3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } $vals = array( 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 250000, 500000, 750000, 999999, 1000000, 4294967295, 4294967296 ); echo sprintf("%10s %9s %5s %5s\n", 'num', 'str', 'day' 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { $days = sprintf('%01.1f', $val/24.0); echo sprintf("%10d %9s %5s %5d\n", $dec, "\"$enc\"", $days, strlen($enc)+2-strlen($val)); } }

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)
5.4.310.0050.03812.52
5.4.300.0040.04012.52
5.4.290.0050.04012.52
5.4.280.0080.03512.42
5.4.270.0060.03612.41
5.4.260.0050.03812.42
5.4.250.0050.04012.41
5.4.240.0080.03412.42
5.4.230.0050.03912.41
5.4.220.0070.03612.41
5.4.210.0060.03612.41
5.4.200.0030.04012.41
5.4.190.0050.04312.40
5.4.180.0060.03512.40
5.4.170.0110.03112.41
5.4.160.0030.04112.41
5.4.150.0080.03512.40
5.4.140.0080.03612.09
5.4.130.0050.03712.07
5.4.120.0050.03712.04
5.4.110.0030.03912.03
5.4.100.0060.04112.04
5.4.90.0040.05312.04
5.4.80.0060.03612.04
5.4.70.0050.03612.03
5.4.60.0060.03412.03
5.4.50.0090.03212.03
5.4.40.0050.03412.02
5.4.30.0040.03612.01
5.4.20.0050.03612.01
5.4.10.0030.03712.02
5.4.00.0040.03711.51
5.3.290.0080.03712.80
5.3.280.0090.03412.71
5.3.270.0080.03712.72
5.3.260.0090.03612.72
5.3.250.0060.03612.71
5.3.240.0060.03712.72
5.3.230.0050.03812.70
5.3.220.0080.05012.68
5.3.210.0080.04012.68
5.3.200.0060.03612.68
5.3.190.0040.04012.67
5.3.180.0090.03412.67
5.3.170.0050.03812.67
5.3.160.0020.04012.67
5.3.150.0090.03412.67
5.3.140.0060.03612.66
5.3.130.0070.03812.66
5.3.120.0030.04312.66
5.3.110.0060.03912.65
5.3.100.0060.03712.13
5.3.90.0070.03512.11
5.3.80.0040.03812.10
5.3.70.0060.03612.10
5.3.60.0030.03912.09
5.3.50.0090.03212.03
5.3.40.0100.03212.04
5.3.30.0050.03611.99
5.3.20.0040.03811.78
5.3.10.0070.03311.74
5.3.00.0070.03411.72
5.2.170.0030.0359.23
5.2.160.0080.0259.22
5.2.150.0030.0349.23
5.2.140.0050.0299.22
5.2.130.0070.0269.19
5.2.120.0020.0309.19
5.2.110.0020.0319.19
5.2.100.0040.0339.19
5.2.90.0050.0319.19
5.2.80.0060.0289.19
5.2.70.0050.0299.19
5.2.60.0050.0309.14
5.2.50.0060.0309.11
5.2.40.0050.0299.09
5.2.30.0060.0309.05
5.2.20.0070.0349.05
5.2.10.0030.0298.96
5.2.00.0020.0318.82
5.1.60.0030.0258.11
5.1.50.0060.0228.09
5.1.40.0060.0228.08
5.1.30.0060.0258.43
5.1.20.0010.0308.45
5.1.10.0070.0238.18
5.1.00.0040.0258.17
5.0.50.0060.0186.66
5.0.40.0060.0176.51
5.0.30.0040.0316.33
5.0.20.0020.0216.30
5.0.10.0030.0206.27
5.0.00.0020.0316.26
4.4.90.0010.0164.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0020.0164.76
4.4.50.0030.0154.77
4.4.40.0000.0274.70
4.4.30.0030.0154.76
4.4.20.0040.0144.84
4.4.10.0020.0164.85
4.4.00.0030.0274.76
4.3.110.0030.0174.67
4.3.100.0020.0164.67
4.3.90.0030.0144.64
4.3.80.0020.0254.58
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0244.54
4.3.30.0020.0163.32
4.3.20.0030.0153.29
4.3.10.0020.0183.25
4.3.00.0000.02015.90

preferences:
135.77 ms | 1394 KiB | 7 Q