下面的例子展示如何用 echo 命令來顯示字符串和變量:
<?php $txt1="Learn PHP"; $txt2="W3School.com.cn"; $cars=array("Volvo","BMW","SAAB"); echo $txt1; echo "<br>"; echo "Study PHP at $txt2"; echo "My car is a {$cars[0]}"; ?>
PHP print 語句
print 也是語言結(jié)構(gòu),有無括號(hào)均可使用:print 或 print()。
顯示字符串
下面的例子展示如何用 print 命令來顯示不同的字符串(同時(shí)請(qǐng)注意字符串中能包含 HTML 標(biāo)記):
<?php print "<h2>PHP is fun!</h2>"; print "Hello world!<br>"; print "I'm about to learn PHP!"; ?>
顯示變量
下面的例子展示如何用 print 命令來顯示字符串和變量:
<?php $txt1="Learn PHP"; $txt2="W3School.com.cn"; $cars=array("Volvo","BMW","SAAB"); print $txt1; print "<br>"; print "Study PHP at $txt2"; print "My car is a {$cars[0]}"; ?>