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run code in 200+ php & hhvm versions
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<?php $a = "post_processed_string"; $b = array("post_", "_"); $c = array("", " "); $d = ucwords(str_replace($b,$c,$a)); echo $d; ?>
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.1.10
Processed String