Split Strings in Half (Word-Aware) with PHP

Question

I\'m trying to split strings in half, and it should not split in the middle of a word.

So far I came up with the following which is 99% working :

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Answer 1

function split_half($string){
$result= array();
$text = explode(' ', $string);
$count = count($text);
$string1 = '';
$string2 = '';
if($count > 1){
    if($count % 2 == 0){
        $start = $count/2;
        $end = $count;
        for($i=0; $i<$start;$i++){
            $string1 .= $text[$i]." ";
        }
        for($j=$start; $j<$end;$j++){
            $string2 .= $text[$j]." ";
        }           
    $result[] = $string1;
    $result[] = $string2;
    }
    else{
        $start = round($count/2)-1;
        $end = $count;
        for($i=0; $i<$start;$i++){
            $string1 .= $text[$i]." ";
        }
        for($j=$start; $j<$end;$j++){
            $string2 .= $text[$j]." ";
        }           
    $result[] = $string1;
    $result[] = $string2;

    }
}
else{
    $result[] = $string;
}
return $result;
}

Use this function to split string into half words..