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If you are wanting to know which keyword(s) is/are found, there is one flaw in your logic - it exits the function on the first keyword found. What if there are two or more keywords that are found? Instead of returning true on the first keyword found, I'd suggest adding the found keywords to an array. Then return the array. Also, I would assume you would want to do a case insensitive search. E.g. if you have "spamword1", you would want a match on something like "SpAmWoRd1". If so, you would want to use stripos() Give a look at this: $uri = $_SERVER['REQUEST_URI']; $spam_keywords = [ 'spamword1', 'spamword2', 'spamword3' // WILL BE A LOT MORE HERE ]; function checkKeywords($uri, $keywords) { $foundKeywords = array(); //Create array to hold found keywords foreach ($keywords as $keyword) { //Iterate over list of keywords if (stripos($uri, $keyword) !== false) { //Check if keyword is in $uri $foundKeywords[] = $keyword; //Add found keyword to array } } //Return found keywords return $foundKeywords; } //Check for keywords $foundKeywords = checkKeywords($uri, $spam_keywords); //Check if results are not empty if (!empty($foundKeywords)) { //Keywords were found - display them echo "<p>The following Keywords were found:" . implode(', ', $foundKeywords) . "</p>"; } else { //No keywords found echo "keywords not found"; }

yq probably won't work since the lines are commented out, which more or less leaves you with the standard find-and-replace tactics using sed. Like sed -i '/#cluster.name: MyCluster/s/#//g' filename.yaml