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php html过滤代码(预定义的字符转换为 HTML 实体)

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WBOYOriginal
2016-06-13 10:11:381134browse

//把一些预定义的字符转换为 HTML 实体 以及在预定义字符前加上反斜杠,包括 单引号、双引号、反斜杠、NULL,以保护数据库安全

//把一些预定义的字符转换为 html 实体 以及在预定义字符前加上反斜杠,包括 单引号、双引号、反斜杠、null,以保护数据库教程安全

function d_htmlspecialchars($string) {
if(is_array($string)) {
foreach($string as $key => $val) {
$string[$key] = d_htmlspecialchars($val);
}
} else {
$string = str_replace('&', '&', $string);
$string = str_replace('"', '"', $string);
$string = str_replace(''', ''', $string);
$string = str_replace(' $string = str_replace('>', '>', $string);
$string = preg_replace('/&(#d;)/', '&1', $string);
}
return $string;
}

//

function d_addslashes($string, $force = 0) {
if(!$globals['magic_quotes_gpc'] || $force) {
if(is_array($string)) {
foreach($string as $key => $val) $string[$key] = d_addslashes($val, $force);
}
else $string = addslashes($string);
}
return $string;
}
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