20,"wine"=>100,"mac"=>6);
asort($money);
ksort($money);
arsort($money);
krsort($money);
foreach($money as $x=>$x_value){
echo $x_value;
echo $x;
}
$age=19;
switch ($age) {
case $ageaArry[0]:
echo "you age is 19";
break;
case $ageaArry[1]:
echo "you age is 20";
break;
case $ageaArry[2]:
echo "you age is 1";
default:
echo "you age is 25";
}
sum=0
for($x=0;$x<=100;$x++){
$sum=$sum+$x;
$x++;
echo $sum;
}
/*
do{
$x=1;
$x++;
echo $x;
echo"
";
}while(true);
$x=1;
while (true){
$x++;
echo $x;
echo"
";
}
//echo $_SERVER["PHP_SELF"];
*/
?>
";
echo $x++;
echo $x++;
echo ++$x;//自增运算符，--：自减
var_dump ($x>1);//比较运算符
echo $x>1 or $x<1 ;//逻辑运算符
$x=array("name"=>"zs","sex"=>"man");
$y=array("name"=>"ls","sex"=>"woman");
#$z=$x+$y;
var_dump($x <> $y);//数组运算符
$q="hellow world";
$z=$q ?: ‘none‘;echo $z,PHP_EOL;//三元运算符
?>
habbit=$habbit;
}
function myFunctionfou(){
return $this->habbit;
}
}
$p=new myClass();
$q=null;//空
var_dump($x);
echo "
";
var_dump($y);
echo "
";
var_dump($z);
echo "
";
var_dump($w);
echo "
";
var_dump($q);
echo "
";
var_dump($p);
?>
";
function myFunctionTow($z){
echo $z;
}
myFunctionTow(18);
/*echo $x;
myFunction();
echo $x;
*/
?>
";
print "hellow world";
//这是一个注释
/*这也是一个注释
*/
echo "
";
?>
";
echo $y;
//echo $y;
}
myFunction();
echo $y;
*/
?>【php练习源码】
原文：https://www.cnblogs.com/activecode/p/9535005.html
