颠倒anagram求解器以显示最长的单词第一个

Question

我有一个在我的网站之一，搜索txt文件中的单词并返回结果的anagram求解器。它会先返回2个字母的结果，然后当您向下滚动到12个字母的单词时。我喜欢使用文本文件作为我的数据库，因为它很快返回结果。

我想颠倒结果的顺序，以便首先显示12个字母的单词，然后向下滚动到2个字母的单词。这里是我的代码，我将解释我迄今为止所做的更改会产生错误而不是我想要的结果。我很难理解它。

我会列出我的代码以及一个链接，下载txt文件，如果你需要它是一个单词列表。

链接文本文件http://guildfit.com/combined.txt

<? 
//Code Here// 
$l = 'apple'; 
if(!empty($l)) { ?> 
<table cellpadding="5" cellspacing="0" border="0" width="800" style="text-align:left"> 
<tr> 
    <td style="text-align:center; font-weight:bold; width:100%" colspan="20">Click on words to get definitions</td> 
</tr> 
<? 
$time_start = microtime(true); 
$l = $l; 
$l = trim($l); 
$l = strtolower($l); 
$l = str_replace(' ', '_', $l); 
$l = preg_replace('/[^\w]/', '', $l); 
$len = strlen($l); 

$a = array('a' => 1, 'b' => 1, 'c' => 1, 'd' => 1, 'e' => 1, 'f' => 1, 'g' => 1, 'h' => 1, 'i' => 1, 'j' => 1, 'k' => 1, 'l' => 1, 'm' => 1, 'n' => 1, 'o' => 1, 'p' => 1, 'q' => 1, 'r' => 1, 's' => 1, 't' => 1, 'u' => 1, 'v' => 1, 'w' => 1, 'x' => 1, 'y' => 1, 'z' => 1); 

function contains($word) { 
    $wlen = strlen($word); 
    if($wlen < 2 || $wlen > 12) return FALSE; 

    //for($i = $wlen; $i > 1; $i--) { 
    for($i = 0; $i < $wlen; $i++) { 
     $w[$i] = $word[$i]; 
    } 

    $b = $GLOBALS['b']; 
    foreach($b as $n => $c) { 
     foreach($w as $k => $v) { 
      if($v == $c) { 
       unset($w[$k]); 
       unset($b[$n]); 
       break; 
      } 
     } 
    } 
    //echo "count: ". count($w) ."\n"; 
    if(count($w) > 0) return FALSE; 
    return TRUE; 
} 


//for($i = $wlen; $i > 1; $i--) { 
for($i = 0; $i < $len; $i++) { 
    $b[$i] = $l[$i]; 
    unset($a[$l[$i]]); 
} 

$e = 'cat combined.txt'; 

while(list($k) = each($a)) { 
    if(!$e) { 
     $e = "grep -v $k combined.txt"; 
    } else { 
     $e .= ' | grep -v '. $k; 
    } 
} 

exec($e, $o); 

settype($w, 'array'); 
foreach($o as $v) { 
    if(contains($v)) { 
     $w[] = $v; 
    } 
} 

function mycmp($a, $b) { 
    $ca = strlen($a); 
    $cb = strlen($b); 
    if($ca == $cb) return 0; 
    if($ca > $cb) return 1; 
    return -1; 
} 
usort($w, 'mycmp'); 
$wc = 0; 
foreach($w as $v) { 
    $c = strlen($v); 
    if($wc != $c) { 
     echo ''; 
     echo "<tr><td style='color:#FF0000'><h2>Words anagram from <em>$l</em></h2></td><td style='color:#FF0000'><h2 style='text-align:center'>Scrabble Points</h2></td><td style='color:#FF0000'><h2 style='text-align:center'>Words With Friends Points</h2></td></tr>"; 
     echo "<tr><td colspan=2><h2>$c letter words</h2></td></tr>";  
    } 
    $wc = $c; 
    $getvalues = str_split($v); 
    $thisletter1 == 0; 
    $thisletter1wwf == 0; 
    // Scrabble Points 
    foreach($getvalues as $letter) { 
     if ($letter == 'a' || $letter == 'e' || $letter == 'i' || $letter == 'l' || $letter == 'n' || $letter == 'o' || $letter == 'r' || $letter == 's' || $letter == 't' || $letter == 'u') { 
      $thisletter = 1; 
     } elseif ($letter == 'd' || $letter == 'g') { 
      $thisletter = 2; 
     } elseif ($letter == 'b' || $letter == 'c' || $letter == 'm' || $letter == 'p') { 
      $thisletter = 3; 
     } elseif ($letter == 'f' || $letter == 'h' || $letter == 'v' || $letter == 'w' || $letter == 'y') { 
      $thisletter = 4; 
     } elseif ($letter == 'k') { 
      $thisletter = 5; 
     } elseif ($letter == 'j' || $letter == 'x') { 
      $thisletter = 8; 
     } elseif ($letter == 'q' || $letter == 'z') { 
      $thisletter = 10; 
     } 
     $thisletter1 = $thisletter1+$thisletter; 
    } 
    // WWF Points 
    foreach($getvalues as $letterwwf) { 
     if ($letterwwf == 'a' || $letterwwf == 'e' || $letterwwf == 'i' || $letterwwf == 'o' || $letterwwf == 'r' || $letterwwf == 's' || $letterwwf == 't') { 
      $thisletterwwf = 1; 
     } elseif ($letterwwf == 'd' || $letterwwf == 'l' || $letterwwf == 'n' || $letterwwf == 'u') { 
      $thisletterwwf = 2; 
     } elseif ($letterwwf == 'g' || $letterwwf == 'h' || $letterwwf == 'y') { 
      $thisletterwwf = 3; 
     } elseif ($letterwwf == 'b' || $letterwwf == 'c' || $letterwwf == 'f' || $letterwwf == 'm' || $letterwwf == 'p' || $letterwwf == 'w') { 
      $thisletterwwf = 4; 
     } elseif ($letterwwf == 'k' || $letterwwf == 'v') { 
      $thisletterwwf = 5; 
     } elseif ($letterwwf == 'x') { 
      $thisletterwwf = 8; 
     } elseif ($letterwwf == 'j' || $letterwwf == 'q' || $letterwwf == 'z') { 
      $thisletterwwf = 10; 
     } 
     $thisletter1wwf = $thisletter1wwf+$thisletterwwf; 
    } 

    echo ""; 
    echo ''; 
    $thisletter1 = 0; 
    $thisletter1wwf = 0; 
} 
$time_end = microtime(true); 
$time = round($time_end - $time_start, 5); 
echo "<tr><td style='text-align:center' colspan='20'>Found <strong>". count($w) ."</strong> words in <strong>$time</strong> seconds</td></tr></table>"; 
} 
// End Code Here// 
?> 

我已经尝试只是想扭转“for”循环，这里是当前工作的循环。请注意，有2个地方存在循环。

“for”循环，从2工作正常，但显示结果目前 - 12

for($i = 0; $i < $wlen; $i++) { 

，我试图将其更改为这个尝试，并从12颠倒顺序 - 2

for($i = $wlen; $i > 1; $i--) { 

如果您发现$ wlen在此处声明为字符串长度，$ word是某人从表单字段输入的单词。

$wlen = strlen($word); 

当我改变了“for”循环，我得到第29行是

foreach($b as $n => $c) { 

林困惑这个错误，因为$ c未至此之前的任何地方申报错误，但脚本如果您使用第一个“for”循环而不是第二个循环，则工作正常。

任何想法？

Answer 1

如果您更改用于排序$w（字符串数组）的比较函数，则应该颠倒您的排序。

function mycmp($a, $b) { 
    $ca = strlen($a); 
    $cb = strlen($b); 
    if($ca == $cb) return 0; 
    if($ca > $cb) return 1; 
    return -1; 
} 

将其更改为

function mycmp($a, $b) { 
    $ca = strlen($a); 
    $cb = strlen($b); 
    if($ca == $cb) return 0; 
    if($ca > $cb) return -1; 
    return 1; 
} 

看看会发生什么。

Answer 2

继Patashu的回答，比较功能可以更简单（更容易看到反转时，所发生的事情）：

// Smallest to largest: 
function stringLengthCompare($a, $b) { 
    return strlen($a) - strlen($b) 
} 

// Largest to smallest: 
function stringLengthCompare($a, $b) { 
    return strlen($b) - strlen($a) 
}