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)
* element or in the shared string element.
*
* @param string $value Value to escape
*
* @return string
*/
public static function controlCharacterPHP2OOXML($value = '')
{
if (empty(self::$controlCharacters)) {
self::buildControlCharacters();
}
return str_replace(array_values(self::$controlCharacters), array_keys(self::$controlCharacters), $value);
}
/**
* Return a number formatted for being integrated in xml files.
*
* @param float $number
* @param int $decimals
*
* @return string
*/
public static function numberFormat($number, $decimals)
{
return number_format($number, $decimals, '.', '');
}
/**
* @param int $dec
*
* @see http://stackoverflow.com/a/7153133/2235790
*
* @author velcrow
*
* @return string
*/
public static function chr($dec)
{
if ($dec <= 0x7F) {
return chr($dec);
}
if ($dec <= 0x7FF) {
return chr(($dec >> 6) + 192) . chr(($dec & 63) + 128);
}
if ($dec <= 0xFFFF) {
return chr(($dec >> 12) + 224) . chr((($dec >> 6) & 63) + 128) . chr(($dec & 63) + 128);
}
if ($dec <= 0x1FFFFF) {
return chr(($dec >> 18) + 240) . chr((($dec >> 12) & 63) + 128) . chr((($dec >> 6) & 63) + 128) . chr(($dec & 63) + 128);
}
return '';
}
/**
* Convert from OpenXML escaped control character to PHP control character.
*
* @param string $value Value to unescape
*
* @return string
*/
public static function controlCharacterOOXML2PHP($value = '')
{
if (empty(self::$controlCharacters)) {
self::buildControlCharacters();
}
return str_replace(array_keys(self::$controlCharacters), array_values(self::$controlCharacters), $value);
}
/**
* Check if a string contains UTF-8 data.
*
* @param string $value
*
* @return bool
*/
public static function isUTF8($value = '')
{
return is_string($value) && ($value === '' || preg_match('/^./su', $value) == 1);
}
/**
* Return UTF8 encoded value.
*
* @param string $value
*
* @return string
*/
public static function toUTF8($value = '')
{
if (null !== $value && !self::isUTF8($value)) {
$value = utf8_encode($value);
}
return $value;
}
/**
* Returns unicode from UTF8 text.
*
* The function is splitted to reduce cyclomatic complexity
*
* @param string $text UTF8 text
*
* @return string Unicode text
*
* @since 0.11.0
*/
public static function toUnicode($text)
{
return self::unicodeToEntities(self::utf8ToUnicode($text));
}
/**
* Returns unicode array from UTF8 text.
*
* @param string $text UTF8 text
*
* @return array
*
* @since 0.11.0
* @see http://www.randomchaos.com/documents/?source=php_and_unicode
*/
public static function utf8ToUnicode($text)
{
$unicode = [];
$values = [];
$lookingFor = 1;
// Gets unicode for each character
for ($i = 0; $i < strlen($text); ++$i) {
$thisValue = ord($text[$i]);
if ($thisValue < 128) {
$unicode[] = $thisValue;
} else {
if (count($values) == 0) {
$lookingFor = $thisValue < 224 ? 2 : 3;
}
$values[] = $thisValue;
if (count($values) == $lookingFor) {
if ($lookingFor == 3) {
$number = (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64);
} else {
$number = (($values[0] % 32) * 64) + ($values[1] % 64);
}
$unicode[] = $number;
$values = [];
$lookingFor = 1;
}
}
}
return $unicode;
}
/**
* Returns entites from unicode array.
*
* @param array $unicode
*
* @return string
*
* @since 0.11.0
* @see http://www.randomchaos.com/documents/?source=php_and_unicode
*/
private static function unicodeToEntities($unicode)
{
$entities = '';
foreach ($unicode as $value) {
if ($value != 65279) {
$entities .= $value > 127 ? '\uc0{\u' . $value . '}' : chr($value);
}
}
return $entities;
}
/**
* Return name without underscore for < 0.10.0 variable name compatibility.
*
* @param string $value
*
* @return string
*/
public static function removeUnderscorePrefix($value)
{
if (null !== $value) {
if (substr($value, 0, 1) == '_') {
$value = substr($value, 1);
}
}
return $value;
}
}