正则替换有关问题 多关键字加亮

正则替换问题 多关键字加亮

PHP code

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$k=array("i","n");
$row="iphone";
$row = preg_replace("/($k[0])/i", "<font color="red"><b>\\1</b></font>", $row);
$row = preg_replace("/($k[1])/i", "<font color="red"><b>\\1</b></font>", $row);
echo $row;
//输出 nt color=red>int>phone
//怎么样才能让关键字也就是$k里面的字母变为红色的？不重复替换？

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PHP code

$k=array("i","n");
$p= join('',$k);
$row="iphone";
echo  preg_replace("/[".$p."]/i", "<font color="red"><b>\\0</b></font>", $row); <div class="clear">
                 
              
              
        
            </div>

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