<?php
function concat_path_components($path_components)
{
$first_component = array_shift($path_components);
if ($first_component == NULL)
return "";
return array_reduce(
$path_components,
function ($path, $path_component)
{
return $path . DIRECTORY_SEPARATOR . $path_component;
},
$first_component);
}
function path_components($path)
{
$components = array();
while ($path != "." && $path != "/")
{
array_unshift($components, basename($path));
$path = dirname($path);
}
if ($path == "/")
array_unshift($components, "/");
return $components;
}
function path_relative_to($path, $rel)
{
$path_components = path_components($path);
$copy = $path_components;
$rel_components = path_components($rel);
for($i = 0 ; $i < count($rel_components) ; ++$i)
{
if ($path_components[$i] == $rel[$i])
array_shift($copy);
else
break;
}
echo $i, count($rel_components);
if ($i == count($rel_components) -1)
return concat_path_components($copy);
else
return "";
}
var_dump(path_relative_to("/a/b/c", "/a/bc"));
- Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- 23string(3) "b/c"
- Output for 5.2.3 - 5.2.17
- Parse error: syntax error, unexpected T_FUNCTION in /in/5eDIF on line 12
Process exited with code 255. - Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
- <br />
<b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/5eDIF</b> on line <b>12</b><br />
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- <br />
<b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/5eDIF</b> on line <b>12</b><br />
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- <br />
<b>Parse error</b>: parse error in <b>/in/5eDIF</b> on line <b>12</b><br />
Process exited with code 255.
preferences:
328.42 ms | 401 KiB | 464 Q