Used to make several spaces into one.

clearBetweenOnText.php

<?php

function clearBetweenOnText($text)
{
    $array = explode(" ", $text);
    $ClearArray = array_filter($array, function ($value) {
        return !empty(trim($value));
    });
    $arrayValues = array_values($ClearArray);
    return implode(" ", $arrayValues);
}

$string = 'Some                   valid         and              dsad               text!';

echo clearBetweenOnText($string). "\n";