for/while/foreach()的不同

abstract：<？php//定义数组$x=array("one","two","three");//for 循环for($=0,$i

<？php

//定义数组

$x=array("one","two","three");

//for 循环

for($=0,$i

echo $X[i];

}

//while 循环

$i=0;

while($i

echo $X[i];

$i++;

}

//foreach 循环值，健值循环

foreach ($x as $value)

{ echo $value . "
";}

foreach ($x as$key=> $value)

{ echo $key .$value . "
";}

?>

Correcting teacher：西门大官人Correction time：2019-02-24 10:01:07
Teacher's summary：php中常用的循环就是这么几种，还有一种循环叫do{}while()循环，和while循环类似，不过不常用，了解即可

WeChat

share