PHP Dynamic Web Development tips Sharing _php Tutorials

Many programmers are using the 1. Naming

1. < input
2. type = ' checkbox '
3. name = ' checkbox[] '
4. value = $dwmyrow [Banzhu]
5. />

2. Use

When the plan is part of a SQL instruction: if the field that participates in the control is numeric, the

 
  
  

  
   
   

  
   
   
{ 
  
   
   
$ Expr  Join(",", $_post[' checkbox '); 
  
   
   
$ SQL
field in ($expr) "; 
  
   
   
} 
 
  
  

If PHP Dynamic Web development says that the field participating in the control is numeric, then

 
  
  

  
   
   

  
   
   
{ 
  
   
   
$ Expr  "'". Join ("', '", $_post
[' checkbox ']). "."; 
  
   
   
$ SQL
where field in ($expr) "; 
  
   
   
} 
 
  
  

PHP determines whether a form form is submitted

 
  
  

  
   
   
$ Action = $HTTP _post_vars["Button1"]; 
  
   
   
if ($action= = "Commit" )
  
   
   
{ 
  
   
   
Perform form actions 
  
   
   
} 
  
   
   
Else 
  
   
   
{ 
  
   
   
Read default values 
  
   
   
} 
 
  
  

PHP gets string length in PHP Dynamic Web development

 
  
  

  
   
   
Strlen ($myrow [1]) 
 
  
  

PHP URL Steering

 
  
  

  
   
   
Header ("Location:".)
$_server["Http_referer"]); 
 
  
  

Hyper-Global objects in PHP Dynamic Web development

 
  
  

  
   
   
<? PHP
  
   
   
$ a  1; 
  
   
   
$ b  2; 
  
   
   
function Sum () 
  
   
   
{ 
  
   
   

$GLOBALS ["a"] + $GLOBALS ["B"]; 
  
   
   
} 
  
   
   
Sum (); 
  
   
   
Echo $b; 
  
   
   
?>
 
  
  

PHP form Values

If method= "get" uses $_get["test" instead of $test
If method= "POST" uses $_post["test" instead of $test

PHP Dynamic Web site development to obtain the current IP

 
  
  

  
   
   
 
  
   
   
= $HTTP _server_vars["REMOTE_ADDR"]
  
   
   
?>
 
  
  

PHP Gets the current time

 
  
  

  
   
   
 Php
  
   
   
echo Date ("y-m-d g:i:s"); 
  
   
   
?>
  
   
   
Date ("Y year M month D Day") 
  
   
   
Date ("Y-n-j") 
 
  
  

The above is the PHP Dynamic Web site development of specific techniques to explain.

http://www.bkjia.com/PHPjc/446290.html www.bkjia.com true http://www.bkjia.com/PHPjc/446290.html techarticle Many programmers are using 1, name input type = ' checkbox ' name = ' checkbox[] ' value = $dwmyrow [Banzhu]/2, use when planning as part of SQL instruction: If participating in controlled ...

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