我爱php
$score=100; $name=小王;
$x=10; $y=100; echo $x+$y
+ - * /
if for
$x=1; while($x<100){ echo $x,"<br/>"; x++ }
for($x=100;$x>0;$--){ echo $x,"<br/>" }
$x=[1,2,3,4,5];
$x=array(1,2,3,4,5)
$x=array("name"=>"小王","age",=>18);