PHP删除无效的字符 [英] php remove invalid chars

问题描述

使用 $ dom-> loadHTML（'<？xml version = 1.0 encoding = UTF-8？>'。$ html时，输出以下错误。 ）; 。

Warning: DOMDocument::loadHTML() [domdocument.loadhtml]: Char 0xD860 out of allowed range in Entity, line: 1 in D:\xampp\xampp\htdocs\xampp\similarity\functions.php on line 438
Warning: DOMDocument::loadHTML() [domdocument.loadhtml]: Char 0xDEE2 out of allowed range in Entity, line: 1 in D:\xampp\xampp\htdocs\xampp\similarity\functions.php on line 438
Warning: DOMDocument::loadHTML() [domdocument.loadhtml]: Invalid char in CDATA 0x3 in Entity, line: 1 in D:\xampp\xampp\htdocs\xampp\similarity\functions.php on line 438

如何使用php定位和删除那些无效字符？

How do I target and remove those "invalid" charaters using php?

Andrej

推荐答案

未经测试，但这应该可行：

not tested, but this should work:

$buffer = ob_get_clean();
$tidy = new tidy();
$myHTML = $tidy->repairString('<?xml version="1.0" encoding="UTF-8"?>' . $html);

$dom->loadHTML($myHTML);

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