<?php
header('Content-Type:text/html; charset=GBK');
$src = '一二三四五,上山打老虎';
echo "原始数据\"{$src}\"<br />\n";
$replaced = '欢';
echo "替换\"{$replaced}\"<br />\n";
echo "结果是:", str_replace($replaced, "", $src);
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