3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = ["item_data"=>[a,b,c]]; $c = ["item_data"=>[d,e,f]]; $d = array_merge($a,$b,$c); var_dump($d);

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)
8.3.60.0060.01316.63
8.3.50.0130.01022.76
8.3.40.0100.00718.97
8.3.30.0030.01018.96
8.3.20.0040.00420.20
8.3.10.0060.00323.66
8.3.00.0050.00319.38
8.2.180.0100.00618.39
8.2.170.0120.00922.96
8.2.160.0140.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00320.96
8.2.110.0030.00620.47
8.2.100.0070.00717.59
8.2.90.0090.00017.75
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0000.00818.04
8.2.50.0000.00818.10
8.2.40.0030.00720.48
8.2.30.0040.00418.11
8.2.20.0040.00417.79
8.2.10.0050.00218.10
8.2.00.0000.00717.76
8.1.280.0070.01025.92
8.1.270.0030.00623.82
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00623.96
8.1.230.0060.00618.97
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0060.00317.23
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0080.00021.94
8.1.150.0000.00718.92
8.1.140.0050.00217.44
8.1.130.0000.00717.81
8.1.120.0050.00217.47
8.1.110.0040.00417.48
8.1.100.0040.00417.48
8.1.90.0000.00817.50
8.1.80.0030.00317.42
8.1.70.0000.00717.45
8.1.60.0030.00517.46
8.1.50.0000.00817.39
8.1.40.0090.00017.50
8.1.30.0000.00817.60
8.1.20.0040.00417.64
8.1.10.0000.00817.57
8.1.00.0000.00817.48
8.0.300.0060.00319.81
8.0.290.0000.00716.63
8.0.280.0040.00418.48
8.0.270.0030.00317.15
8.0.260.0040.00417.30
8.0.250.0030.00317.05
8.0.240.0000.00717.02
8.0.230.0030.00316.99
8.0.220.0000.00616.95
8.0.210.0000.00716.87
8.0.200.0030.00316.95
8.0.190.0000.00717.02
8.0.180.0050.00316.94
8.0.170.0040.00417.00
8.0.160.0040.00416.88
8.0.150.0070.00016.79
8.0.140.0000.00816.94
8.0.130.0030.00313.41
8.0.120.0000.00816.86
8.0.110.0000.00716.94
8.0.100.0040.00416.77
8.0.90.0000.00716.89
8.0.80.0070.00716.98
8.0.70.0000.00716.90
8.0.60.0040.00416.99
8.0.50.0000.00716.75
8.0.30.0050.01317.13
8.0.20.0100.01017.40
8.0.10.0040.00416.89
8.0.00.0070.01016.71
7.4.330.0000.00615.00
7.4.320.0000.00616.46
7.4.300.0000.00616.63
7.4.290.0000.00616.52
7.4.280.0040.00416.40
7.4.270.0080.00016.52
7.4.260.0000.00716.55
7.4.250.0040.00416.51
7.4.240.0010.00616.55
7.4.230.0050.00316.37
7.4.220.0070.01116.44
7.4.210.0040.01616.46
7.4.200.0030.00316.69
7.4.160.0120.00816.39
7.4.150.0100.01617.40
7.4.140.0070.01017.86
7.4.130.0080.01316.54
7.4.120.0150.00416.52
7.4.110.0070.01016.56
7.4.100.0030.01516.64
7.4.90.0080.00816.57
7.4.80.0080.01219.39
7.4.70.0100.00616.40
7.4.60.0050.01116.51
7.4.50.0040.00416.63
7.4.40.0170.00716.40
7.4.30.0030.01316.31
7.4.00.0000.01614.93
7.3.330.0050.00013.01
7.3.320.0030.00313.18
7.3.310.0070.00016.35
7.3.300.0070.00016.25
7.3.290.0110.00316.28
7.3.280.0120.00616.19
7.3.270.0080.00817.40
7.3.260.0030.02216.30
7.3.250.0100.00716.30
7.3.240.0000.01716.41
7.3.230.0110.00716.40
7.3.210.0120.00616.36
7.3.200.0040.01319.39
7.3.190.0130.01016.28
7.3.180.0120.00316.25
7.3.170.0000.01716.30
7.3.160.0070.01016.46
7.2.330.0180.00616.57
7.2.320.0080.00816.43
7.2.310.0060.01216.70
7.2.300.0090.01216.60
7.2.290.0030.01716.39
7.2.60.0070.00716.85
7.2.00.0030.01419.42
7.1.200.0030.01015.70
7.1.100.0030.01217.93
7.1.70.0120.00016.89
7.1.60.0130.01019.40
7.1.50.0040.01416.65
7.1.00.0000.08022.54
7.0.200.0060.00316.75
7.0.140.0030.07322.09
7.0.60.0070.06320.00
7.0.50.0070.05717.91
7.0.40.0000.05720.24
7.0.30.0300.06720.33
7.0.20.0270.04720.12
7.0.10.0100.04020.20
7.0.00.0000.04320.13
5.6.280.0030.07321.04
5.6.210.0070.08020.60
5.6.200.0130.08018.16
5.6.190.0000.09020.67
5.6.180.3000.04320.77
5.6.170.0170.05320.41
5.6.160.0100.03720.41
5.6.150.0000.05018.21
5.6.140.0030.04718.14
5.6.130.0070.06318.21
5.6.120.0070.04021.01
5.6.110.0130.08021.11
5.6.100.0100.08320.96
5.6.90.0070.08020.97
5.6.80.0070.04020.38
5.5.350.0170.03020.44
5.5.340.0070.08318.03
5.5.330.0100.08320.15
5.5.320.0230.04320.32
5.5.310.0270.07720.41
5.5.300.0100.08017.96
5.5.290.0100.04017.95
5.5.280.0030.05020.89
5.5.270.0130.04720.76
5.5.260.0070.05020.79
5.5.250.0070.08320.54
5.5.240.3900.04020.15
5.4.450.0270.06319.54
5.4.440.0230.03319.24
5.4.430.0170.04319.25
5.4.420.0130.04319.13
5.4.410.0270.03019.24
5.4.400.0170.03719.25
5.4.390.0130.04319.09
5.4.380.0230.03018.79
5.4.370.0230.03018.79
5.4.360.0200.03318.81
5.4.350.0200.03318.94
5.4.340.0230.03319.14
5.4.320.0130.04319.13
5.4.310.0200.04018.88
5.4.300.0370.05018.90
5.4.290.0370.06018.92
5.4.280.0330.05718.77
5.4.270.0300.06719.14
5.4.260.0300.07719.08
5.4.250.0330.06719.15
5.4.240.0300.07719.23
5.4.230.0330.05718.80
5.4.220.0270.07319.21
5.4.210.0300.07719.07
5.4.200.0230.06319.09
5.4.190.0400.04319.10
5.4.180.0300.07019.07
5.4.170.0230.05019.05
5.4.160.0330.05718.91
5.4.150.0330.03719.06
5.4.140.0300.05316.45
5.4.130.0270.06316.33
5.4.120.0230.04316.17
5.4.110.0400.06716.50
5.4.100.0300.06716.39
5.4.90.0270.03716.21
5.4.80.0270.05016.19
5.4.70.0670.05016.18
5.4.60.0300.06016.18
5.4.50.0330.07016.36
5.4.40.0270.04016.45
5.4.30.0330.06716.39
5.4.20.0270.06716.40
5.4.10.0330.07016.38
5.4.00.0270.05315.76
5.3.290.0200.03714.57
5.3.280.0230.05314.68
5.3.270.0300.03714.51
5.3.260.0270.07314.70
5.3.250.0270.05014.54
5.3.240.0370.06314.45
5.3.230.0200.04014.44
5.3.220.0270.03714.56
5.3.210.0300.06314.41
5.3.200.0300.06714.53
5.3.190.0300.07314.47
5.3.180.0300.06014.52
5.3.170.0370.06014.44
5.3.160.0230.04714.48
5.3.150.0270.04014.41
5.3.140.0330.06714.46
5.3.130.0300.04014.57
5.3.120.0370.06014.60
5.3.110.0300.04714.45
5.3.100.0330.03713.99
5.3.90.0200.03713.86
5.3.80.0230.05313.96
5.3.70.0330.06013.87
5.3.60.0300.06013.96
5.3.50.0330.06313.79
5.3.40.0200.06013.89
5.3.30.0370.06013.81
5.3.20.0230.04713.59
5.3.10.0300.07013.58
5.3.00.0270.07013.43
5.2.170.0330.05012.17
5.2.160.0300.04712.17
5.2.150.0200.04712.17
5.2.140.0230.05312.17
5.2.130.0200.06312.17
5.2.120.0300.05312.17
5.2.110.0230.03712.17
5.2.100.0230.03312.17
5.2.90.0300.03712.17
5.2.80.0200.03712.17
5.2.70.0170.04012.17
5.2.60.0200.05312.17
5.2.50.0230.03012.17
5.2.40.0170.03712.17
5.2.30.0200.05012.17
5.2.20.0200.06012.17
5.2.10.0270.04012.17
5.2.00.0200.04712.17
5.1.60.0170.04312.17
5.1.50.0170.05312.17
5.1.40.0170.04012.17
5.1.30.0200.03312.17
5.1.20.0230.05012.17
5.1.10.0170.04712.17
5.1.00.0170.03012.17
5.0.50.0130.02312.17
5.0.40.0100.03012.17
5.0.30.0070.04012.17
5.0.20.0070.02312.17
5.0.10.0170.04012.17
5.0.00.0130.05312.17
4.4.90.0100.03312.17
4.4.80.0130.03012.17
4.4.70.0170.02712.17
4.4.60.0170.01712.17
4.4.50.0100.03312.17
4.4.40.0170.04712.17
4.4.30.0130.03712.17
4.4.20.0100.02012.17
4.4.10.0070.02312.17
4.4.00.0100.05012.17
4.3.110.0100.03012.17
4.3.100.0170.03012.17
4.3.90.0100.01312.17
4.3.80.0130.05012.17
4.3.70.0130.02012.17
4.3.60.0100.03312.17
4.3.50.0100.03712.17
4.3.40.0130.04012.17
4.3.30.0100.03312.17
4.3.20.0030.02312.17
4.3.10.0030.04012.17
4.3.00.0070.02012.17

preferences:
47.24 ms | 401 KiB | 5 Q