- array_slice: documentation ( source)
- array_shift: documentation ( source)
- str_word_count: documentation ( source)
- arsort: documentation ( source)
- strtolower: documentation ( source)
- count_chars: documentation ( source)
<?php
function getWord($file){
$contents = $file;
$words = str_word_count($contents, 1);
$topLetterCount = 0;
$topWord = '';
foreach ($words as $word) {
$charCount = count_chars(strtolower($word),1);
arsort($charCount);
$letterCount = array_shift(array_slice($charCount, 0, 1));
if ($topLetterCount < $letterCount) {
$topLetterCount = $letterCount;
$topWord = $word;
}
}
return $topWord;
}
$demofile = "Some people feel the rain, while others just get wet.";
echo getWord($demofile);