3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = array('a' => 1, 'b' => 2, 'c'); $append = array('a' => 3, 'b' => 4); $rst = $list + $append; var_dump($rst);

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)
8.3.60.0160.00318.18
8.3.50.0040.01420.00
8.3.40.0000.01518.54
8.3.30.0080.00618.92
8.3.20.0040.00420.02
8.3.10.0040.00421.59
8.3.00.0060.00317.55
8.2.180.0040.01116.38
8.2.170.0100.01022.96
8.2.160.0030.01020.53
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0150.00026.16
8.2.120.0050.00320.79
8.2.110.0100.00722.26
8.2.100.0040.00817.91
8.2.90.0060.00319.08
8.2.80.0060.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0080.00019.89
8.2.30.0040.00418.11
8.2.20.0050.00217.73
8.2.10.0040.00417.92
8.2.00.0030.00517.65
8.1.280.0040.01125.92
8.1.270.0050.00323.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00423.78
8.1.230.0040.00720.96
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.13
8.1.190.0070.00717.00
8.1.180.0040.00418.10
8.1.170.0040.00418.43
8.1.160.0020.00521.93
8.1.150.0020.00518.86
8.1.140.0000.00917.39
8.1.130.0030.00317.80
8.1.120.0000.00717.38
8.1.110.0050.00517.30
8.1.100.0000.00717.31
8.1.90.0040.00417.38
8.1.80.0030.00317.29
8.1.70.0000.00717.41
8.1.60.0040.00417.34
8.1.50.0080.00017.46
8.1.40.0000.00717.32
8.1.30.0030.00617.45
8.1.20.0070.00017.50
8.1.10.0040.00417.46
8.1.00.0000.00817.22
8.0.300.0070.00018.77
8.0.290.0030.00517.15
8.0.280.0030.00318.33
8.0.270.0040.00417.25
8.0.260.0000.00617.17
8.0.250.0050.00316.98
8.0.240.0000.00716.98
8.0.230.0040.00416.85
8.0.220.0030.00316.77
8.0.210.0080.00016.84
8.0.200.0000.00716.93
8.0.190.0030.00616.93
8.0.180.0020.00516.92
8.0.170.0050.00316.86
8.0.160.0000.00816.87
8.0.150.0040.00416.86
8.0.140.0050.00216.66
8.0.130.0030.00313.32
8.0.120.0040.00416.85
8.0.110.0040.00416.87
8.0.100.0040.00416.75
8.0.90.0040.00416.84
8.0.80.0090.01316.91
8.0.70.0000.00716.99
8.0.60.0040.00416.86
8.0.50.0040.00416.89
8.0.30.0080.01116.88
8.0.20.0110.01117.40
8.0.10.0040.00416.80
8.0.00.0080.01116.64
7.4.330.0000.00515.03
7.4.320.0000.00716.53
7.4.300.0030.00316.42
7.4.290.0000.00816.50
7.4.280.0040.00416.57
7.4.270.0000.00716.54
7.4.260.0070.00016.55
7.4.250.0000.00716.30
7.4.240.0000.00716.42
7.4.230.0070.00016.51
7.4.220.0120.00916.41
7.4.210.0120.00616.53
7.4.200.0040.00416.63
7.4.160.0100.01016.61
7.4.150.0120.00917.40
7.4.140.0080.00817.86
7.4.130.0030.01316.32
7.4.120.0130.00316.54
7.4.110.0160.00816.43
7.4.100.0120.01316.34
7.4.90.0100.00916.24
7.4.80.0090.00919.39
7.4.70.0110.01116.28
7.4.60.0090.00916.61
7.4.50.0040.00416.40
7.4.40.0060.01616.48
7.4.30.0060.00916.32
7.4.00.0060.00914.98
7.3.330.0030.00312.92
7.3.320.0000.00612.93
7.3.310.0040.00416.10
7.3.300.0030.00316.08
7.3.290.0090.00716.18
7.3.280.0090.01016.20
7.3.270.0100.01017.40
7.3.260.0150.00316.56
7.3.250.0120.00716.32
7.3.240.0100.01016.29
7.3.230.0120.00516.39
7.3.210.0100.01016.18
7.3.200.0040.01519.39
7.3.190.0150.00416.26
7.3.180.0090.00616.09
7.3.170.0040.01116.39
7.3.160.0120.00916.23
7.2.330.0150.00316.52
7.2.320.0080.00816.55
7.2.310.0120.00616.44
7.2.300.0040.01216.46
7.2.290.0090.01116.28
7.2.60.0110.00416.66
7.2.00.0100.00019.47
7.1.200.0080.00415.73
7.1.100.0000.01517.89
7.1.70.0050.00217.20
7.1.60.0060.01319.57
7.1.50.0100.01316.93
7.1.00.0030.07722.48
7.0.200.0070.00416.91
7.0.140.0030.03322.09
7.0.60.0230.05321.75
7.0.50.0100.04317.85
7.0.40.0030.04720.21
7.0.30.0300.06320.20
7.0.20.0230.07320.09
7.0.10.0230.08020.12
7.0.00.0000.04320.18
5.6.280.0030.07321.11
5.6.210.0070.06720.46
5.6.200.0030.04318.08
5.6.190.0070.08020.43
5.6.180.0100.07720.77
5.6.170.0270.05320.49
5.6.160.0100.05020.71
5.6.150.0100.07718.08
5.6.140.0070.03718.22
5.6.130.0000.04318.15
5.6.120.0130.08021.14
5.6.110.0170.06321.02
5.6.100.0130.07021.10
5.6.90.0170.08021.11
5.6.80.0130.07320.50
5.5.350.0030.05320.31
5.5.340.0030.04017.96
5.5.330.0030.04720.08
5.5.320.0300.05020.30
5.5.310.0100.05720.28
5.5.300.0100.04317.98
5.5.290.0030.07717.98
5.5.280.0070.05720.76
5.5.270.0100.07720.85
5.5.260.0000.04320.66
5.5.250.0200.07720.57
5.5.240.0170.06320.34
5.4.450.0030.03719.14
5.4.440.0030.03719.38
5.4.430.0070.03719.44
5.4.420.0000.03719.22
5.4.410.0000.07319.33
5.4.400.0030.05019.14
5.4.390.0000.06018.79
5.4.380.0000.06718.79
5.4.370.0130.06019.22
5.4.360.0030.07319.09
5.4.350.0200.05018.92
5.4.340.0030.04318.88
5.4.320.0030.07318.81
5.4.310.0070.03718.88
5.4.300.0030.07319.09
5.4.290.0000.04319.07
5.4.280.0070.06019.05
5.4.270.0030.07318.88
5.4.260.0070.07019.08
5.4.250.0000.07319.07
5.4.240.0030.05719.24
5.4.230.0070.05019.07
5.4.220.0030.06019.25
5.4.210.0030.07319.23
5.4.200.0030.07319.24
5.4.190.0000.07018.80
5.4.180.0000.05019.24
5.4.170.0070.07319.20
5.4.160.0000.05719.02
5.4.150.0030.08019.22
5.4.140.0100.07316.45
5.4.130.0100.03716.55
5.4.120.0070.05716.24
5.4.110.0100.07016.21
5.4.100.0030.06716.48
5.4.90.0030.08316.49
5.4.80.0070.07316.37
5.4.70.0030.04316.20
5.4.60.0030.07716.36
5.4.50.0030.05316.43
5.4.40.0000.04016.31
5.4.30.0000.04716.45
5.4.20.0000.06016.38
5.4.10.0100.06316.45
5.4.00.0030.06015.73
5.3.290.0030.06714.69
5.3.280.0030.07314.45
5.3.270.0000.08314.55
5.3.260.0070.07714.64
5.3.250.0070.04014.56
5.3.240.0030.06714.69
5.3.230.0130.04014.43
5.3.220.0000.07014.50
5.3.210.0070.07714.61
5.3.200.0000.07714.55
5.3.190.0030.07314.44
5.3.180.0070.07014.46
5.3.170.0030.05314.47
5.3.160.0070.04714.51
5.3.150.0070.07014.59
5.3.140.0000.05014.39
5.3.130.0030.03714.45
5.3.120.0000.06714.53
5.3.110.0100.04714.50
5.3.100.0070.07013.87
5.3.90.0230.03713.86
5.3.80.0030.04713.96
5.3.70.0030.07713.96
5.3.60.0000.06313.85
5.3.50.0030.07313.72
5.3.40.0100.07014.05
5.3.30.0100.04013.70
5.3.20.0030.07013.60
5.3.10.0000.04713.48
5.3.00.0130.04013.54
5.2.170.0030.03712.44
5.2.160.0030.06012.44
5.2.150.0070.05312.44
5.2.140.0070.03312.44
5.2.130.0070.04312.44
5.2.120.0000.06012.44
5.2.110.0070.06012.44
5.2.100.0030.06312.44
5.2.90.0070.05012.44
5.2.80.0030.03712.44
5.2.70.0000.06012.44
5.2.60.0000.03712.44
5.2.50.0030.06012.44
5.2.40.0000.04312.44
5.2.30.0030.03312.44
5.2.20.0000.03712.44
5.2.10.0030.06312.44
5.2.00.0030.05012.44
5.1.60.0070.04312.44
5.1.50.0100.04712.44
5.1.40.0030.02712.44
5.1.30.0000.03312.44
5.1.20.0030.04012.44
5.1.10.0030.02312.44
5.1.00.0000.03712.44
5.0.50.0000.03012.44
5.0.40.0100.03712.44
5.0.30.0000.04712.44
5.0.20.0000.02012.44
5.0.10.0030.02012.44
5.0.00.0000.05312.44
4.4.90.0000.03712.44
4.4.80.0000.02012.44
4.4.70.0000.03012.44
4.4.60.0000.02712.44
4.4.50.0070.02712.44
4.4.40.0000.03712.44
4.4.30.0000.02712.44
4.4.20.0030.03312.44
4.4.10.0000.03712.44
4.4.00.0000.04712.44
4.3.110.0000.03312.44
4.3.100.0000.03312.44
4.3.90.0000.01712.44
4.3.80.0000.04712.44
4.3.70.0000.03012.44
4.3.60.0000.02012.44
4.3.50.0000.02012.44
4.3.40.0000.03712.44
4.3.30.0030.03312.44
4.3.20.0070.03312.44
4.3.10.0000.03712.44
4.3.00.0030.02012.44

preferences:
46.77 ms | 400 KiB | 5 Q