PHP iterate through directories and save

递归方式：

<code><span><span>function</span><span>getfiles</span><span>(<span>$path</span>,<span>$arr</span> = array<span>()</span>)</span>{</span><span>foreach</span>(scandir(<span>$path</span>) <span>as</span><span>$afile</span>){                           
        <span>if</span>(<span>$afile</span>==<span>'.'</span>||<span>$afile</span>==<span>'..'</span>) <span>continue</span>; 
        <span>if</span>(is_dir(<span>$path</span>.<span>'/'</span>.<span>$afile</span>)) {                       
            <span>$tmp</span> = getfiles(<span>$path</span>.<span>'/'</span>.<span>$afile</span>,<span>$arr</span>);
            <span>$arr</span> += <span>$tmp</span>;
        } <span>else</span> {
            <span>$key</span> = substr(<span>$afile</span>,strlen(<span>'hotdict_json_old_'</span>),<span>6</span>);
            <span>if</span>(<span>empty</span>(<span>$arr</span>[<span>$key</span>])){
                <span>$arr</span>[<span>$key</span>][] = <span>$afile</span>;
            }<span>else</span>{  
                array_push(<span>$arr</span>,<span>$afile</span>);
            }
        }
    }       
    <span>return</span><span>$arr</span>;
} </code>

循环方式：

<code><span><span>function</span><span>scanfiles</span><span>(<span>$dir</span>)</span> {</span><span>if</span> (! is_dir ( <span>$dir</span> ))
        <span>return</span><span>array</span>();
    <span>$dir</span> = rtrim(str_replace(<span>'\\'</span>,<span>'/'</span>,<span>$dir</span>),<span>'/'</span>).<span>'/'</span>;
    <span>$dirs</span> = <span>array</span>(<span>$dir</span>);
    <span>$rt</span> = <span>array</span>();
    <span>do</span> {
        <span>$dir</span> = array_pop(<span>$dirs</span>);
        <span>$tmp</span> = scandir(<span>$dir</span>);
        <span>foreach</span> ( <span>$tmp</span><span>as</span><span>$f</span> ) {
            <span>if</span> (<span>$f</span> == <span>'.'</span> || <span>$f</span> == <span>'..'</span>)
                <span>continue</span>;
            <span>$path</span> = <span>$dir</span>.<span>$f</span>;
            <span>if</span> (is_dir(<span>$path</span>)){
                array_push(<span>$dirs</span>,<span>$path</span>.<span>'/'</span>);
                <span>$rt</span>[<span>$f</span>] = <span>array</span>();
            }<span>else</span><span>if</span>(is_file(<span>$path</span>)){ 
                <span>if</span>(!strstr(<span>$f</span>,<span>'alpha'</span>)){
                    <span>if</span>(strstr(<span>$f</span>,<span>'all'</span>)){
                        <span>$key</span> = substr(<span>$f</span>,strlen(<span>'hotdict_all_json_old_'</span>),<span>6</span>);
                    }<span>else</span>{
                        <span>$key</span> = substr(<span>$f</span>,strlen(<span>'hotdict_json_old_'</span>),<span>6</span>);
                    }
                    array_push(<span>$rt</span>[<span>$key</span>],<span>$f</span>);
                }
            }
        }
    } <span>while</span>(<span>$dirs</span>); 
    <span>return</span><span>$rt</span>;
}</code>

以上代码有些逻辑是为了解决实际问题，请忽略，看懂代码即可！

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以上就介绍了PHP遍历目录并保存，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。