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@ 2014-01-02T23:24:57Z

<?php

foreach ([0.1, -0.1, 1.0, 123.4, -123.4, -5.45, 5.46] as $i) {
	$b=sprintf("%.1e\n", $i);
	echo $i.' => '.(float)$b. "\n";
}

Output
Performance
VLD
References
Branches

sprintf: documentation ( source)

preferences:dark modelive preview

33.56 ms | 402 KiB | 5 Q