php过滤html标签、特殊字符、转义字符

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function search_fill($content){

$html_string =  htmlspecialchars_decode($content);

$html_string =  str_replace("  ",  "",  $html_string);

$html_string =  str_replace("'",  "",  $html_string);

$html_string =  str_replace("“",  "",  $html_string);

$html_string =  str_replace("”",  "",  $html_string);

$html_string =  str_replace("‘",  "",  $html_string);

$html_string =  str_replace("’",  "",  $html_string);

$html_string =  str_replace("\"",  "",  $html_string);

$html_string =  strip_tags($html_string);

        $arr=array(

 " ",

 " ",

 " ",

 " ",

 "‌",

 "‍",

 "“",

 "”",

 """,

 "´",

 "¨",

 "insert",

 "into",

 "delete",

 "add",

 "select"

        );

$html_string =  str_replace($arr,  "",  $html_string);

 return $html_string;

    }
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标签: php
专栏:   PHP教程
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