Just for fun: 

$s = 'YANDS';

substr( $s, 0, 1) ^= substr( $s, -1 ) ^= substr( $s, 0, 1 ) ^= substr(
+ $s, -1 );

print $s;

SANDY

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In reply to Re: Swap the characters by BrowserUk
in thread Swap the characters by sandy1028

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