3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = array("id1" => "value1","id3" => "value6"); $array2 = array("id2" => "value2", "id3" => "value3", "id4" => "value4"); $array3 = array_merge($array1, $array2/*, $arrayN, $arrayN*/); $array4 = $array1 + $array2; echo '<pre>'; var_dump($array3); var_dump($array4); echo '</pre>';

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)
8.3.60.0120.00918.30
8.3.50.0070.01422.12
8.3.40.0030.01218.55
8.3.30.0110.00419.01
8.3.20.0090.00020.34
8.3.10.0120.00423.46
8.3.00.0040.00420.84
8.2.180.0070.01316.48
8.2.170.0090.00622.96
8.2.160.0070.00720.39
8.2.150.0110.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0000.00820.74
8.2.110.0070.00420.93
8.2.100.0120.00017.91
8.2.90.0000.00817.84
8.2.80.0040.00418.09
8.2.70.0040.00417.75
8.2.60.0000.01117.63
8.2.50.0030.00517.50
8.2.40.0040.00419.95
8.2.30.0070.00018.07
8.2.20.0070.00017.69
8.2.10.0020.00517.95
8.2.00.0060.00317.74
8.1.280.0190.00325.92
8.1.270.0100.00722.14
8.1.260.0080.01126.35
8.1.250.0000.00728.09
8.1.240.0030.00623.84
8.1.230.0080.00420.97
8.1.220.0000.00817.76
8.1.210.0090.00018.77
8.1.200.0000.00817.13
8.1.190.0040.00416.86
8.1.180.0040.00418.10
8.1.170.0060.00318.56
8.1.160.0000.00721.97
8.1.150.0030.00718.46
8.1.140.0000.00817.27
8.1.130.0030.00317.79
8.1.120.0000.00717.30
8.1.110.0050.00217.29
8.1.100.0000.00717.45
8.1.90.0000.00717.38
8.1.80.0050.00317.44
8.1.70.0000.00717.29
8.1.60.0000.01117.59
8.1.50.0040.00417.42
8.1.40.0070.00317.45
8.1.30.0050.00317.58
8.1.20.0080.00017.59
8.1.10.0030.00617.39
8.1.00.0060.00317.42
8.0.300.0040.00419.93
8.0.290.0050.00216.88
8.0.280.0000.00718.39
8.0.270.0030.00317.34
8.0.260.0060.00317.25
8.0.250.0040.00416.97
8.0.240.0030.00316.92
8.0.230.0000.00716.86
8.0.220.0000.00716.93
8.0.210.0080.00316.87
8.0.200.0060.00017.01
8.0.190.0030.00316.94
8.0.180.0020.00516.87
8.0.170.0030.00616.80
8.0.160.0070.00016.95
8.0.150.0030.00316.82
8.0.140.0040.00416.71
8.0.130.0000.00713.41
8.0.120.0000.00916.86
8.0.110.0000.00816.89
8.0.100.0050.00216.73
8.0.90.0050.00216.97
8.0.80.0140.00316.81
8.0.70.0070.00016.85
8.0.60.0030.00316.92
8.0.50.0040.00416.79
8.0.30.0130.00817.29
8.0.20.0190.00417.40
8.0.10.0040.00417.02
8.0.00.0070.01216.88
7.4.330.0000.00615.00
7.4.320.0000.00716.44
7.4.300.0060.00016.50
7.4.290.0030.00316.40
7.4.280.0040.00416.42
7.4.270.0040.00416.54
7.4.260.0000.00716.61
7.4.250.0060.00316.38
7.4.240.0010.00616.46
7.4.230.0020.00516.44
7.4.220.0060.01216.47
7.4.210.0100.01016.39
7.4.200.0000.00716.33
7.4.160.0070.01016.48
7.4.150.0110.00817.40
7.4.140.0110.00717.86
7.4.130.0090.00916.49
7.4.120.0080.00916.50
7.4.110.0100.00716.51
7.4.100.0130.00716.68
7.4.90.0000.01916.39
7.4.80.0070.01119.39
7.4.70.0100.00716.44
7.4.60.0080.00816.40
7.4.50.0040.00416.60
7.4.40.0100.00716.31
7.4.30.0090.00616.39
7.4.00.0080.00514.94
7.3.330.0000.00513.13
7.3.320.0030.00313.08
7.3.310.0070.00016.16
7.3.300.0030.00316.05
7.3.290.0060.00916.18
7.3.280.0030.01216.24
7.3.270.0120.00617.40
7.3.260.0120.00616.39
7.3.250.0140.00416.47
7.3.240.0090.00916.17
7.3.230.0120.00616.40
7.3.210.0040.01216.54
7.3.200.0090.00619.39
7.3.190.0160.00616.19
7.3.180.0060.00916.23
7.3.170.0140.00316.29
7.3.160.0100.01016.32
7.3.120.0070.00714.43
7.3.110.0070.00715.00
7.3.100.0060.00614.55
7.3.90.0060.00614.80
7.3.80.0140.00014.57
7.3.70.0030.01414.53
7.3.60.0060.00614.45
7.3.50.0000.00914.66
7.3.40.0000.01214.67
7.3.30.0130.00314.46
7.3.20.0070.00716.66
7.3.10.0050.00616.56
7.3.00.0060.00616.47
7.2.330.0140.00316.73
7.2.320.0130.00416.36
7.2.310.0100.01616.71
7.2.300.0130.00916.63
7.2.290.0070.01016.59
7.2.240.0050.00514.59
7.2.230.0000.01415.20
7.2.220.0060.01014.93
7.2.210.0040.00714.97
7.2.200.0060.00915.22
7.2.190.0030.00915.02
7.2.180.0070.00714.63
7.2.170.0030.00714.95
7.2.160.0000.01514.94
7.2.150.0040.00916.76
7.2.140.0030.01116.55
7.2.130.0060.00716.78
7.2.120.0030.01116.74
7.2.110.0040.01016.83
7.2.100.0050.00816.67
7.2.90.0060.00716.86
7.2.80.0040.01116.76
7.2.70.0070.00716.82
7.2.60.0080.00616.88
7.2.50.0080.00716.76
7.2.40.0010.01016.79
7.2.30.0070.00616.81
7.2.20.0080.00816.84
7.2.10.0040.00716.91
7.2.00.0120.00516.93
7.1.330.0000.01115.64
7.1.320.0030.01015.68
7.1.310.0000.01415.77
7.1.300.0130.00015.58
7.1.290.0060.00615.58
7.1.280.0030.01015.68
7.1.270.0030.01015.63
7.1.260.0100.00615.82
7.1.250.0050.00815.57
7.1.240.0000.00915.84
7.1.230.0040.01415.91
7.1.220.0100.00315.84
7.1.210.0040.01115.70
7.1.200.0050.00515.76
7.1.190.0040.01115.82
7.1.180.0030.00915.71
7.1.170.0030.00715.62
7.1.160.0030.00915.48
7.1.150.0030.01315.59
7.1.140.0080.00415.86
7.1.130.0060.00615.52
7.1.120.0100.00715.83
7.1.110.0030.00615.63
7.1.100.0080.00415.78
7.1.90.0030.01015.90
7.1.80.0030.01015.56
7.1.70.0070.00716.47
7.1.60.0070.00817.63
7.1.50.0080.01116.28
7.1.40.0040.01115.46
7.1.30.0000.00915.73
7.1.20.0060.00615.77
7.1.10.0070.00715.69
7.1.00.0020.04418.97
7.0.330.0040.00415.36
7.0.320.0090.00615.09
7.0.310.0070.00715.38
7.0.300.0060.00615.48
7.0.290.0040.01115.60
7.0.280.0000.00914.98
7.0.270.0070.00415.39
7.0.260.0110.00415.39
7.0.250.0000.01115.61
7.0.240.0040.00415.16
7.0.230.0070.00715.10
7.0.220.0040.00715.58
7.0.210.0040.01115.34
7.0.200.0030.00816.00
7.0.190.0070.00715.33
7.0.180.0050.00515.32
7.0.170.0060.00315.41
7.0.160.0090.00015.43
7.0.150.0110.00315.28
7.0.140.0060.03818.66
7.0.130.0030.00715.48
7.0.120.0090.00315.34
7.0.110.0030.00915.47
7.0.100.0080.00415.38
7.0.90.0060.00615.36
7.0.80.0030.00615.26
7.0.70.0130.03517.61
7.0.60.0070.04017.71
7.0.50.0080.04617.82
7.0.40.0070.04516.63
7.0.30.0080.04816.84
7.0.20.0030.04816.76
7.0.10.0100.04016.84
7.0.00.0110.04416.78
5.6.380.0070.00714.44
5.6.370.0040.00714.58
5.6.360.0000.01114.23
5.6.350.0000.01214.07
5.6.340.0060.00914.17
5.6.330.0000.01414.39
5.6.320.0080.00314.47
5.6.310.0120.00614.50
5.6.300.0110.00314.55
5.6.290.0000.01614.52
5.6.280.0060.04017.61
5.6.270.0110.00014.65
5.6.260.0060.00614.42
5.6.250.0110.00014.16
5.6.240.0040.00814.43
5.6.230.0060.00914.23
5.6.220.0100.04017.37
5.6.210.0050.02417.39
5.6.200.0090.02417.77
5.6.190.0070.04417.62
5.6.180.0100.04017.49
5.6.170.0100.04517.70
5.6.160.0150.02017.70
5.6.150.0070.04517.62
5.6.140.0130.03817.69
5.6.130.0030.05517.58
5.6.120.0050.04517.62
5.6.110.0160.03317.77
5.6.100.0100.04417.63
5.6.90.0060.05017.65
5.6.80.0070.04017.25
5.6.70.0050.04517.22
5.6.60.0030.03517.24
5.6.50.0050.03017.33
5.6.40.0100.04417.18
5.6.30.0070.02917.29
5.6.20.0050.03417.41
5.6.10.0070.04517.31
5.6.00.0140.03817.18
5.5.380.0030.00610.98
5.5.370.0030.00710.98
5.5.360.0020.04615.59
5.5.350.0070.03515.66
5.5.340.0050.03315.87
5.5.330.0060.03616.05
5.5.320.0060.04316.09
5.5.310.0030.05015.80
5.5.300.0070.04415.99
5.5.290.0050.03215.94
5.5.280.0030.02316.08
5.5.270.0070.04515.75
5.5.260.0030.04116.04
5.5.250.0020.04815.84
5.5.240.0030.04315.63
5.5.230.0090.03715.60
5.5.220.0080.04115.53
5.5.210.0100.02715.63
5.5.200.0060.04215.64
5.5.190.0030.02515.54
5.5.180.0100.04015.52
5.5.170.0050.00210.74
5.5.160.0050.04015.63
5.5.150.0100.02115.46
5.5.140.0050.04015.50
5.5.130.0030.02815.61
5.5.120.0030.04315.58
5.5.110.0090.04115.60
5.5.100.0030.04315.51
5.5.90.0070.02415.56
5.5.80.0050.02215.47
5.5.70.0020.04015.49
5.5.60.0030.02815.36
5.5.50.0010.02315.51
5.5.40.0030.02315.51
5.5.30.0080.02215.51
5.5.20.0050.02515.55
5.5.10.0040.02015.35
5.5.00.0050.02215.41
5.4.450.0070.03015.10
5.4.440.0080.03215.13
5.4.430.0070.04515.22
5.4.420.0080.02315.12
5.4.410.0080.04214.95
5.4.400.0070.04415.02
5.4.390.0030.04214.83
5.4.380.0050.02815.00
5.4.370.0050.02614.88
5.4.360.0050.04014.91
5.4.350.0030.04015.03
5.4.340.0120.03515.04
5.4.330.0000.01110.78
5.4.320.0080.03714.87
5.4.310.0030.04415.04
5.4.300.0020.03714.88
5.4.290.0050.02214.89
5.4.280.0020.04314.95
5.4.270.0020.04614.94
5.4.260.0030.03614.89
5.4.250.0020.03214.98
5.4.240.0080.03514.93
5.4.230.0070.02015.11
5.4.220.0080.02014.76
5.4.210.0060.02114.89
5.4.200.0050.02314.87
5.4.190.0050.04314.95
5.4.180.0050.02014.86
5.4.170.0030.02014.95
5.4.160.0050.01914.85
5.4.150.0020.02914.84
5.4.140.0030.03813.65
5.4.130.0020.02313.57
5.4.120.0030.02213.53
5.4.110.0020.02213.48
5.4.100.0070.01713.60
5.4.90.0020.02413.68
5.4.80.0070.01813.70
5.4.70.0030.02313.70
5.4.60.0070.02113.57
5.4.50.0040.02313.58
5.4.40.0030.02213.56
5.4.30.0060.02313.67
5.4.20.0030.02113.57
5.4.10.0050.02213.56
5.4.00.0050.02913.38
5.3.290.0050.04212.57
5.3.280.0050.03212.38
5.3.270.0030.04012.43
5.3.260.0030.02012.45
5.3.250.0060.02012.40
5.3.240.0030.02612.48
5.3.230.0050.03412.49
5.3.220.0070.02312.42
5.3.210.0080.02612.41
5.3.200.0070.03012.41
5.3.190.0070.02912.35
5.3.180.0080.03612.55
5.3.170.0080.02312.52
5.3.160.0080.02212.44
5.3.150.0070.02012.50
5.3.140.0050.02112.42
5.3.130.0020.02612.40
5.3.120.0070.02212.46
5.3.110.0070.02312.44
5.3.100.0110.01912.12
5.3.90.0070.02212.15
5.3.80.0060.02112.03
5.3.70.0140.03712.15
5.3.60.0100.02012.19
5.3.50.0090.01811.87
5.3.40.0060.02511.93
5.3.30.0060.04012.09
5.3.20.0090.02411.95
5.3.10.0070.02211.85
5.3.00.0050.01811.84
5.2.170.0020.03010.85
5.2.160.0120.01310.79
5.2.150.0020.01710.72
5.2.140.0030.02110.86
5.2.130.0080.01510.75
5.2.120.0060.01810.75
5.2.110.0060.01810.72
5.2.100.0060.01810.88
5.2.90.0060.01610.80
5.2.80.0030.01810.79
5.2.70.0090.03010.78
5.2.60.0130.01210.63
5.2.50.0090.01310.63
5.2.40.0130.01310.71
5.2.30.0040.02310.70
5.2.20.0050.02810.72
5.2.10.0040.01910.70
5.2.00.0080.01710.68
5.1.60.0040.01610.29
5.1.50.0070.01710.35
5.1.40.0100.02810.44
5.1.30.0080.03110.34
5.1.20.0070.02810.45
5.1.10.0070.02910.42
5.1.00.0080.02310.30
5.0.50.0030.02710.29
5.0.40.0020.02810.29
5.0.30.0050.03310.29
5.0.20.0090.02210.29
5.0.10.0080.02310.29
5.0.00.0080.03210.29
4.4.90.0040.01010.29
4.4.80.0030.01010.29
4.4.70.0050.02010.29
4.4.60.0010.01410.29
4.4.50.0040.02010.29
4.4.40.0050.01310.29
4.4.30.0040.00810.29
4.4.20.0030.01610.29
4.4.10.0020.01510.29
4.4.00.0010.02810.29
4.3.110.0050.01810.29
4.3.100.0010.02110.29
4.3.90.0030.01710.29
4.3.80.0000.03110.29
4.3.70.0010.01810.29
4.3.60.0050.01810.29
4.3.50.0020.01810.29
4.3.40.0020.02310.29
4.3.30.0020.02010.29
4.3.20.0030.02010.29
4.3.10.0000.01510.29
4.3.00.0030.01010.29

preferences:
76.71 ms | 401 KiB | 5 Q