<span>static</span> <span>function</span> ischinese(<span>$s</span><span>){
</span><span>$allen</span> = <span>preg_match</span>("/^[^/x80-/xff]+$/", <span>$s</span>); <span>//</span><span>判断是否是英文</span>
<span>$allcn</span> = <span>preg_match</span>("/^[".<span>chr</span>(0xa1)."-".<span>chr</span>(0xff)."]+$/",<span>$s</span>); <span>//</span><span>判断是否是中文</span>
<span>if</span>(<span>$allen</span><span>){
</span><span>return</span> 'allen'<span>;
}</span><span>else</span><span>{
</span><span>if</span>(<span>$allcn</span><span>){
</span><span>return</span> 'allcn'<span>;
}</span><span>else</span><span>{
</span><span>return</span> 'encn'<span>;
}
}
}</span>
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