.00716.51
7.4.120.0110.00616.55
7.4.110.0140.00616.51
7.4.100.0110.00716.49
7.4.90.0030.01616.61
7.4.80.0070.01119.39
7.4.70.0140.00416.69
7.4.60.0060.01316.45
7.4.50.0030.00516.49
7.4.40.0140.00316.52
7.4.30.0140.00616.52
7.4.00.0050.01014.95
7.3.330.0000.00613.14
7.3.320.0060.00613.04
7.3.310.0070.00016.29
7.3.300.0000.00716.22
7.3.290.0040.00416.24
7.3.280.0080.00916.24
7.3.270.0150.01317.40
7.3.260.0110.01216.24
7.3.250.0110.00616.42
7.3.240.0100.00716.24
7.3.230.0090.00916.39
7.3.210.0060.01216.14
7.3.200.0100.01019.39
7.3.190.0080.00816.48
7.3.180.0100.00716.46
7.3.170.0110.00716.27
7.3.160.0120.01016.10
7.3.120.0000.01714.71
7.3.110.0110.00714.86
7.3.100.0070.00714.97
7.3.90.0040.00814.99
7.3.80.0070.01014.82
7.3.70.0090.00614.68
7.3.60.0060.01014.94
7.3.50.0000.01414.48
7.3.40.0070.00714.33
7.3.30.0040.01414.69
7.3.20.0060.01216.61
7.3.10.0030.01016.63
7.3.00.0080.00416.60
7.2.330.0110.00816.39
7.2.320.0130.01016.62
7.2.310.0030.01516.48
7.2.300.0100.01016.70
7.2.290.0180.00016.47
7.2.250.0070.01014.95
7.2.240.0030.01714.93
7.2.230.0060.00914.67
7.2.220.0030.00914.98
7.2.210.0070.00714.82
7.2.200.0040.01215.09
7.2.190.0130.00314.95
7.2.180.0030.01014.89
7.2.170.0040.01114.97
7.1.330.0060.00915.88
7.1.320.0070.00715.93
7.1.310.0060.00615.83
7.1.300.0030.00915.71
7.1.290.0030.01015.45
7.1.280.0030.00915.89
7.1.270.0060.00715.64
7.1.260.0070.01015.82
7.1.200.0060.00615.76
7.1.70.0030.01017.16
7.1.60.0040.01819.50
7.1.50.0030.01716.88
7.1.00.0070.07322.44
7.0.200.0230.00416.12
7.0.140.0070.03322.22
7.0.60.0070.06319.86
7.0.50.0130.07317.87
7.0.40.0100.08020.10
7.0.30.0200.04320.02
7.0.20.0300.08020.45
7.0.10.0270.08020.23
7.0.00.0070.08720.33
5.6.210.0070.07320.61
5.6.200.0200.06018.19
5.6.190.0170.06720.77
5.6.180.0200.06320.46
5.6.170.0270.04020.50
5.6.160.0130.07720.52
5.6.150.0070.08018.28
5.6.140.0070.04018.15
5.6.130.0100.08018.17
5.6.120.0030.05720.97
5.6.110.0100.08321.03
5.6.100.0170.04720.99
5.6.90.0070.05720.96
5.6.80.0030.04720.53
5.6.70.0230.08020.36
5.5.350.0100.08720.40
5.5.340.0030.05318.03
5.5.330.0100.07020.57
5.5.320.0070.08320.35
5.5.310.0270.07020.36
5.5.300.0070.08018.08
5.5.290.0070.08317.98
5.5.280.0100.08020.78
5.5.270.0130.05020.87
5.5.260.0070.05320.88
5.5.250.0100.07720.57
5.5.240.0070.06020.28
5.4.450.0100.05719.57
5.4.440.0030.07019.41
5.4.430.0030.06019.45
5.4.420.0000.08719.46
5.4.410.0170.05019.06
5.4.400.0000.06718.95
5.4.390.0030.07719.09
5.4.380.0100.07018.85
5.4.370.0070.06318.99
5.4.360.0100.06319.24
5.4.350.0170.06318.99
5.4.340.0100.07019.13
5.4.320.0070.06019.30
5.4.310.0070.07319.09
5.4.300.0030.06319.30
5.4.290.0030.06319.08
5.4.280.0070.08019.04
5.4.270.0070.06719.33
5.4.260.0130.05019.21
5.4.250.0100.05018.84
5.4.240.0070.07719.25
5.4.230.0030.06019.08
5.4.220.0000.08018.86
5.4.210.0070.07019.05
5.4.200.0070.07318.84
5.4.190.0100.07319.30
5.4.180.0070.07318.98
5.4.170.0000.07018.93
5.4.160.0230.04719.04
5.4.150.0030.07719.14
5.4.140.0000.04316.52
5.4.130.0000.07716.40
5.4.120.0070.07016.28
5.4.110.0030.06716.53
5.4.100.0070.03716.36
5.4.90.0030.04016.55
5.4.80.0070.05016.43
5.4.70.0070.06016.26
5.4.60.0070.06016.67
5.4.50.0030.06316.42
5.4.40.0030.06316.51
5.4.30.0130.04716.44
5.4.20.0030.07716.48
5.4.10.0000.07316.37
5.4.00.0030.06715.84
5.3.290.0030.06014.64
5.3.280.0070.06014.57
5.3.270.0070.07314.60
5.3.260.0000.08314.52
5.3.250.0000.04014.72
5.3.240.0030.07014.66
5.3.230.0000.06014.61
5.3.220.0030.07714.49
5.3.210.0100.06714.57
5.3.200.0000.05314.57
5.3.190.0130.07014.79
5.3.180.0000.08014.48
5.3.170.0030.03714.59
5.3.160.0030.07714.57
5.3.150.0000.07014.51
5.3.140.0070.07314.63
5.3.130.0070.06014.55
5.3.120.0030.06314.52
5.3.110.0100.05014.57
5.3.100.0030.08013.94
5.3.90.0000.04713.94
5.3.80.0030.04014.03
5.3.70.0070.03013.95
5.3.60.0030.03314.08
5.3.50.0000.04013.87
5.3.40.0000.03713.88
5.3.30.0030.03713.93
5.3.20.0000.03713.86
5.3.10.0000.03313.88
5.3.00.0030.06013.80
5.2.170.0030.03012.27
5.2.160.0030.02712.27
5.2.150.0030.02712.27
5.2.140.0000.03012.27
5.2.130.0000.03012.27
5.2.120.0000.03012.27
5.2.110.0000.03012.27
5.2.100.0000.04712.27
5.2.90.0000.03712.27
5.2.80.0000.03712.27
5.2.70.0030.03012.27
5.2.60.0030.03012.27
5.2.50.0030.02712.27
5.2.40.0070.05312.27
5.2.30.0000.03012.27
5.2.20.0070.02312.27
5.2.10.0030.04712.27
5.2.00.0070.05312.27
5.1.60.0030.03012.27
5.1.50.0000.02312.27
5.1.40.0000.02312.27
5.1.30.0030.02312.27
5.1.20.0030.02312.27
5.1.10.0000.02712.27
5.1.00.0000.03012.27
5.0.50.0030.02012.27
5.0.40.0000.02012.27
5.0.30.0000.03012.27
5.0.20.0030.02012.27
5.0.10.0070.01312.27
5.0.00.0000.03012.27
4.4.90.0000.01712.27
4.4.80.0000.01712.27
4.4.70.0000.01312.27
4.4.60.0030.01012.27
4.4.50.0030.01012.27
4.4.40.0000.02312.27
4.4.30.0000.01312.27
4.4.20.0000.01712.27
4.4.10.0000.01712.27
4.4.00.0000.02712.27
4.3.110.0000.01712.27
4.3.100.0000.01312.27
4.3.90.0000.01312.27
4.3.80.0030.02312.27
4.3.70.0000.01712.27
4.3.60.0030.01312.27
4.3.50.0030.01312.27
4.3.40.0000.02312.27
4.3.30.0000.02012.27
4.3.20.0000.01712.27
4.3.10.0000.01312.27
4.3.00.0030.01312.27

preferences:
47.37 ms | 401 KiB | 5 Q