寒假觉得应该学点什么 ，既然决定了就去做吧
放假前就觉得php很好，那就来学一下
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<?php $test = “PHP”; $str = “I love $test”; $str1 = ‘I love $test’; echo $str; // <?php $test = “PHP”; $str = “I love $test”; $str1 = ‘I love $test’; echo $str; // ?????I love PHP echo $str1; // I love PHP echo $str1; // ?????I love $test ?>
上面展示了PHP里面单引号和双引号的区别
原文：http://www.cnblogs.com/SSYYGAM/p/5172025.html