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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
use Carbon\Carbon;
function isThisPalindrome($string){
//remove spaces, punctuation
$cleaned = strtolower(preg_replace("/[^A-zA-Z0-9]/", '', $string));
//compare to reverse
return $cleaned === strrev($cleaned);
}
$input = " ";
if(isThisPalindrome($input)){
echo "YOUR INPUT IS A PALINDROME";
}else {
echo "YOUR INPUT IS NOT A PALINDROME";
}
?>