要让多个字符串进行衔接,要用到一个(.)“点”号,比如:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop"</FONT></SPAN><SPAN>; </SPAN></SPAN><LI class=alt><SPAN>echo $name.".com"; </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN></LI></OL>
上面的输出结果就是w3pop.com
有一种PHP字符串连接的情况,当echo后面使用的是(")双引号的话可以这样来达到和上同样的效果:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop"</FONT></SPAN><SPAN>;//这句一样 </SPAN></SPAN><LI class=alt><SPAN>echo "$name.com";//双引号里的变量还是可以正常显示出来,<br>并和一般的字符串自动区分开来 </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN></LI></OL>
但如果是单引号的话,就会将里面的内容完全以字符串形式输出给浏览器:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop.com"</FONT></SPAN><SPAN>; </SPAN></SPAN><LI class=alt><SPAN>echo '$name.com'; </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN></LI></OL>
将显示$name.com
PHP字符串连接示例代码:
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
立即学习“PHP免费学习笔记(深入)”;
<OL class=dp-xml><LI class=alt><SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop"</FONT></SPAN><SPAN>; </SPAN></SPAN><LI class=alt><SPAN>echo $name.".com"; </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN></FONT></STRONG><SPAN> </SPAN><SPAN class=tag><STRONG><FONT color=#006699>/></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=alt><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop"</FONT></SPAN><SPAN>; </SPAN></SPAN><LI class=""><SPAN>echo "$name.com"; </SPAN><LI class=alt><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN><LI class=""><SPAN></SPAN><STRONG><FONT color=#006699><SPAN class=tag><</SPAN><SPAN class=tag-name>br</SPAN></FONT></STRONG><SPAN> </SPAN><SPAN class=tag><STRONG><FONT color=#006699>/></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN><LI class=alt><SPAN></SPAN><STRONG><FONT color=#006699><SPAN class=tag><?</SPAN><SPAN class=tag-name>php</SPAN></FONT></STRONG><SPAN> </SPAN></SPAN><LI class=""><SPAN>$</SPAN><SPAN class=attribute><FONT color=#ff0000>name</FONT></SPAN><SPAN> = </SPAN><SPAN class=attribute-value><FONT color=#0000ff>"w3pop.com"</FONT></SPAN><SPAN>; </SPAN></SPAN><LI class=alt><SPAN>echo '.com'; </SPAN><LI class=""><SPAN></SPAN><SPAN class=tag><STRONG><FONT color=#006699>?></FONT></STRONG></SPAN><SPAN> </SPAN></SPAN></LI></OL>
输出结果
w3pop.com
w3pop.com.com
$name.com
怎么样,大家通过上面这三段代码的演示,是否已经初步掌握了PHP字符串连接的方法了呢?
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