PHP while循环不起作用 [英] PHP while loop is not working

问题描述

 <？php  
 $ dbc = mysqli_connect（'  localhost'，'  root'，' '，'  sam_telephone'）; 
 
 
 $ query =   SELECT * FROM master_name; 
 $ result = mysqli_query（$ dbc，$ query）; 
 
 $ display = mysqli_fetch_array（$ result）; 
 
  echo  $ display ['  f_name'];  //   /它显示结果很好 
 
  //  但是当我应用while循环时它不显示任何东西。 
 
 while（ $ y = mysqli_fetch_array（$ result））{
  echo  $ y ['  f_name']; 
} 
  //   $ y ['f_name']应该给我一个结果，因为它显示我在线的结果 
  10 为什么 为什么在这条线上工作我不知道
 
 
 
 ？>  

解决方案

dbc = mysqli_connect（' localhost'，' root'，' '，' sam_telephone'）;

< blockquote> query = SELECT * FROM master_name;

result = mysqli_query（

<?php
$dbc=mysqli_connect('localhost','root','','sam_telephone');


$query="SELECT * FROM master_name";
$result=  mysqli_query($dbc,$query);

$display=mysqli_fetch_array($result);

echo $display['f_name']; /// its show me the result  which is fine 

// but when i apply while loop it does not show any thing.

while($y = mysqli_fetch_array($result)){
    echo $y['f_name'];
}
// $y['f_name'] should give me a result becuase it showing me the result on line
10 why its not working on this line i dont know 



?>

解决方案

dbc=mysqli_connect('localhost','root','','sam_telephone');

query="SELECT * FROM master_name";

result= mysqli_query(

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