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<?php header("Content-type:text/html;charset=‘utf8‘"); error_reporting(E_ALL); $sTemp = ‘Hello World!<br>‘; echo "直接打印输出:".$sTemp; echo "在单引号里打印输出:".‘$sTemp‘; // 单引号不编译 echo "<br>"; echo "在双引号里打印输出:"."$sTemp"; // 双引号编译
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原文地址:http://www.cnblogs.com/myall/p/4781848.html