Day_1_1.25-php数据类型与检测

<?php

$type1=true;

echo$type1,'我爱php';

echogettype($type1);

$array=[1,'张三','java','男'];

echo' ';

echo$array[0],' ';

echo$array[1],' ';

echo$array[2],' ';

echo$array[3],' ';

$array[]='php真难';

echo$array[4],' ';

$array[0]='999';

echo$array[0],' ';

echo' ';

$stu=['name'=>'刘振华','sex'=>'男','love'=>'编程','age'=>21];

//echo$stu['name'].' ',$stu['sex'].' ',$stu['love'].' ',$stu['age'];

echo'name=',$stu['name'],' ';

echo'sex=',$stu['sex'],' ';

echo'love=',$stu['love'],' ';

echo'age=',$stu['age'],' ';

classDemo

{

private$name='刘振华';

private$age=21;

publicfunctionstuInfo()

{

echo'我的名字是:',$this->name,',今年',$this->age,'岁了';

}

$obj=newDemo();

echo$obj->stuInfo();

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