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<?php | |
class Palindrome | |
{ | |
public static function isPalindrome($word) | |
{ | |
$temp = ''; | |
$word = lcfirst($word); | |
$length = strlen($word); | |
for ($i = $length; $i >= 0; --$i) { | |
@$temp .= $word[$i]; | |
} | |
return ($word === $temp); | |
} | |
} |
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Here's the refactor with strrev:
`<?php
class Palindrome
{
public static function isPalindrome($word)
{
return (strtolower($word) === strtolower(strrev($word)));
}
}
echo Palindrome::isPalindrome('exe');
echo Palindrome::isPalindrome('Ini');`