php statistics on questionnaire results, php questionnaire results statistics_PHP tutorial

<span> 1</span> <span>$rs</span> =<span>array</span>("A"=>0,"B"=>0,"C"=>0,"D"=>0,"E"=>0,"F"=>0,"G"=>0,"H"=>0,"I"=>0,"J"=>0<span>);
</span><span> 2</span> <span>$handle</span> = <span>fopen</span>('./file.txt', 'r'<span>);
</span><span> 3</span> <span>while</span>(!<span>feof</span>(<span>$handle</span><span>))
</span><span> 4</span> <span>{
</span><span> 5</span>     <span>$string</span> = <span>fgets</span>(<span>$handle</span>, 1024<span>);
</span><span> 6</span>     <span>for</span>(<span>$i</span>=0;<span>$i</span><<span>strlen</span>(<span>$string</span>);<span>$i</span>++<span>)
</span><span> 7</span> <span>    {
</span><span> 8</span>         <span>$t</span> = <span>strtoupper</span>(<span>$string</span>[<span>$i</span><span>]);
</span><span> 9</span>         <span>if</span>(<span>isset</span>(<span>$rs</span>[<span>$t</span><span>]))
</span><span>10</span>             <span>$rs</span>[<span>$t</span>] = <span>$rs</span>[<span>$t</span>]+ <span>strlen</span>(<span>$string</span>) - <span>$i</span><span>;
</span><span>11</span> <span>    }
</span><span>12</span> <span>}
</span><span>13</span> <span>fclose</span>(<span>$handle</span><span>);
</span><span>14</span> <span>arsort</span>(<span>$rs</span><span>);
</span><span>15</span> <span>var_dump</span>(<span>$rs</span>);