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Thread: where clause in PHP /mysql

  1. #1

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    where clause in PHP /mysql

    how can i pass vraiable in mysql i have folling code

    Code:
                              $username = $_REQUEST['username'];
    		$password = $_REQUEST['password'];
    
    $result = mysql_query("SELECT * FROM login_db where LoginID= 'demo' and loginpassword1= 'demo'  ");
    
    
    
    I neeed to pas values in variables   $username  and $password 
    
    please corrrect above where clause

  2. #2
    Freelancer akhileshbc's Avatar
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    Re: where clause in PHP /mysql

    You can do it like this:
    PHP Code:
      $username $_POST['username'];  // I think it is more appropriate to use the $_GET or $_POST based on the request method instead of using global $_REQUEST which contains the data of GET, POST & COOKIES
      
    $password $_POST['password'];

      
    $result mysql_query("SELECT * FROM login_db where LoginID= '$username' and loginpassword1= '$password'  "); 
    Or, you could append the variables using dot.
    Eg:
    PHP Code:
      $result mysql_query("SELECT * FROM login_db where LoginID= '" $username "' and loginpassword1= '" $password "'  "); 
    Also, it would be a good choice to use escape the user inputs before using it in a query. Because otherwise it would be prone to sql injections !


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  3. #3
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    Re: where clause in PHP /mysql

    ....

  4. #4

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    Re: where clause in PHP /mysql

    thnaks for reply


    see my code
    Code:
    $result = mysql_query("SELECT * FROM login  where LoginID= '$username' and Password1=  '$password'  "); 
    
    
    
    
    
    				if($result)
    				{
    	
    echo "success";
    				}
      			                 else
    				{				
                      				echo   "There were no results for your search";
    				}
    also
    Code:
    <script type="text/javascript">
    $(document).ready(function() {
    	
    	$("#login").click(function() {
    	
    		var action = $("#form1").attr('action');
    		var form_data = {
    			username: $("#username").val(),
    			password: $("#password").val(),
    			is_ajax: 1
    		};
    		
    		$.ajax({
    			type: "POST",
    			url: action,
    			data: form_data,
    			success: function(response)
    			{
    				if(response == 'success')
    					$("#form1").slideUp('slow', function() {
    						$("#message").html("<p class='success'>You have logged in successfully!</p>");
    					});
    				 else
    					{
                                                                                            // echo response;
    
    					$("#message").html("<p class='error'>Invalid username and/or password.</p>");	
    					}
    			}
    		});
    		
    		return false;
    	});
    	
    });
    </script>
    if i input wron password it also show me message
    You have logged in successfully ..please mention if need full code

  5. #5
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    Re: where clause in PHP /mysql

    How do I make mod_rewrite suppress processing more rules?

  6. #6
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    Re: where clause in PHP /mysql

    try this code

    Code:
    <?php
    $result = mysql_query("SELECT * FROM login  where LoginID= '$username' and Password1=  '$password'  "); 
    
    
    
    
    
    				if(mysql_num_rows($result) > 0) # OR   mysql_num_rows($result) == 1
    				{
    	
    echo "success logged in";
    				}
      			                 else
    				{				
                      				echo   "Invalid login";
    				}
    				?>

  7. #7
    Freelancer akhileshbc's Avatar
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    Re: where clause in PHP /mysql

    Quote Originally Posted by adhp123 View Post
    How do I make mod_rewrite suppress processing more rules?
    Use the [L] flag : http://www.easymodrewrite.com/notes-last


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  8. #8
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    Re: where clause in PHP /mysql

    Thqanks you

  9. #9
    Freelancer akhileshbc's Avatar
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    Re: where clause in PHP /mysql

    Quote Originally Posted by adhp123 View Post
    Thqanks you
    Next time, you should post your question in your own thread. Don't hijack others.


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  10. #10
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    Re: where clause in PHP /mysql

    yes I get it

  11. #11

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    Re: where clause in PHP /mysql

    thanks to all

    Code:
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>PHP Login with jQuery AJAX</title>
    <link rel="stylesheet" type="text/css" href="style.css" />
    <script type="text/javascript" src="jquery-1.5.2.min.js"></script>
    <script type="text/javascript">
    $(document).ready(function() {
    	
    	$("#login").click(function() {
    	
    		var action = $("#form1").attr('action');
    		var form_data = {
    			username: $("#username").val(),
    			password: $("#password").val(),
    			is_ajax: 1
    		};
    		
    		$.ajax({
    			type: "POST",
    			url: action,
    			data: form_data,
    			success: function(response)
    			{
    				if(response == 'success')
    					$("#form1").slideUp('slow', function() {
    						$("#message").html("<p class='success'>You have logged in successfully!</p>");
    						$("#Topic").html("<p class='success'>dsdsd</p>");
    					});
    				 else
    					{
                                                                                            // echo response;
    
    					$("#message").html("<p class='error'>Invalid username and/or password.</p>");	
    					}
    			}
    		});
    		
    		return false;
    	});
    	
    });
    </script>
    </head>
    
    <body>
    <p>&nbsp;</p>
    <div id="content">
      <h1>Login Form</h1>
      <form id="form1" name="form1" action="doLogin.php" method="post">
        <p>
          <label for="username">Username: </label>
          <input type="text" name="username" id="username" />
        </p>
        <p>
          <label for="password">Password: </label>
          <input type="password" name="password" id="password" />
        </p>
        <p>
          <input type="submit" id="login" name="login" value ="Login"  />
        </p>
    <div id="Topic"></div>
    </form>
        <div id="message"></div>
     
    <div>
    </body>
    </html>
    i have this staus . now i want to display rows from database in div

    (<div id="Topic"></div>)

    in tabular format or datalist in .Net .. For example data like

    1 --- Topic 1
    2 --- Topic 2
    3 --- Topic 3


    can any one help me

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