run code in 200+ php & hhvm versions
Bugs & Features
<?php echo number_format(-2222.2255558, 2, ',', '.'); echo number_format('-2222.220000058', 2, ',', '.');

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page