3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'a'; $n = mt_rand(); for ($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)
5.4.310.0070.05312.47
5.4.300.0070.03812.47
5.4.290.0120.04012.47
5.4.280.0090.03912.36
5.4.270.0100.03712.36
5.4.260.0080.03812.36
5.4.250.0220.12312.36
5.4.240.0180.06112.36
5.4.230.0090.04712.36
5.4.220.0060.04112.35
5.4.210.0080.04112.36
5.4.200.0060.03812.35
5.4.190.0080.03412.35
5.4.180.0080.03412.35
5.4.170.0060.03712.36
5.4.160.0070.03712.36
5.4.150.0090.04612.35
5.4.140.0040.03812.04
5.4.130.0070.03412.03
5.4.120.0060.03611.98
5.4.110.0070.03611.99
5.4.100.0050.04211.98
5.4.90.0040.03711.98
5.4.80.0040.03911.98
5.4.70.0040.03911.98
5.4.60.0050.03411.97
5.4.50.0050.04011.97
5.4.40.0070.03411.96
5.4.30.0040.03711.96
5.4.20.0080.04911.95
5.4.10.0110.05411.96
5.4.00.0060.03611.45
5.3.290.0090.04712.80
5.3.280.0070.04012.71
5.3.270.0090.03612.72
5.3.260.0050.04012.72
5.3.250.0080.03612.71
5.3.240.0080.03512.72
5.3.230.0090.03412.71
5.3.220.0060.04112.68
5.3.210.0050.04012.68
5.3.200.0050.03612.68
5.3.190.0050.04012.67
5.3.180.0120.03012.68
5.3.170.0070.04512.67
5.3.160.0090.03612.67
5.3.150.0070.04312.67
5.3.140.0080.03612.66
5.3.130.0060.04412.66
5.3.120.0070.03712.66
5.3.110.0070.05312.66
5.3.100.0060.03712.12
5.3.90.0070.03812.09
5.3.80.0040.04112.07
5.3.70.0070.03612.08
5.3.60.0060.03912.06
5.3.50.0040.03912.00
5.3.40.0100.03312.00
5.3.30.0040.03711.95
5.3.20.0100.03711.73
5.3.10.0050.03911.70
5.3.00.0070.03711.69
5.2.170.0090.0319.18
5.2.160.0020.0359.19
5.2.150.0080.0309.19
5.2.140.0050.0419.18
5.2.130.0030.0309.14
5.2.120.0040.0289.14
5.2.110.0030.0319.15
5.2.100.0080.0249.14
5.2.90.0060.0299.14
5.2.80.0080.0429.14
5.2.70.0040.0409.14
5.2.60.0060.0399.09
5.2.50.0060.0299.06
5.2.40.0040.0299.03
5.2.30.0040.0439.02
5.2.20.0040.0309.00
5.2.10.0040.0328.93
5.2.00.0100.0288.78
5.1.60.0040.0268.07
5.1.50.0070.0308.07
5.1.40.0070.0318.04
5.1.30.0050.0288.39
5.1.20.0080.0378.41
5.1.10.0090.0308.14
5.1.00.0070.0278.14
5.0.50.0050.0246.63
5.0.40.0050.0276.48
5.0.30.0030.0326.30
5.0.20.0030.0196.26
5.0.10.0040.0196.24
5.0.00.0040.0296.23
4.4.90.0010.0174.78
4.4.80.0030.0154.75
4.4.70.0020.0164.75
4.4.60.0000.0184.75
4.4.50.0020.0174.77
4.4.40.0020.0294.71
4.4.30.0030.0204.76
4.4.20.0020.0154.84
4.4.10.0010.0234.85
4.4.00.0070.0274.76
4.3.110.0030.0444.67
4.3.100.0020.0204.66
4.3.90.0060.0434.64
4.3.80.0050.0444.58
4.3.70.0030.0154.63
4.3.60.0120.0254.63
4.3.50.0070.0274.63
4.3.40.0040.0374.54
4.3.30.0030.0183.29
4.3.20.0020.0293.27
4.3.10.0030.0193.22
4.3.00.0000.0237.13

preferences:
141.44 ms | 1394 KiB | 7 Q