3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 1; $str = "Hello"; echo $str . $num

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)
5.4.260.0090.05112.33
5.4.250.0070.04712.33
5.4.240.0080.04212.33
5.4.230.0080.04112.32
5.4.220.0070.03512.32
5.4.210.0040.03812.32
5.4.200.0060.03812.32
5.4.190.0060.03812.31
5.4.180.0050.03812.31
5.4.170.0070.03612.32
5.4.160.0070.04112.32
5.4.150.0090.03512.31
5.4.140.0070.03812.00
5.4.130.0050.03611.98
5.4.120.0070.03811.95
5.4.110.0060.03711.95
5.4.100.0050.03611.95
5.4.90.0070.03611.94
5.4.80.0070.03711.94
5.4.70.0070.03411.94
5.4.60.0060.03911.94
5.4.50.0050.03811.94
5.4.40.0070.03911.93
5.4.30.0070.03811.93
5.4.20.0090.03611.92
5.4.10.0070.03911.93
5.4.00.0070.03511.42
5.3.280.0050.03812.71
5.3.270.0040.04212.72
5.3.260.0110.04212.72
5.3.250.0070.04512.72
5.3.240.0090.04312.72
5.3.230.0040.04112.71
5.3.220.0080.03612.68
5.3.210.0090.03812.68
5.3.200.0050.03812.68
5.3.190.0080.03612.68
5.3.180.0040.03812.67
5.3.170.0050.03912.67
5.3.160.0050.03812.67
5.3.150.0040.04112.67
5.3.140.0070.04112.66
5.3.130.0050.03912.65
5.3.120.0090.03612.66
5.3.110.0060.03812.66
5.3.100.0070.03812.12
5.3.90.0090.03812.08
5.3.80.0070.03612.07
5.3.70.0070.03612.08
5.3.60.0060.03912.06
5.3.50.0050.04012.00
5.3.40.0060.04312.00
5.3.30.0070.03511.94
5.3.20.0070.03411.70
5.3.10.0070.03511.65
5.3.00.0070.03611.64
5.2.170.0070.0309.14
5.2.160.0040.0309.14
5.2.150.0040.0339.14
5.2.140.0030.0339.14
5.2.130.0040.0309.10
5.2.120.0070.0269.10
5.2.110.0070.0359.11
5.2.100.0040.0319.10
5.2.90.0040.0299.10
5.2.80.0030.0349.10
5.2.70.0040.0309.09
5.2.60.0050.0299.05
5.2.50.0040.0319.02
5.2.40.0070.0318.99
5.2.30.0080.0308.97
5.2.20.0040.0328.96
5.2.10.0040.0318.88
5.2.00.0080.0338.75
5.1.60.0060.0318.03
5.1.50.0030.0278.03
5.1.40.0040.0268.02
5.1.30.0050.0278.36
5.1.20.0030.0298.39
5.1.10.0040.0298.12
5.1.00.0060.0278.11
5.0.50.0040.0216.59
5.0.40.0040.0236.45
5.0.30.0040.0326.26
5.0.20.0050.0186.23
5.0.10.0020.0216.21
5.0.00.0030.0316.20
4.4.90.0040.0154.78
4.4.80.0040.0184.75
4.4.70.0050.0154.75
4.4.60.0020.0184.76
4.4.50.0040.0174.77
4.4.40.0040.0294.71
4.4.30.0030.0154.76
4.4.20.0030.0154.84
4.4.10.0040.0134.85
4.4.00.0040.0284.76
4.3.110.0030.0174.67
4.3.100.0040.0154.66
4.3.90.0040.0184.63
4.3.80.0040.0254.58
4.3.70.0040.0134.63
4.3.60.0040.0134.63
4.3.50.0030.0174.63
4.3.40.0030.0244.54
4.3.30.0010.0183.28
4.3.20.0020.0173.26
4.3.10.0020.0163.22
4.3.00.0030.0237.50

preferences:
133.84 ms | 1394 KiB | 7 Q