Calculating average word length : preg_split « String « PHP

1. PHP
2. String
3. preg_split

Calculating average word length

 
<?php
$word_count = $word_length = 0;

if ($fh = fopen('novel.txt','r')) {
  while (! feof($fh)) {
    if ($s = fgets($fh)) {
      $words = preg_split('/\s+/',$s,-1,PREG_SPLIT_NO_EMPTY);
      foreach ($words as $word) {
        $word_count++;
        $word_length += strlen($word);
      }
    }
  }
}

print sprintf("The average word length over %d words is %.02f characters.",
              $word_count,
              $word_length/$word_count);
?>
  
  

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