3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a0','a1','a2'); $b = array('b0','b1','b2'); var_dump($a + $b); var_dump(array_merge($a, $b));

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)
8.3.40.0110.00418.67
8.3.30.0000.01320.21
8.3.20.0080.00020.34
8.3.10.0030.00521.00
8.3.00.0040.00422.40
8.2.170.0140.00322.96
8.2.160.0110.00422.08
8.2.150.0100.01024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00020.88
8.2.110.0030.00620.52
8.2.100.0090.00317.91
8.2.90.0030.00519.17
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0030.00518.21
8.2.30.0070.00019.41
8.2.20.0000.00717.70
8.2.10.0080.00017.52
8.2.00.0080.00017.59
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00323.92
8.1.230.0070.00417.45
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0050.00517.25
8.1.190.0070.00017.41
8.1.180.0110.00018.10
8.1.170.0090.00018.59
8.1.160.0000.00918.91
8.1.150.0000.00718.48
8.1.140.0090.00017.38
8.1.130.0030.00317.81
8.1.120.0070.00017.29
8.1.110.0030.00517.39
8.1.100.0000.00717.43
8.1.90.0030.00317.30
8.1.80.0040.00417.39
8.1.70.0050.00217.34
8.1.60.0030.00517.55
8.1.50.0020.00517.50
8.1.40.0000.00817.37
8.1.30.0030.00617.52
8.1.20.0040.00417.47
8.1.10.0000.00817.46
8.1.00.0030.00717.33
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.36
8.0.270.0000.00817.07
8.0.260.0060.00016.65
8.0.250.0040.00416.82
8.0.240.0040.00416.96
8.0.230.0000.00616.89
8.0.220.0030.00316.82
8.0.210.0030.00316.79
8.0.200.0000.00716.92
8.0.190.0050.00316.89
8.0.180.0070.00016.89
8.0.170.0070.00016.79
8.0.160.0000.00716.87
8.0.150.0000.00716.81
8.0.140.0050.00316.73
8.0.130.0050.00013.27
8.0.120.0000.00716.74
8.0.110.0040.00416.91
8.0.100.0040.00416.94
8.0.90.0000.00816.72
8.0.80.0060.01016.84
8.0.70.0040.00416.92
8.0.60.0030.00516.87
8.0.50.0000.00716.85
8.0.30.0090.01117.00
8.0.20.0100.01017.40
8.0.10.0040.00417.03
8.0.00.0100.01016.64
7.4.330.0060.00015.04
7.4.320.0000.00816.32
7.4.300.0060.00016.38
7.4.290.0030.00316.44
7.4.280.0040.00416.41
7.4.270.0000.00716.57
7.4.260.0050.00013.13
7.4.250.0040.00416.39
7.4.240.0040.00316.45
7.4.230.0000.00716.53
7.4.220.0080.00816.55
7.4.210.0100.00516.53
7.4.200.0000.00716.59
7.4.190.0030.00316.61
7.4.160.0090.00916.39
7.4.150.0120.00617.40
7.4.140.0140.00717.86
7.4.130.0030.01416.33
7.4.120.0060.01216.56
7.4.110.0030.01516.55
7.4.100.0130.00316.49
7.4.90.0120.00616.52
7.4.80.0120.00919.39
7.4.70.0080.00816.34
7.4.60.0030.01616.54
7.4.50.0060.00316.22
7.4.40.0100.00622.77
7.4.30.0060.01616.37
7.4.00.0060.00914.94
7.3.330.0050.00013.06
7.3.320.0060.00013.12
7.3.310.0000.00716.28
7.3.300.0060.00016.29
7.3.290.0000.01516.21
7.3.280.0080.00716.21
7.3.270.0100.00717.40
7.3.260.0110.00818.24
7.3.250.0050.01216.38
7.3.240.0100.01316.42
7.3.230.0170.00016.39
7.3.210.0060.01216.23
7.3.200.0140.00719.39
7.3.190.0130.00316.36
7.3.180.0070.01016.50
7.3.170.0140.00816.29
7.3.160.0100.00616.38
7.3.120.0140.00314.84
7.3.110.0100.00614.68
7.3.100.0130.00714.64
7.3.90.0100.00714.70
7.3.80.0030.01214.87
7.3.70.0100.00314.39
7.3.60.0100.00614.65
7.3.50.0140.00014.61
7.3.40.0030.01414.63
7.3.30.0060.00614.69
7.3.20.0080.00816.53
7.3.10.0040.01116.57
7.3.00.0040.00416.46
7.2.330.0120.00616.55
7.2.320.0090.01216.61
7.2.310.0090.01316.24
7.2.300.0080.00816.20
7.2.290.0040.01216.36
7.2.250.0100.00714.81
7.2.240.0040.01515.12
7.2.230.0030.01314.94
7.2.220.0030.01614.90
7.2.210.0090.00615.05
7.2.200.0140.00014.85
7.2.190.0030.00914.71
7.2.180.0130.00615.10
7.2.170.0040.01414.82
7.2.60.0080.00616.67
7.2.00.0060.00619.26
7.1.330.0120.00315.80
7.1.320.0120.00015.86
7.1.310.0100.00315.64
7.1.300.0000.01215.72
7.1.290.0030.01315.76
7.1.280.0090.00915.79
7.1.270.0030.01015.74
7.1.260.0130.00015.80
7.1.200.0070.00715.85
7.1.100.0000.01318.01
7.1.70.0000.00717.07
7.1.60.0090.01519.17
7.1.50.0030.02216.96
7.1.00.0070.06322.44
7.0.200.0080.00616.56
7.0.140.0030.07322.13
7.0.70.0070.05021.69
7.0.60.0030.08721.78
7.0.50.0070.08322.05
7.0.40.0000.08719.99
7.0.30.0070.05320.04
7.0.20.0030.07020.04
7.0.10.0070.06319.95
7.0.00.0030.09020.18
5.6.280.0100.06721.03
5.6.220.0000.04320.55
5.6.210.0130.07320.66
5.6.200.0000.07720.96
5.6.190.0030.05021.09
5.6.180.0100.08320.92
5.6.170.0030.09020.92
5.6.160.0130.07721.11
5.6.150.0070.08321.11
5.6.140.0070.07720.98
5.6.130.0100.06321.01
5.6.120.0170.07321.01
5.6.110.0100.07721.01
5.6.100.0000.07321.06
5.6.90.0030.09021.00
5.6.80.0070.07320.42
5.6.70.0000.06020.54
5.6.60.0070.07720.50
5.6.50.0030.08320.39
5.6.40.0030.08020.31
5.6.30.0070.04720.43
5.6.20.0130.07320.38
5.6.10.0070.07720.29
5.6.00.0030.07720.35
5.5.360.0070.03720.37
5.5.350.0000.06720.32
5.5.340.0130.07720.89
5.5.330.0030.05320.89
5.5.320.0000.06020.88
5.5.310.0170.07720.87
5.5.300.0100.07720.87
5.5.290.0030.06020.89
5.5.280.0030.08720.76
5.5.270.0100.04020.75
5.5.260.0030.05320.74
5.5.250.0000.08020.43
5.5.240.0100.04320.27
5.5.230.0030.07720.27
5.5.220.0030.07720.20
5.5.210.0000.08320.21
5.5.200.0070.08020.12
5.5.190.0100.05720.12
5.5.180.0070.05020.20
5.5.160.0200.06320.26
5.5.150.0000.06020.25
5.5.140.0030.08020.22
5.5.130.0070.08019.98
5.5.120.0030.05720.26
5.5.110.0100.07320.14
5.5.100.0030.08320.05
5.5.90.0030.08020.03
5.5.80.0070.07320.15
5.5.70.0100.08319.95
5.5.60.0030.07719.96
5.5.50.0070.07019.92
5.5.40.0070.07319.99
5.5.30.0070.05720.07
5.5.20.0030.05020.13
5.5.10.0030.07720.04
5.5.00.0030.05720.04
5.4.450.0030.05719.38
5.4.440.0030.07719.36
5.4.430.0130.07019.35
5.4.420.0070.04719.44
5.4.410.0000.08019.24
5.4.400.0100.06718.95
5.4.390.0030.08019.09
5.4.380.0030.07019.07
5.4.370.0070.06718.81
5.4.360.0000.06018.95
5.4.350.0100.07319.07
5.4.340.0000.05018.84
5.4.320.0030.07019.04
5.4.310.0030.04319.02
5.4.300.0100.07018.94
5.4.290.0070.05719.23
5.4.280.0070.06719.22
5.4.270.0000.08019.20
5.4.260.0100.07718.80
5.4.250.0000.07319.11
5.4.240.0070.07719.10
5.4.230.0030.05719.09
5.4.220.0030.04719.14
5.4.210.0100.07318.80
5.4.200.0000.06719.06
5.4.190.0030.07718.93
5.4.180.0070.07319.01
5.4.170.0070.07718.93
5.4.160.0070.04719.09
5.4.150.0070.03719.07
5.4.140.0030.07716.37
5.4.130.0070.07316.36
5.4.120.0070.06316.13
5.4.110.0070.07316.45
5.4.100.0070.06316.30
5.4.90.0100.05716.26
5.4.80.0100.04316.39
5.4.70.0030.04716.31
5.4.60.0030.06016.38
5.4.50.0100.06316.23
5.4.40.0070.04016.28
5.4.30.0070.07316.40
5.4.20.0030.06716.27
5.4.10.0070.05716.41
5.4.00.0000.05015.85
5.3.290.0070.08015.85
5.3.280.0000.07715.85
5.3.270.0100.06715.85
5.3.260.0000.05315.85
5.3.250.0000.04715.85
5.3.240.0100.06715.85
5.3.230.0000.07715.85
5.3.220.0030.07315.85
5.3.210.0000.08315.85
5.3.200.0000.08015.85
5.3.190.0030.07715.85
5.3.180.0000.07715.85
5.3.170.0100.07015.85
5.3.160.0030.04315.85
5.3.150.0000.04715.85
5.3.140.0030.07715.85
5.3.130.0030.04015.85
5.3.120.0070.04015.85
5.3.110.0000.05315.85
5.3.100.0030.04315.85
5.3.90.0000.05015.85
5.3.80.0030.07315.85
5.3.70.0000.05315.85
5.3.60.0030.07715.85
5.3.50.0030.06315.85
5.3.40.0100.06315.85
5.3.30.0030.07715.85
5.3.20.0030.06015.85
5.3.10.0070.05315.85
5.3.00.0030.06015.85
5.2.170.0030.04015.85
5.2.160.0030.07015.85
5.2.150.0070.06715.85
5.2.140.0030.06315.85
5.2.130.0070.05315.85
5.2.120.0030.06015.85
5.2.110.0000.04715.85
5.2.100.0030.06315.85
5.2.90.0000.05715.85
5.2.80.0030.05715.85
5.2.70.0070.05715.85
5.2.60.0030.05715.85
5.2.50.0030.06015.85
5.2.40.0100.05315.85
5.2.30.0070.05315.85
5.2.20.0000.06315.85
5.2.10.0000.05315.85
5.2.00.0030.06315.85
5.1.60.0030.05015.85
5.1.50.0070.04715.85
5.1.40.0070.03715.85
5.1.30.0030.05015.85
5.1.20.0030.03315.85
5.1.10.0030.05715.85
5.1.00.0030.03715.85
5.0.50.0030.04715.85
5.0.40.0000.03015.85
5.0.30.0070.06315.85
5.0.20.0000.04015.85
5.0.10.0030.03315.85
5.0.00.0030.06715.85
4.4.90.0000.02715.85
4.4.80.0000.02715.85
4.4.70.0000.03715.85
4.4.60.0000.03715.85
4.4.50.0030.03015.85
4.4.40.0030.05015.85
4.4.30.0000.02715.85
4.4.20.0030.02315.85
4.4.10.0030.02315.85
4.4.00.0030.04715.85
4.3.110.0000.04315.85
4.3.100.0000.03715.85
4.3.90.0030.03315.85
4.3.80.0030.05015.85
4.3.70.0000.03715.85
4.3.60.0000.03715.85
4.3.50.0100.02715.85
4.3.40.0030.04315.85
4.3.30.0030.03315.85
4.3.20.0030.03715.85
4.3.10.0030.03315.85
4.3.00.0030.03315.85

preferences:
57.68 ms | 404 KiB | 6 Q