Write a isPalindrome Function Write a function isPalindrome($str) that returns true if the parameter string is a palindrome (a palindrome is a word or sentence that reads the same forward and backward at the character level). You should ignore non-letter characters when determining if the string is a palindrome. Thus, isPalindrome("A man, a plan, a canal, Panama!") should return true.
Write a isPalindrome Function Write a function isPalindrome($str) that returns true if the parameter string is a palindrome (a palindrome is a word or sentence that reads the same forward and backward at the character level). You should ignore non-letter characters when determining if the string is a palindrome. Thus, isPalindrome("A man, a plan, a canal, Panama!") should return true.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write a isPalindrome Function
Write a function isPalindrome($str) that returns true if the parameter string is a palindrome (a palindrome is a word or sentence that reads the same forward and backward at the character level). You should ignore non-letter characters when determining if the string is a palindrome. Thus, isPalindrome("A man, a plan, a canal, Panama!") should return true.
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Transcribed Image Text:code.php
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