3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a'; $n = 100;//mt_rand(); for ($i = 0; $i < $n; $i++) { $str++; } print $s

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)
5.4.310.0040.04612.46
5.4.300.0060.04912.46
5.4.290.0060.04012.46
5.4.280.0050.04012.36
5.4.270.0040.03912.36
5.4.260.0060.03812.36
5.4.250.0080.03612.36
5.4.240.0080.03412.36
5.4.230.0070.04112.35
5.4.220.0050.03612.35
5.4.210.0050.03712.35
5.4.200.0060.03912.35
5.4.190.0050.03712.35
5.4.180.0100.03412.35
5.4.170.0100.03412.36
5.4.160.0060.03612.36
5.4.150.0050.03712.35
5.4.140.0050.04312.04
5.4.130.0070.03712.02
5.4.120.0080.03411.98
5.4.110.0060.03911.98
5.4.100.0050.03511.98
5.4.90.0080.03711.98
5.4.80.0070.03511.98
5.4.70.0080.03311.97
5.4.60.0030.03711.97
5.4.50.0090.03111.98
5.4.40.0070.03411.96
5.4.30.0030.03711.96
5.4.20.0090.03311.95
5.4.10.0070.03311.96
5.4.00.0040.03711.46
5.3.290.0090.03912.80
5.3.280.0080.03612.71
5.3.270.0050.04012.72
5.3.260.0050.04012.72
5.3.250.0060.04112.72
5.3.240.0050.03812.71
5.3.230.0060.03812.71
5.3.220.0090.03412.68
5.3.210.0070.03812.68
5.3.200.0070.03512.68
5.3.190.0070.03512.68
5.3.180.0080.03412.68
5.3.170.0070.04112.67
5.3.160.0070.03512.68
5.3.150.0060.04012.67
5.3.140.0050.03712.66
5.3.130.0060.03912.66
5.3.120.0060.03912.65
5.3.110.0070.03712.66
5.3.100.0050.03912.12
5.3.90.0070.04312.08
5.3.80.0050.03812.08
5.3.70.0060.03812.07
5.3.60.0080.03812.06
5.3.50.0060.03512.00
5.3.40.0120.02912.00
5.3.30.0060.03811.95
5.3.20.0050.03511.73
5.3.10.0040.03611.70
5.3.00.0080.04411.69
5.2.170.0060.0309.18
5.2.160.0060.0329.19
5.2.150.0060.0329.19
5.2.140.0040.0319.18
5.2.130.0050.0289.14
5.2.120.0030.0309.14
5.2.110.0040.0299.15
5.2.100.0060.0279.14
5.2.90.0030.0309.14
5.2.80.0020.0329.14
5.2.70.0040.0319.14
5.2.60.0030.0319.09
5.2.50.0040.0349.06
5.2.40.0070.0309.03
5.2.30.0010.0329.01
5.2.20.0050.0299.00
5.2.10.0060.0278.92
5.2.00.0050.0338.79
5.1.60.0050.0238.07
5.1.50.0040.0258.07
5.1.40.0050.0238.05
5.1.30.0030.0288.40
5.1.20.0040.0278.41
5.1.10.0060.0318.14
5.1.00.0030.0278.14
5.0.50.0030.0216.62
5.0.40.0040.0196.48
5.0.30.0050.0306.29
5.0.20.0050.0236.27
5.0.10.0040.0206.24
5.0.00.0050.0306.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0164.75
4.4.60.0040.0144.76
4.4.50.0050.0164.77
4.4.40.0010.0274.71
4.4.30.0030.0184.76
4.4.20.0030.0154.84
4.4.10.0050.0134.85
4.4.00.0050.0254.76
4.3.110.0030.0214.67
4.3.100.0020.0154.66
4.3.90.0030.0134.63
4.3.80.0030.0234.59
4.3.70.0020.0174.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0050.0224.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0030.0143.21
4.3.00.0000.02015.91

preferences:
145.85 ms | 1386 KiB | 7 Q