Definition:
function valid_unicode($i) {}
Helper function to determine if a Unicode value is valid.
Parameters
- int $i: Unicode value
Return values
returns:True if the value was a valid Unicode number
Source code
function valid_unicode($i) {
return ( $i == 0x9 || $i == 0xa || $i == 0xd ||
($i >= 0x20 && $i <= 0xd7ff) ||
($i >= 0xe000 && $i <= 0xfffd) ||
($i >= 0x10000 && $i <= 0x10ffff) );
}
3335

February 12, 2011 


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