Difference between revisions of "User:SignpostMarv Martin/is uuid comparison"

From Second Life Wiki
Jump to navigation Jump to search
(→‎no regex: correcting logic error)
Line 20: Line 20:
}
}
else if(strpos($string,'-') !== 8)
else if(strpos($string,'-') !== 8)
{
$match = false;
}
else if(strpos($string,'-',24) !== false)
{
$match = false;
}
else if(strpos($string,'-',9) !== 13)
{
$match = false;
}
else if(strpos($string,'-',13) !== 13)
{
$match = false;
}
else if(strpos($string,'-',14) !== 18)
{
$match = false;
}
else if(strpos($string,'-',18) !== 18)
{
$match = false;
}
else if(strpos($string,'-',19) !== 23)
{
$match = false;
}
else if(strpos($string,'-',23) !== 23)
{
{
$match = false;
$match = false;
}
}
else if(ctype_alnum(str_replace('-','',$string)) === false)
else if(ctype_alnum(str_replace('-','',$string)) === false)
{
$match = false;
}
else if(($translated = strtr($string,array(
'-'=>'',
'0'=>'',
'1'=>'',
'2'=>'',
'3'=>'',
'4'=>'',
'5'=>'',
'6'=>'',
'7'=>'',
'8'=>'',
'9'=>'',
'a'=>'',
'b'=>'',
'c'=>'',
'd'=>'',
'e'=>'',
'f'=>'',
))) !== false && strlen($translated) !== 0)
{
$match = false;
}
return $match;
}
</php>
== no regex or ctype ==
<php>
function is_uuid_no_regex_ctype($string)
{
$match = true;
if(strlen($string) !== 36)
{
$match = false;
}
else if(strpos($string,'-') !== 8)
{
{
$match = false;
$match = false;
Line 52: Line 119:
}
}
else if(strpos($string,'-',23) !== 23)
else if(strpos($string,'-',23) !== 23)
{
$match = false;
}
else if(($translated = strtr($string,array(
'-'=>'',
'0'=>'',
'1'=>'',
'2'=>'',
'3'=>'',
'4'=>'',
'5'=>'',
'6'=>'',
'7'=>'',
'8'=>'',
'9'=>'',
'a'=>'',
'b'=>'',
'c'=>'',
'd'=>'',
'e'=>'',
'f'=>'',
))) !== false && strlen($translated) !== 0)
{
{
$match = false;
$match = false;

Revision as of 12:12, 29 July 2008

regex

<php> function is_uuid_regex($string) { return (bool)preg_match( '/^([0-9a-f]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12})$/S' ,$string); } </php>

no regex

<php> function is_uuid_no_regex($string) { $match = true; if(strlen($string) !== 36) { $match = false; } else if(strpos($string,'-') !== 8) { $match = false; } else if(strpos($string,'-',24) !== false) { $match = false; } else if(strpos($string,'-',9) !== 13) { $match = false; } else if(strpos($string,'-',13) !== 13) { $match = false; } else if(strpos($string,'-',14) !== 18) { $match = false; } else if(strpos($string,'-',18) !== 18) { $match = false; } else if(strpos($string,'-',19) !== 23) { $match = false; } else if(strpos($string,'-',23) !== 23) { $match = false; } else if(ctype_alnum(str_replace('-',,$string)) === false) { $match = false; } else if(($translated = strtr($string,array( '-'=>, '0'=>, '1'=>, '2'=>, '3'=>, '4'=>, '5'=>, '6'=>, '7'=>, '8'=>, '9'=>, 'a'=>, 'b'=>, 'c'=>, 'd'=>, 'e'=>, 'f'=>, ))) !== false && strlen($translated) !== 0) { $match = false; } return $match; } </php>

no regex or ctype

<php> function is_uuid_no_regex_ctype($string) { $match = true; if(strlen($string) !== 36) { $match = false; } else if(strpos($string,'-') !== 8) { $match = false; } else if(strpos($string,'-',24) !== false) { $match = false; } else if(strpos($string,'-',9) !== 13) { $match = false; } else if(strpos($string,'-',13) !== 13) { $match = false; } else if(strpos($string,'-',14) !== 18) { $match = false; } else if(strpos($string,'-',18) !== 18) { $match = false; } else if(strpos($string,'-',19) !== 23) { $match = false; } else if(strpos($string,'-',23) !== 23) { $match = false; } else if(($translated = strtr($string,array( '-'=>, '0'=>, '1'=>, '2'=>, '3'=>, '4'=>, '5'=>, '6'=>, '7'=>, '8'=>, '9'=>, 'a'=>, 'b'=>, 'c'=>, 'd'=>, 'e'=>, 'f'=>, ))) !== false && strlen($translated) !== 0) { $match = false; } return $match; } </php>

Retrieved from "https://wiki.secondlife.com/w/index.php?title=User:SignpostMarv_Martin/is_uuid_comparison&oldid=81302"