PHP: removed trailing zeros from numeric strings (code illustration)

<?php
	$nums=array('1.0', '2.300', '4', '5.9000');

	echo "Original format:\n";
	foreach($nums as $num) {
		echo "$num\n";
	}

	echo "\nTrailing zeros removed:\n";
	foreach($nums as $num) {
		echo ($num+0)."\n";
	}

Output:
Original format:
1.0
2.300
4
5.9000

Trailing zeros removed:
1
2.3
4
5.9

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