%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace RemexHtml\DOM;
use RemexHtml\HTMLData;
class DOMUtils {
/**
* Replace unsupported characters with a code of the form U123456.
*
* @param string $name
* @return string
*/
public static function coerceName( $name ) {
$coercedName =
mb_encode_numericentity( mb_substr( $name, 0, 1, 'UTF-8' ),
HTMLData::$nameStartCharConvTable, 'UTF-8', true ) .
mb_encode_numericentity( mb_substr( $name, 1, null, 'UTF-8' ),
HTMLData::$nameCharConvTable, 'UTF-8', true );
$coercedName = preg_replace_callback( '/&#x([0-9A-F]*);/',
function ( $m ) {
return 'U' . str_pad( $m[1], 6, '0', STR_PAD_LEFT );
},
$coercedName );
return $coercedName;
}
/**
* Invert the encoding produced by coerceName()
*
* @param string $name
* @return string
*/
public static function uncoerceName( $name ) {
return mb_decode_numericentity(
preg_replace( '/U([0-9A-F]{6})/', '&#x\1;', $name ),
[ 0, 0x10ffff, 0, 0xffffff ],
'UTF-8' );
}
}
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