3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $str = ''; while ($val > 0) { $str = $chars[$val % $base] . $str;$val = (int)($val / $base); } return $str; } function gdr_decode($str) { $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!='; $base = strlen($chars); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chars[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array(0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 999999, 1000000, 1023410115, 4294967295, 4294967296); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if (strlen($enc)+2 > strlen($val)) { echo "\"$enc\" $val WORSE\n"; } else if (strlen($enc)+2 == strlen($val)) { echo "\"$enc\" $val EQUAL\n"; } else { echo "\"$enc\" $val\n"; } }

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)
5.4.310.0060.03812.52
5.4.300.0040.03812.52
5.4.290.0050.03812.51
5.4.280.0050.03612.41
5.4.270.0080.03612.41
5.4.260.0090.03512.41
5.4.250.0070.04012.41
5.4.240.0050.03912.41
5.4.230.0050.03912.40
5.4.220.0060.03712.40
5.4.210.0070.03512.40
5.4.200.0070.03612.40
5.4.190.0090.03812.39
5.4.180.0070.04112.40
5.4.170.0070.04212.40
5.4.160.0070.03612.40
5.4.150.0070.03412.40
5.4.140.0080.03712.09
5.4.130.0050.03812.07
5.4.120.0040.03812.03
5.4.110.0050.03512.03
5.4.100.0050.03512.03
5.4.90.0050.03712.03
5.4.80.0050.03812.03
5.4.70.0050.03612.03
5.4.60.0090.03612.03
5.4.50.0070.03412.03
5.4.40.0080.03812.01
5.4.30.0080.03512.01
5.4.20.0040.03812.01
5.4.10.0070.04012.01
5.4.00.0070.03611.50
5.3.290.0120.04912.80
5.3.280.0090.03812.70
5.3.270.0070.03812.72
5.3.260.0050.03912.72
5.3.250.0080.03512.72
5.3.240.0080.03512.72
5.3.230.0070.03612.71
5.3.220.0050.03712.68
5.3.210.0070.03812.68
5.3.200.0070.03512.68
5.3.190.0070.04512.67
5.3.180.0100.04112.67
5.3.170.0120.03812.67
5.3.160.0090.04612.67
5.3.150.0040.04112.67
5.3.140.0070.03712.66
5.3.130.0090.04112.66
5.3.120.0080.04112.66
5.3.110.0070.04212.66
5.3.100.0070.04212.13
5.3.90.0080.03512.11
5.3.80.0050.03812.10
5.3.70.0050.03712.10
5.3.60.0040.03812.08
5.3.50.0050.03812.02
5.3.40.0090.03412.02
5.3.30.0070.03511.98
5.3.20.0070.04211.76
5.3.10.0080.03311.73
5.3.00.0030.03911.72
5.2.170.0050.0409.22
5.2.160.0070.0359.22
5.2.150.0040.0399.22
5.2.140.0080.0359.21
5.2.130.0040.0419.18
5.2.120.0060.0329.18
5.2.110.0040.0319.18
5.2.100.0040.0299.18
5.2.90.0040.0319.18
5.2.80.0040.0399.17
5.2.70.0040.0329.17
5.2.60.0050.0309.13
5.2.50.0040.0369.10
5.2.40.0050.0349.08
5.2.30.0050.0319.05
5.2.20.0040.0309.04
5.2.10.0070.0308.94
5.2.00.0070.0358.81
5.1.60.0070.0238.09
5.1.50.0030.0268.09
5.1.40.0050.0278.07
5.1.30.0080.0298.42
5.1.20.0050.0278.44
5.1.10.0070.0298.16
5.1.00.0060.0248.17
5.0.50.0020.0236.65
5.0.40.0040.0236.51
5.0.30.0050.0306.31
5.0.20.0040.0206.28
5.0.10.0050.0216.26
5.0.00.0020.0366.26
4.4.90.0040.0274.78
4.4.80.0030.0194.76
4.4.70.0020.0164.75
4.4.60.0020.0154.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0030.0154.85
4.4.00.0040.0294.76
4.3.110.0020.0194.67
4.3.100.0040.0164.67
4.3.90.0050.0154.63
4.3.80.0040.0234.59
4.3.70.0040.0134.63
4.3.60.0020.0154.62
4.3.50.0030.0154.63
4.3.40.0030.0244.54
4.3.30.0040.0153.30
4.3.20.0010.0173.28
4.3.10.0030.0163.24
4.3.00.0070.02315.90

preferences:
140.39 ms | 1386 KiB | 7 Q