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phpÖÐµÄ Àà³£Á¿ Class Constants


It is possible to define constant values on a per-class basis remaining the same and unchangeable.
Constants differ from normal variables in that you don't use the $ symbol to declare or use them. Like static members, constant values cannot be accessed from an instance of the object (using $obje ......

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header('Content-type: text/xml');
echo '<?xml version="1.0" encoding="GBK" ?>';
echo '<users>';
echo '<user>';
 echo '<name>'; echo 'СС²ËÄñ';
   echo '</name>';
   echo '<age>';
    echo '24';
   ......

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