Home
 

split() function divides a string into various elements

Syntax is: array split (string pattern, string string [, int limit])

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

<?php
$ip = "123.456.789.000";
$arr = split ("\.", $ip);   

print "$arr[0] <br>";
print "$arr[1] <br>";
print "$arr[2] <br>";
print "$arr[3] <br>";
?>

Output:
123
456
789
000

Comment Tags: FTP, hosting, website

Email validation with Regular Expressions

This is also case-insensitive, so it will treat all characters as lower case. It is a really easy way to check the syntax and format of an email address.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

<html>
<body>
<?php
if (isset($_POST['posted'])) {
   $email = $_POST['email'];
   $theresults = ereg("^[^@ ]+@[^@ ]+\.[^@ \.]+$", $email, $trashed);   //"\w+@\w+.\w+$"
   if ($theresults) {
      $isamatch = "Valid";
   } else {
      $isamatch = "Invalid";
   }
   echo "Email address validation says $email is " . $isamatch;
}
?>

<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST">
<input type="hidden" name="posted" value="true">
Enter your email address for validation:
<input type="text" name="email" value="name@example.com">
<input type="submit" value="Validate">
</form>
</body>
</html>

Comment Tags: FTP, hosting, website

Log-In Page using Database

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

<html>
 <head>
  <title>Log-In Page</title>
 </head>
 <body>
 Please enter your user details to log-in here...
 <form action = "login.php" method = "post">
 Username:<br>
 <input type = "text" name = "username">
 <br><br>
 Password:<br>
 <input type = "text" name = "password">
 <br><br>
 <input type = "submit" value = "Log In">
 </form>
 </body>
</html>

login.php

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60

<?php
$username = $_POST['username'];
$password = $_POST['password'];
$self =     $_SERVER['PHP_SELF'];
$referer =  $_SERVER['HTTP_REFERER'];

if( ( !$username ) or ( !$password ) ){
    header( "Location:$referer" ); exit();
}

$conn=@mysql_connect( "localhost", "userName", "password" ) or die( "Could not connect" );

$rs = @mysql_select_db( "my_database", $conn ) or die( "Could not select database" );
$sql = "select * from users where user_name=\"$username\" and password = password( \"$password\" )";
$rs = mysql_query( $sql, $conn ) or die( "Could not execute query" );
$num = mysql_numrows( $rs );

if( $num != 0 ){
  $msg = "<h3>Welcome $username - your log-in succeeded!</h3>";
}
else{
  header( "Location:$referer" ); exit();
}
?>

<html>
  <head>
     <title>Log-In Authenticated</title>
  </head>
  <body>
   <?php echo( $msg ); ?>
  </body>
</html>

Comment Tags: FTP, hosting, website

A Simple Login Page using Session

This page aims to show a simple ‘log in’ or ‘sign in’ script written in PHP

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

<?php
session_start();
if (isset($_POST["submit"])) {
  if ($_POST["user"] == "nilanjan" && $_POST["pass"] == "banerjee") {
    $_SESSION["usernm"] = $_POST["user"];
  }
}
?>

<html>
<head>
<title>User Authentication</title>
</head>
<body>
<?php
if (isset($_SESSION["usernm"])) {
  echo("You are logged in!");
} else {
?>
<form method="post">
<input type="text" name="user" /><br />
<input type="password" name="pass" /><br />
<input type="submit" name="submit" value="Login" />
</form>
<?php
}
?>
</body>
</html>

Comment Tags: FTP, hosting, website

Iterating Through Object Properties

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

<?php
    class Person {
            public $FirstName = "Sanat";
            public $MiddleName = "Kumar";
            public $LastName = "Roy";
            private $Password = "asdfasdf";
            public $Age = 29;
            public $HomeTown = "Kolkata";
            public $FavouriteColor = "Blue";
    }

    $bill = new Person( );

    foreach($bill as $var => $value) {
            echo "$var is $value\n"."<br>";
    }
?>

Output :
FirstName is Sanat
MiddleName is Kumar
LastName is Roy
Age is 29
HomeTown is Kolkata
FavouriteColor is Blue

Comment Tags: FTP, hosting, website

Modifying an array with foreach()

Foreach statement to read an array. But at some point, I want to change the value of the array.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

<?php
$lunch = array('A' => 1,
               'B' => 2.85,
               'C' => 3.20,
               'D' => 4.80);

foreach ($lunch as $dish => $price) {
    $lunch[$dish] = $lunch[$dish] * 2;
}
echo "The new price of"."<br>";
foreach ($lunch as $dish => $price) {
    printf("%s is \$%.2f.\n",$dish,$price);
	echo "<br>";
}
?>

Output :
The new price of
A is $2.00.
B is $5.70.
C is $6.40.
D is $9.60.

Comment Tags: FTP, hosting, website
  1. Pages:
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. ...
  14. 16
 
 
 

Categories

Tag

 

Copyright © 2010 PHP code. net. All Rights Reserved. Designed By: Web Design Company