Number Of Unique Words In Half The Text

unique.php

<?php
	$num_unique_words = 900;
	// how many unique words make up half the text?
	$start = 2520;
	$total_word_count = 0;
	$word_count = 0;
	
	for ($i = 1; $i <= $num_unique_words; $i++)
	{
		$t = $start / $i;
		echo 'word ' . $i . ' used ' . $t  . ' times.' . "\n";
		$total_word_count += $t ;
	}

	for ($i = 1; $i <= $num_unique_words; $i++)
	{
		$t = $start / $i;
		echo 'word ' . $i . ' used ' . $t . ' times.' . "\n";
		$word_count += $t;
		
		if ($word_count >= $total_word_count/2)
		{
			echo 'done';
			break;
		}
	}
?>