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<?php $out = ""; $arr = array(); $test = array('checkbox_1' => true); foreach( $test as $name => $element) { if(strstr($name, 'checkbox') !== false) $arr[] = str_replace('_', '', strstr($name, 'checkbox')); } $out = implode(',', $arr); echo $out;
Output for git.master, git.master_jit, rfc.property-hooks
checkbox1

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