/**
* Split a string into an array of individual characters
* The function will look at $this->nativeCharset and if that is set, the input string is expected to be UTF-8 encoded, possibly with entities in it. Otherwise the string is supposed to be a single-byte charset which is just splitted by a for-loop.
*
* @param string The text string to split
* @param boolean Return Unicode numbers instead of chars.
* @return array Numerical array with a char as each value.
*/
function singleChars($theText, $returnUnicodeNumber = FALSE)
{
if ($this->nativeCharset) {
return $this->csConvObj->utf8_to_numberarray($theText, 1, $returnUnicodeNumber ? 0 : 1);
// Get an array of separated UTF-8 chars
} else {
$output = array();
$c = strlen($theText);
for ($a = 0; $a < $c; $a++) {
$output[] = substr($theText, $a, 1);
}
return $output;
}
}
/**
* Converts the input string to a JavaScript function returning the same string, but charset-safe.
* Used for confirm and alert boxes where we must make sure that any string content
* does not break the script AND want to make sure the charset is preserved.
* Originally I used the JS function unescape() in combination with PHP function
* rawurlencode() in order to pass strings in a safe way. This could still be done
* for iso-8859-1 charsets but now I have applied the same method here for all charsets.
*
* @param string Input string, encoded with $this->charSet
* @return string Output string, a JavaScript function: "String.fromCharCode(......)"
* @access public
*/
public function JScharCode($str)
{
// Convert string to UTF-8:
if ($this->charSet != 'utf-8') {
$str = $this->csConvObj->utf8_encode($str, $this->charSet);
}
// Convert the UTF-8 string into a array of char numbers:
$nArr = $this->csConvObj->utf8_to_numberarray($str);
return 'String.fromCharCode(' . implode(',', $nArr) . ')';
}
