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grupa hiperMEDIA.pl
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fnmatch (PHP 4 >= 4.3.0, PHP 5) fnmatch -- Match filename against a pattern Descriptionbool fnmatch ( string pattern, string string [, int flags] )
fnmatch() checks if the passed string would
match the given shell wildcard pattern.
This is especially useful for filenames, but may also be used on regular strings.
The average user may be used to shell patterns or at least in their simplest form
to '?' and '*' wildcards so using
fnmatch() instead of ereg() or
preg_match() for frontend search expression input may be
way more convenient for non-programming users.
Przykład 1.
Checking a color name against a shell wildcard pattern.
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<?php
if (fnmatch("*gr[ae]y", $color)) {
echo "some form of gray ...";
}
?>
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| Ostrzeżenie |
For now this function is not available on Windows or other non-POSIX
compliant systems.
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See also glob(),
ereg(),
preg_match()
and the Unix manpage on fnmatch(3) for flag names
(as long as they are not documented here ).
User Contributed Notessoywiz at gmail dot com
26-Jul-2005 01:07
A "fnmatch" alternative that converts the pattern, to a valid preg one and uses preg_match then. It will work on windows.
<?php
if (!function_exists('fnmatch')) {
function fnmatch($pattern, $string) {
for ($op = 0, $npattern = '', $n = 0, $l = strlen($pattern); $n < $l; $n++) {
switch ($c = $pattern[$n]) {
case '\\':
$npattern .= '\\' . @$pattern[++$n];
break;
case '.': case '+': case '^': case '$': case '(': case ')': case '{': case '}': case '=': case '!': case '<': case '>': case '|':
$npattern .= '\\' . $c;
break;
case '?': case '*':
$npattern .= '.' . $c;
break;
case '[': case ']': default:
$npattern .= $c;
if ($c == '[') {
$op++;
} else if ($c == ']') {
if ($op == 0) return false;
$op--;
}
break;
}
}
if ($op != 0) return false;
return preg_match('/' . $npattern . '/i', $string);
}
}
?>
phlipping at yahoo dot com
06-Aug-2003 12:59
you couls also try this function that I wrote before I found fnmatch:
function WildToReg($str)
{
$s = "";
for ($i = 0; $i < strlen($str); $i++)
{
$c = $str{$i};
if ($c =='?')
$s .= '.'; // any character
else if ($c == '*')
$s .= '.*'; // 0 or more any characters
else if ($c == '[' || $c == ']')
$s .= $c; // one of characters within []
else
$s .= '\\' . $c;
}
$s = '^' . $s . '$';
//trim redundant ^ or $
//eg ^.*\.txt$ matches exactly the same as \.txt$
if (substr($s,0,3) == "^.*")
$s = substr($s,3);
if (substr($s,-3,3) == ".*$")
$s = substr($s,0,-3);
return $s;
}
if (ereg(WildToReg("*.txt"), $fn))
print "$fn is a text file";
else
print "$fn is not a text file";
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