<?php $str = "####KELLY##### and ###ANOTHER###### not ####foo#### but: ###SHARE###MIDDLE###HASHES### ?"; echo $str . "\n"; echo preg_replace_callback( '/#{3}\K[A-Z]+(?=#{3})/', function($m) { return str_repeat('#', strlen($m[0])); }, $str );
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Value for `_results` contains invalid data `array`