3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array('fname' => 'hak', 'lname' => 're'), array('fname' => 'iro', 'lname' => 'egbu')); $b = array(array('fname' => 'nik', 'lname' => 'iC'), array('fname' => 'hak', 'lname' => 're')); $c = array_merge($a, $b); var_dump($c);

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)
8.3.60.0040.01116.63
8.3.50.0190.00321.88
8.3.40.0120.00318.63
8.3.30.0060.00618.94
8.3.20.0050.00320.04
8.3.10.0040.00423.56
8.3.00.0000.00819.26
8.2.180.0090.00616.49
8.2.170.0110.00422.96
8.2.160.0080.00620.28
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00422.09
8.2.110.0030.00722.23
8.2.100.0100.00317.91
8.2.90.0000.00719.23
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0000.00817.92
8.2.50.0040.00418.07
8.2.40.0000.00818.05
8.2.30.0040.00417.93
8.2.20.0000.00817.63
8.2.10.0050.00218.03
8.2.00.0000.00817.72
8.1.280.0070.01125.92
8.1.270.0030.00621.83
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.76
8.1.230.0040.00719.15
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0050.00317.38
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0030.00522.00
8.1.150.0070.00018.56
8.1.140.0000.00717.25
8.1.130.0070.00017.84
8.1.120.0000.00717.30
8.1.110.0020.00517.40
8.1.100.0050.00217.35
8.1.90.0000.00717.39
8.1.80.0000.00717.37
8.1.70.0070.00017.32
8.1.60.0060.00317.39
8.1.50.0000.00817.44
8.1.40.0040.00417.45
8.1.30.0000.00817.57
8.1.20.0050.00217.60
8.1.10.0080.00017.33
8.1.00.0030.00617.38
8.0.300.0040.00418.77
8.0.290.0000.00717.15
8.0.280.0070.00018.39
8.0.270.0030.00317.18
8.0.260.0000.00716.64
8.0.250.0030.00316.82
8.0.240.0000.00816.73
8.0.230.0030.00316.74
8.0.220.0040.00416.71
8.0.210.0030.00316.71
8.0.200.0040.00416.87
8.0.190.0000.00716.81
8.0.180.0050.00316.72
8.0.170.0040.00416.82
8.0.160.0000.00716.90
8.0.150.0070.00016.82
8.0.140.0000.00716.71
8.0.130.0080.00213.25
8.0.120.0040.00416.79
8.0.110.0040.00416.82
8.0.100.0000.00716.70
8.0.90.0030.00316.69
8.0.80.0110.00416.81
8.0.70.0030.00516.69
8.0.60.0000.00716.84
8.0.50.0040.00416.77
8.0.30.0130.00716.84
8.0.20.0120.00717.40
8.0.10.0050.00216.79
8.0.00.0110.00816.68
7.4.330.0050.00015.03
7.4.320.0000.00616.52
7.4.300.0030.00316.41
7.4.290.0000.00716.53
7.4.280.0030.00316.40
7.4.270.0060.00016.45
7.4.260.0040.00416.51
7.4.250.0080.00016.41
7.4.240.0050.00216.49
7.4.230.0030.00316.18
7.4.220.0070.02016.53
7.4.210.0100.00716.51
7.4.200.0020.00516.52
7.4.190.0000.00716.61
7.4.160.0070.01416.33
7.4.150.0120.00717.40
7.4.140.0100.01117.86
7.4.130.0090.00916.40
7.4.120.0080.01116.43
7.4.110.0070.01016.51
7.4.100.0150.00316.45
7.4.90.0080.01216.40
7.4.80.0120.00619.39
7.4.70.0110.00616.28
7.4.60.0030.01616.37
7.4.50.0030.00516.43
7.4.40.0070.01022.77
7.4.30.0050.01116.43
7.4.00.0030.01014.94
7.3.330.0060.00012.99
7.3.320.0000.00512.86
7.3.310.0030.00416.18
7.3.300.0000.00716.14
7.3.290.0100.01016.15
7.3.280.0080.01016.13
7.3.270.0070.01017.40
7.3.260.0120.00616.30
7.3.250.0100.00816.20
7.3.240.0100.01316.18
7.3.230.0120.00316.39
7.3.210.0140.00316.36
7.3.200.0120.00619.39
7.3.190.0070.01016.18
7.3.180.0130.00316.33
7.3.170.0100.00616.27
7.3.160.0090.01316.23
7.3.120.0060.00914.91
7.2.330.0060.01316.60
7.2.320.0040.01716.41
7.2.310.0130.00416.52
7.2.300.0120.00616.20
7.2.290.0100.00716.48
7.2.60.0070.00716.62
7.2.50.0590.00316.82
7.1.200.0060.00615.85
7.1.70.0040.00417.13
7.1.60.0170.00719.33
7.1.50.0070.01016.80
7.1.00.0000.08022.32
7.0.200.0090.00316.75
7.0.140.0100.07022.07
7.0.100.0100.06019.97
7.0.90.0170.04319.98
7.0.80.0030.04020.03
7.0.70.0100.04319.96
7.0.60.0000.04319.95
7.0.50.0000.05320.22
7.0.40.0100.07720.03
7.0.30.0070.04019.95
7.0.20.0030.04720.09
7.0.10.0070.03720.14
7.0.00.0000.04720.10
5.6.280.0100.06720.81
5.6.250.0200.03320.59
5.6.240.0000.05320.69
5.6.230.0070.04020.75
5.6.220.0130.03320.64
5.6.210.0070.03720.49
5.6.200.0030.06021.01
5.6.190.0100.05721.04
5.6.180.0030.04721.08
5.6.170.0070.04321.01
5.6.160.0000.04321.05
5.6.150.0100.03721.11
5.6.140.0070.04021.06
5.6.130.0100.03721.01
5.6.120.0030.03720.95
5.6.110.0030.05021.01
5.6.100.0030.03721.02
5.6.90.0000.04720.92
5.6.80.0000.03720.34
5.6.70.0070.03720.43
5.6.60.0070.03320.43
5.6.50.0000.03720.39
5.6.40.0000.04320.43
5.6.30.0100.03320.41
5.6.20.0000.04320.29
5.6.10.0000.03720.39
5.6.00.0070.03720.34
5.5.380.0030.04020.35
5.5.370.0100.03320.54
5.5.360.0070.04020.34
5.5.350.0030.04320.36
5.5.340.0070.03720.89
5.5.330.0030.04720.64
5.5.320.0130.05720.93
5.5.310.0100.04320.85
5.5.300.0030.04020.79
5.5.290.0030.04720.87
5.5.280.0100.04320.75
5.5.270.0070.04020.91
5.5.260.0070.03320.88
5.5.250.0070.03720.73
5.5.240.0130.03320.21
5.5.230.0030.04020.29
5.5.220.0030.04020.28
5.5.210.0070.03020.28
5.5.200.0170.02720.22
5.5.190.0000.03720.25
5.5.180.0000.03720.12
5.5.160.0030.04020.21
5.5.150.0030.03320.25
5.5.140.0000.05320.10
5.5.130.0030.06320.27
5.5.120.0100.07320.18
5.5.110.0030.08019.98
5.5.100.0030.07719.95
5.5.90.0070.05020.12
5.5.80.0030.08319.96
5.5.70.0070.05020.11
5.5.60.0030.03720.05
5.5.50.0030.05320.14
5.5.40.0030.04020.05
5.5.30.0070.07719.88
5.5.20.0070.05720.13
5.5.10.0030.04019.99
5.5.00.0000.04320.06
5.4.450.0030.04019.36
5.4.440.0070.03319.44
5.4.430.0030.04319.26
5.4.420.0070.03319.45
5.4.410.0030.04019.19
5.4.400.0030.04318.98
5.4.390.0070.03719.06
5.4.380.0000.03318.83
5.4.370.0070.02719.04
5.4.360.0070.02719.23
5.4.350.0000.03319.04
5.4.340.0070.02718.90
5.4.320.0000.03319.23
5.4.310.0030.03719.07
5.4.300.0100.06719.02
5.4.290.0100.06318.78
5.4.280.0030.04019.11
5.4.270.0130.06319.11
5.4.260.0130.06018.90
5.4.250.0070.04018.77
5.4.240.0070.03718.97
5.4.230.0130.06719.02
5.4.220.0070.07319.09
5.4.210.0030.03718.97
5.4.200.0000.08019.02
5.4.190.0070.03318.95
5.4.180.0130.04018.95
5.4.170.0070.06319.09
5.4.160.0030.03719.07
5.4.150.0030.04019.01
5.4.140.0030.07316.27
5.4.130.0030.06716.32
5.4.120.0070.05016.36
5.4.110.0070.03716.26
5.4.100.0070.07016.26
5.4.90.0100.04016.42
5.4.80.0070.06016.25
5.4.70.0000.07316.32
5.4.60.0130.06316.31
5.4.50.0070.07316.28
5.4.40.0030.06716.32
5.4.30.0100.04016.28
5.4.20.0230.03316.14
5.4.10.0070.07016.35
5.4.00.0070.03715.73
5.3.290.0030.03714.62
5.3.280.0070.07314.55
5.3.270.0000.05014.59
5.3.260.0100.08014.61
5.3.250.0000.07714.59
5.3.240.0070.03314.56
5.3.230.0030.05314.55
5.3.220.0100.06714.52
5.3.210.0000.08314.54
5.3.200.0100.06714.55
5.3.190.0070.07714.39
5.3.180.0070.08314.42
5.3.170.0070.08314.38
5.3.160.0130.07314.57
5.3.150.0070.07014.38
5.3.140.0100.04014.55
5.3.130.0070.06714.40
5.3.120.0070.04014.42
5.3.110.0100.06314.51
5.3.100.0030.07714.03
5.3.90.0000.04714.00
5.3.80.0030.06314.02
5.3.70.0000.04313.99
5.3.60.0030.05013.95
5.3.50.0030.03713.92
5.3.40.0070.07713.90
5.3.30.0030.03713.82
5.3.20.0000.07713.68
5.3.10.0130.05713.51
5.3.00.0000.04313.63
5.2.170.0070.05311.14
5.2.160.0070.03011.10
5.2.150.0030.06711.12
5.2.140.0200.04311.10
5.2.130.0030.06311.05
5.2.120.0000.05311.15
5.2.110.0030.06310.94
5.2.100.0000.03311.05
5.2.90.0000.03711.15
5.2.80.0070.06311.11
5.2.70.0030.04711.16
5.2.60.0100.05311.08
5.2.50.0030.03710.77
5.2.40.0030.06310.92
5.2.30.0070.05010.89
5.2.20.0070.04710.99
5.2.10.0100.02310.87
5.2.00.0070.03010.72
5.1.60.0070.04010.05
5.1.50.0000.05710.01
5.1.40.0070.02010.04
5.1.30.0030.04010.27
5.1.20.0070.04310.39
5.1.10.0170.04310.06
5.1.00.0070.03310.05
5.0.50.0030.0238.60
5.0.40.0000.0278.39
5.0.30.0000.0508.25
5.0.20.0030.0178.10
5.0.10.0000.0408.16
5.0.00.0030.0438.22
4.4.90.0000.0338.10
4.4.80.0000.0438.10
4.4.70.0030.0408.10
4.4.60.0000.0208.10
4.4.50.0070.0278.10
4.4.40.0000.0278.10
4.4.30.0070.0378.10
4.4.20.0130.0308.10
4.4.10.0000.0178.10
4.4.00.0000.0408.10
4.3.110.0000.0338.10
4.3.100.0030.0278.10
4.3.90.0070.0278.10
4.3.80.0030.0538.10
4.3.70.0000.0378.10
4.3.60.0000.0178.10
4.3.50.0030.0378.10
4.3.40.0000.0278.10
4.3.30.0030.0278.10
4.3.20.0000.0338.10
4.3.10.0000.0278.10
4.3.00.0000.0378.10

preferences:
41.01 ms | 401 KiB | 5 Q