如何获得字符串中最长的单词?
Eg.
$string = "Where did the big Elephant go?";
回来"Elephant"
循环遍历字符串中的单词,跟踪迄今为止最长的单词:
<?php
$string = "Where did the big Elephant go?";
$words = explode(' ', $string);
$longestWordLength = 0;
$longestWord = '';
foreach ($words as $word) {
if (strlen($word) > $longestWordLength) {
$longestWordLength = strlen($word);
$longestWord = $word;
}
}
echo $longestWord;
// Outputs: "Elephant"
?>
可以提高一点效率,但你明白了。
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