3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a="pavan"; $b="kumar"; for($i=0;$i<=(strlen($a));i++) { echo $a[$i]; } ?>

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)
5.4.340.0100.04012.01
5.4.320.0060.04412.49
5.4.310.0080.03712.49
5.4.300.0080.03412.49
5.4.290.0090.04412.49
5.4.280.0060.03612.39
5.4.270.0090.03712.39
5.4.260.0070.03712.39
5.4.250.0040.04012.39
5.4.240.0050.03812.39
5.4.230.0060.04012.38
5.4.220.0040.03812.38
5.4.210.0020.04012.38
5.4.200.0080.03812.38
5.4.190.0050.03812.38
5.4.180.0030.04012.38
5.4.170.0060.04212.39
5.4.160.0040.03912.38
5.4.150.0050.03912.38
5.4.140.0080.03612.07
5.4.130.0050.03512.05
5.4.120.0070.03412.01
5.4.110.0090.03712.01
5.4.100.0040.03712.01
5.4.90.0060.04012.01
5.4.80.0070.03812.01
5.4.70.0100.03412.01
5.4.60.0100.03212.01
5.4.50.0060.03912.01
5.4.40.0050.03811.99
5.4.30.0080.03911.99
5.4.20.0100.03111.99
5.4.10.0060.03711.99
5.4.00.0100.03311.48
5.3.290.0080.03912.80
5.3.280.0050.03912.71
5.3.270.0040.04512.72
5.3.260.0090.04212.72
5.3.250.0080.03612.72
5.3.240.0060.04112.71
5.3.230.0070.03712.71
5.3.220.0060.03712.68
5.3.210.0050.04012.68
5.3.200.0120.03212.68
5.3.190.0070.04212.68
5.3.180.0110.03912.67
5.3.170.0060.04612.67
5.3.160.0060.04212.68
5.3.150.0080.04712.67
5.3.140.0050.04212.66
5.3.130.0090.03612.66
5.3.120.0050.04012.66
5.3.110.0080.04012.66
5.3.100.0060.03712.11
5.3.90.0070.03712.08
5.3.80.0060.03612.07
5.3.70.0040.04112.07
5.3.60.0070.03612.07
5.3.50.0040.03812.00
5.3.40.0060.03712.00
5.3.30.0100.03311.95
5.3.20.0060.03711.72
5.3.10.0050.03711.70
5.3.00.0100.03511.68
5.2.170.0050.0319.18
5.2.160.0040.0319.19
5.2.150.0060.0389.18
5.2.140.0030.0329.18
5.2.130.0080.0339.14
5.2.120.0090.0339.14
5.2.110.0090.0269.15
5.2.100.0090.0349.14
5.2.90.0080.0299.14
5.2.80.0040.0389.14
5.2.70.0030.0329.13
5.2.60.0060.0309.09
5.2.50.0030.0319.06
5.2.40.0030.0309.04
5.2.30.0060.0319.01
5.2.20.0080.0269.00
5.2.10.0020.0318.93
5.2.00.0040.0318.79
5.1.60.0050.0238.07
5.1.50.0090.0258.06
5.1.40.0010.0318.05
5.1.30.0080.0238.39
5.1.20.0060.0288.41
5.1.10.0040.0288.14
5.1.00.0080.0228.15
5.0.50.0010.0246.63
5.0.40.0030.0216.48
5.0.30.0040.0336.30
5.0.20.0050.0206.26
5.0.10.0070.0206.24
5.0.00.0030.0356.23
4.4.90.0050.0134.77
4.4.80.0030.0214.75
4.4.70.0020.0184.75
4.4.60.0030.0184.76
4.4.50.0050.0154.77
4.4.40.0050.0264.71
4.4.30.0030.0164.76
4.4.20.0010.0184.84
4.4.10.0020.0194.85
4.4.00.0040.0254.76
4.3.110.0040.0144.67
4.3.100.0030.0164.67
4.3.90.0030.0144.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0030.0174.63
4.3.50.0030.0154.63
4.3.40.0020.0274.54
4.3.30.0010.0173.28
4.3.20.0040.0163.27
4.3.10.0010.0203.21
4.3.00.0070.0277.25

preferences:
142.21 ms | 1394 KiB | 7 Q