Question

我有以下代码，我想用它作为脏话过滤器。

<?php 

    $replace = array( 
    'dog' => '***', 
    'apple' => '*****',
    'chevy' => '*****' 
    ); 

    $string = 'I like dog to eat an Apple with my Dog in my Chevy'; 

    echo strReplaceAssoc($replace,$string); 

    function strReplaceAssoc(array $replace, $subject) { 
       return str_ireplace(array_keys($replace), array_values($replace), $subject);    
    } 

    // Result: I like *** to eat an ***** with my *** in my *****

?>

我需要对此进行调整，以创建一个替代结果，其中突出显示坏词（包含在强标签中）而不是加星标，我还需要保留用户输入的单词的原始大小。

所以我的结果会是这样的：

I like <strong>dog</strong> to eat as <strong>Apple</strong> with my <strong>Dog</strong> in my <strong>Chevy</strong>

是否有一种简单的方法可以调整我的代码来执行此操作？

修改!!!!!

这是迄今为止我提出的最佳解决方案：

$replace = array( 
    'dog', 
    'apple',
    'chevy' 
); 

$string = 'I like dog to eat an Apple with my Dog in my Chevy Chevy chevy'; 

function filterwords($text, array $filterWords){
    $filterCount = sizeof($filterWords);
    for($i=0; $i<$filterCount; $i++){
        $text = preg_replace('/\b'.$filterWords[$i].'\b/ie',"str_repeat('*',strlen('$0'))",$text);
    }
    return $text;
}

function strReplace($subject, array $blacklist) {
    return array_reduce($blacklist, function ($r, $v) {
         return $r = preg_replace('/('.preg_quote($v, '/').')/i', '<strong>$1</strong>', $r);
    }, $subject);
}

echo filterwords($string, $replace); 
echo '<br />';
echo strReplace($string, $replace);

Answer 1

使用基于评论的新解决方案进行编辑：

function replaceWords($str, $star = true){

$replace = array(
"/(dog)/i",
"/(cat)/i"
);

if ($star){
    $with = '***';
} else {
    $with = '<strong>$1</strong>';
}

return preg_replace($replace, $with, $str);

}



echo replaceWords("I like dog and cat and duck.");
echo replaceWords("I like dog and cat and duck", false);

/* Results: I like *** and *** and duck.I like <strong>dog</strong> and <strong>cat</strong> and duck */

Answer 2

您可以将array_reduce与str_ireplace结合使用。所以代码看起来像这样：

function strReplace(array $blacklist, $subject) {
    return array_reduce($blacklist, function ($r, $v) {
        return $r = str_ireplace($v, "<strong>$v</strong>", $r);
    }, $subject);
}

$blacklist = array( 
    'dog',
    'apple',
    'chevy',
);

$string = 'I like dog to eat an Apple with my Dog in my Chevy'; 

$result = strReplace($blacklist, $string);

<强>更新

保留不良字词的

strReplace版本＆＃39;情况下：

function strReplace(array $blacklist, $subject) {
        return array_reduce($blacklist, function ($r, $v) {
                return $r = preg_replace('/('.preg_quote($v, '/').')/i', '<strong>$1</strong>', $r);
        }, $subject);
}

不区分大小写的过滤器在原始输入的情况下输出带粗体字的坏字符串

2 个答案: