How can one handle whitespace or tabs between words when splitting a sentence in PHP?

When splitting a sentence in PHP, whitespace or tabs between words can cause issues if not handled properly. To solve this problem, you can use the `preg_split` function with a regular expression pattern that matches one or more whitespace characters. This will allow you to split the sentence into an array of words while ignoring any whitespace or tabs between them. 

$sentence = "This   is     a    sentence   with   whitespace";
$words = preg_split('/\s+/', $sentence, -1, PREG_SPLIT_NO_EMPTY);
print_r($words);

Keywords

PHP explode trim preg_split whitespace

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