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)
5.4.340.0080.03812.01
5.4.320.0110.03612.50
5.4.310.0050.03912.50
5.4.300.0060.03612.50
5.4.290.0100.03412.49
5.4.280.0050.03712.39
5.4.270.0050.03912.39
5.4.260.0050.04012.39
5.4.250.0040.03912.39
5.4.240.0070.03512.39
5.4.230.0080.03612.38
5.4.220.0060.03812.38
5.4.210.0050.03812.38
5.4.200.0070.04212.38
5.4.190.0030.03912.38
5.4.180.0060.03512.38
5.4.170.0040.03812.39
5.4.160.0080.03512.38
5.4.150.0040.03912.38
5.4.140.0110.03212.07
5.4.130.0050.04112.05
5.4.120.0040.03712.02
5.4.110.0070.03512.01
5.4.100.0070.03412.01
5.4.90.0050.04712.01
5.4.80.0060.04412.02
5.4.70.0050.03512.01
5.4.60.0040.03612.01
5.4.50.0040.03612.00
5.4.40.0070.03512.00
5.4.30.0100.03111.99
5.4.20.0080.03511.99
5.4.10.0050.03411.99
5.4.00.0040.04011.48
5.3.290.0050.04012.80
5.3.280.0070.04012.70
5.3.270.0070.03712.72
5.3.260.0050.04312.72
5.3.250.0090.03612.72
5.3.240.0080.03812.71
5.3.230.0050.04212.71
5.3.220.0050.04212.68
5.3.210.0070.04212.68
5.3.200.0080.03512.68
5.3.190.0040.04012.68
5.3.180.0040.03912.67
5.3.170.0060.03712.67
5.3.160.0070.04112.68
5.3.150.0070.03512.67
5.3.140.0030.03912.66
5.3.130.0060.03912.66
5.3.120.0040.04112.66
5.3.110.0080.03712.66
5.3.100.0030.04012.12
5.3.90.0090.03912.08
5.3.80.0070.03612.08
5.3.70.0060.03612.07
5.3.60.0040.03812.06
5.3.50.0050.03712.00
5.3.40.0070.03512.00
5.3.30.0060.03711.95
5.3.20.0090.03311.72
5.3.10.0080.03111.70
5.3.00.0030.04211.69
5.2.170.0110.0359.18
5.2.160.0040.0319.19
5.2.150.0090.0369.18
5.2.140.0060.0439.18
5.2.130.0070.0339.14
5.2.120.0100.0319.14
5.2.110.0060.0289.15
5.2.100.0050.0349.14
5.2.90.0060.0289.14
5.2.80.0050.0319.14
5.2.70.0040.0339.14
5.2.60.0130.0339.09
5.2.50.0050.0409.06
5.2.40.0070.0319.04
5.2.30.0070.0359.01
5.2.20.0100.0299.00
5.2.10.0090.0328.93
5.2.00.0070.0318.79
5.1.60.0060.0288.07
5.1.50.0060.0298.06
5.1.40.0030.0288.05
5.1.30.0050.0278.40
5.1.20.0080.0238.42
5.1.10.0040.0268.14
5.1.00.0050.0278.15
5.0.50.0010.0256.63
5.0.40.0040.0216.48
5.0.30.0050.0306.29
5.0.20.0030.0236.26
5.0.10.0050.0236.24
5.0.00.0050.0296.23
4.4.90.0030.0184.77
4.4.80.0020.0204.76
4.4.70.0030.0184.75
4.4.60.0070.0124.76
4.4.50.0050.0254.77
4.4.40.0020.0264.71
4.4.30.0030.0164.76
4.4.20.0040.0164.85
4.4.10.0010.0184.85
4.4.00.0060.0234.76
4.3.110.0030.0174.67
4.3.100.0050.0194.66
4.3.90.0030.0174.63
4.3.80.0050.0244.58
4.3.70.0040.0154.63
4.3.60.0030.0194.63
4.3.50.0020.0174.63
4.3.40.0030.0284.53
4.3.30.0070.0183.29
4.3.20.0010.0233.27
4.3.10.0020.0173.21
4.3.00.0030.0277.25

preferences:
143.76 ms | 1394 KiB | 7 Q