3v4l.org

run code in 300+ PHP versions simultaneously
<?php public A = [1, 2, 3]; public B = A; var_dump(B); A = 1; var_dump(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)
5.4.340.0060.03812.01
5.4.320.0060.03612.50
5.4.310.0080.04412.50
5.4.300.0040.03812.50
5.4.290.0070.03512.49
5.4.280.0040.03512.39
5.4.270.0060.03512.39
5.4.260.0030.04012.39
5.4.250.0020.04012.39
5.4.240.0060.03412.39
5.4.230.0050.03812.38
5.4.220.0070.03412.38
5.4.210.0050.03712.38
5.4.200.0060.03612.38
5.4.190.0060.03812.38
5.4.180.0120.03412.38
5.4.170.0080.03412.38
5.4.160.0070.03412.38
5.4.150.0060.03512.38
5.4.140.0040.04212.07
5.4.130.0060.03412.05
5.4.120.0070.03312.01
5.4.110.0080.03212.01
5.4.100.0090.03812.01
5.4.90.0070.03612.01
5.4.80.0070.04012.01
5.4.70.0060.03512.01
5.4.60.0100.03712.01
5.4.50.0080.03812.01
5.4.40.0050.03612.00
5.4.30.0090.03211.99
5.4.20.0050.03511.99
5.4.10.0050.03411.99
5.4.00.0060.04011.48
5.3.290.0100.03612.80
5.3.280.0060.04012.71
5.3.270.0110.04312.72
5.3.260.0030.04112.72
5.3.250.0040.03912.72
5.3.240.0070.05212.72
5.3.230.0100.04212.70
5.3.220.0070.03712.68
5.3.210.0060.03712.68
5.3.200.0050.03612.68
5.3.190.0030.03912.68
5.3.180.0050.03712.67
5.3.170.0060.03612.67
5.3.160.0040.03712.67
5.3.150.0070.04212.68
5.3.140.0060.03612.66
5.3.130.0040.04012.66
5.3.120.0060.03812.66
5.3.110.0080.03612.66
5.3.100.0070.03612.12
5.3.90.0060.03512.08
5.3.80.0040.04312.08
5.3.70.0080.03412.07
5.3.60.0070.03812.06
5.3.50.0090.03312.00
5.3.40.0060.04412.00
5.3.30.0040.03811.95
5.3.20.0070.03711.73
5.3.10.0060.04911.70
5.3.00.0040.03611.68
5.2.170.0060.0319.18
5.2.160.0040.0369.18
5.2.150.0040.0309.18
5.2.140.0060.0299.18
5.2.130.0070.0349.14
5.2.120.0030.0339.14
5.2.110.0060.0299.15
5.2.100.0060.0269.14
5.2.90.0030.0309.14
5.2.80.0040.0319.14
5.2.70.0050.0299.14
5.2.60.0060.0369.09
5.2.50.0050.0309.05
5.2.40.0020.0309.04
5.2.30.0070.0299.01
5.2.20.0030.0299.01
5.2.10.0070.0338.93
5.2.00.0040.0308.78
5.1.60.0040.0278.07
5.1.50.0090.0248.07
5.1.40.0080.0258.04
5.1.30.0050.0268.39
5.1.20.0030.0278.41
5.1.10.0060.0238.14
5.1.00.0070.0268.14
5.0.50.0020.0216.63
5.0.40.0030.0196.48
5.0.30.0040.0366.29
5.0.20.0030.0236.27
5.0.10.0060.0246.24
5.0.00.0030.0326.23
4.4.90.0020.0164.78
4.4.80.0060.0164.75
4.4.70.0070.0134.75
4.4.60.0010.0174.75
4.4.50.0020.0154.77
4.4.40.0020.0274.71
4.4.30.0020.0204.76
4.4.20.0040.0174.84
4.4.10.0030.0164.84
4.4.00.0020.0284.75
4.3.110.0060.0194.67
4.3.100.0010.0164.67
4.3.90.0020.0174.64
4.3.80.0030.0274.59
4.3.70.0030.0194.63
4.3.60.0040.0184.63
4.3.50.0020.0154.63
4.3.40.0010.0254.54
4.3.30.0030.0153.28
4.3.20.0000.0263.26
4.3.10.0010.0163.21
4.3.00.0130.0278.67

preferences:
139.08 ms | 1394 KiB | 7 Q