16 Dec 2015

Drupal 7 - add link into menu programmatically using hook_menu()

This blog describes about how to add a new menu item into menu like main menu, user menu in drupal 7.

We can create a menu item using hook_menu in drupal 7. Can we add menu item into already created menu in drupal7? Yes you can add a link into menu using hook_menu().

Add new menu item into main menu in drupal 7:

Consider below program to add new menu item into main menu in drupal 7.

/**
* Implement hook_menu()
*/
function phponwebsites_menu() {
$items['sample'] = array(
'title' => t('Sample page'),
'type' => MENU_NORMAL_ITEM,
'menu_name' => 'main-menu',
'page callback' => 'samplepage',
'access callback' => TRUE,
);

return $items;
}

/**
* Implement samplepage()
*/
function samplepage() {
$str = t('Hi this is sample page');
return $str;
}

Where,

type – MENU_NORMAL_ITEM

menu-name – name of the menu to add new link

You need to clear cache to see created new menu item in main menu. Now i’ve hope you know how to add new link programmatically to already created menu in drupal 7.

Related articles:
Add class into menu item in Drupal 7
Create menu tab programmatically in Drupal 7
Add custom fields into apache solr search api index in Drupal 7
Redirect users after login in Drupal 7

13 Dec 2015

Get multiple selected values from drop down box using PHP

You can get value from selection box using $_POST['selection_box_name'] ( if form method is post) in PHP. Now the doubt is rise. How to select multiple values from drop down box and how to get multiple selected input data from drop down box in PHP. This post describes retrieve multiple selected values from drop down box using PHP.

How to select multiple values from drop down box in HTML

You know select single value in drop down box. Then how to select multiple values in drop down box. You have to add attribute "multiple" and set name as array in drop down box in order to select multiple values from drop down box. If you want to select more than one values in drop down box, then press "ctrl" while selecting values in drop down box. Let consider below example to make HTML formwith select multiple values in drop down box.

<!DOCTYPE html>
<html>
<body>
<form action="#" method="post">
<select name="country[]" multiple>
<option value="USA">USA</option>
<option value="United Kingdom">United Kingdom</option>
<option value="Russia">Russia</option>
<option value="Brazil">Brazil</option>
<option value="India">India</option>
</select>
<input type="submit" name="submit">
</form>
</body>
</html>

Retrieve multiple selected values from drop down box using PHP

You can get value from selection box using $_POST['selection_box_name'] ( if form method is post) in PHP. Then display each selected items through foreach loop in PHP. The PHP script describes how to select multiple selected values from drop down box.

While submitting form with selected multiple values from drop down box, you can get multiple selected values using PHP.

26 Aug 2015

Find prime numbers between 1 and 100 in PHP

This blog describes how to find prime numbers between 1 and 100 using PHP. Prime number is a number which is divided by 1 and itself. Consider the number 5. It is prime number because it can be divided by 1 and 5.

PHP program for prime numbers:

Consider the below program which is used to find prime numbers from 1 to 100.

<?php
    for($i = 1; $i <= 100; $i++)
      $mm = 0;
      for($j = 2; $j <= $i/2; $j++) {
        //only not prime numbers
                if ($i % $j == 0) {
                $mm++;
                break;
                }
      }
      if ($mm == 0) {
                echo"$i is prime number<br/>";
      }
    }
?>

In above program, if a number is divided by any number except 1 and itself, then it is not prime number. Otherwise it is a prime number.

PHP program for find prime numbers from a to 100

Now you got prime numbers between 1 and 100 using PHP.

Related Post

Fibonacci series program in PHP
Factorial of given number in PHP
PHP program for find Armstrong Number

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