Mukesh Chapagain's Blog » array

PHP: Parse Unparse String Array

Mukesh — Thu, 01 Jul 2010 07:28:49 +0000

Here is a quick tip on parsing and unparsing string and array in PHP.

You can parses the string into variables by using the parse_str PHP function.

Using parse_str function

void parse_str ( string $str [, array &$arr ] )

$str = The input string.
$arr = If the second parameter arr is present, variables are stored in this variable as array elements instead.

Using single parameter

$str = "first=value&arr[]=foo+bar&arr[]=baz";
parse_str($str, $data);
echo $first;  // value
echo $arr[0]; // foo bar
echo $arr[1]; // baz

Using the second parameter

$str = "first=value&arr[]=foo+bar&arr[]=baz";
parse_str($str, $data);
echo ""; print_r($data); echo "";

The output will be:-

Array
(
    [first] => value
    [arr] => Array
        (
            [0] => foo bar
            [1] => baz
        )

)

You can unparse any array into string using the http_build_query function. This generates a URL-encoded query string from the associative (or indexed) array provided.

$data = array('foo'=>'bar',
              'baz'=>'boom',
              'cow'=>'milk',
              'php'=>'hypertext processor');

echo http_build_query($data); // foo=bar&baz=boom&cow=milk&php=hypertext+processor
echo http_build_query($data, '', '&'); // foo=bar&baz=boom&cow=milk&php=hypertext+processor

Hope this helps. Thanks.

Copyright © 2011
This feed is for personal, non-commercial use only.
The use of this feed on other websites breaches copyright. If this content is not in your news reader, it makes the page you are viewing an infringement of the copyright. (Digital Fingerprint:
)

Related posts:

jQuery: Print array and object

Mukesh — Fri, 22 Jan 2010 04:53:16 +0000

It’s very easy to print array and object with jQuery. You can do it with jQuery.each() function. The jQuery.each() function can be used to iterate over any collection, whether it is a map (JavaScript object) or an array.

Here is the javascript code to print array or object:

jQuery(document).ready(function(){
	var arr = [ "earth", "mars", "jupiter", "saturn", "venus" ];
	var obj = { one:"earth", two:"mars", three:"jupiter", four:"saturn", five:"venus" };

	jQuery.each(arr, function(i, val) {
	  $("#arrData").append(i + " : " + val + "
");
	});

	jQuery.each(obj, function(i, val) {
	  $("#objData").append(i + " => " + val + "
");
	});
});

Here, arr is a numeric array. Its key and value are printed in the div with id arrData. Similarly, obj is an associative array or object. Its key and value are printed in the div with id objData.

Here is the full source code:



jQuery: Print array and object





Array





Object

Cheers,

Related posts:

print_r in Javascript

Mukesh — Fri, 08 Jan 2010 07:45:02 +0000

It’s a real headache when you have to work on objects and arrays in Javascript. It would be lot easier to detect elements of the Javascript objects/arrays if we have print_r function in Javascript as we have in PHP.

I googled the web and have found a very efficient print_r Javascript function. This has helped me a lot in my projects. Here is the code:-

USING PRINT_R

Source: http://www.brandnewbox.co.uk/articles/details/a_print_r_equivalent_for_javascript/

Related posts:

PHP Javascript : Playing with multi-dimensional array

Mukesh — Sat, 24 Oct 2009 05:27:15 +0000

I had to work on multi-dimensional array with javascript and php. I had a multi-dimensional array in php. I had to load it into javascript array and then populate the html selection list.

The challenge for me was to create multi-dimensional array in javascript and populate selection list with for loop in javascript.

Here is the full code containing php array, creating javascript array, using for loop in javascript to populate selection list in onclick event.

Given php array:-


 array(
'easy' => array('music','history'),
'difficult' => array('maths','science')
),
'sports'=>array(
'easy' => array('cricket'),
'difficult' => array('football','basketball')
)
);

$keyName = array();
?>

Creating array in javascript with php array:-


var itemData = new Array();
	$value)
	{
		foreach($value as $k=>$v)
		{
			$v = implode(",",$v);

			if(!in_array($key,$keyName))
			{
				?>
				itemData[''] = new Array();
				
				itemData[''][''] = new Array('');

Populating selection list with javascript for loop:-

for (i=0; i
Download Full Source Code
Copyright © 2011
 This feed is for personal, non-commercial use only. 
 The use of this feed on other websites breaches copyright. If this content is not in your news reader, it makes the page you are viewing an infringement of the copyright. (Digital Fingerprint:
 )

Related posts:
PHP: Parse Unparse String Array
print_r in Javascript
Go back link in Javascript
jQuery: Print array and object
Displaying date and time

Fun with strings in PHP (Part 1)

Mukesh — Sun, 09 Dec 2007 04:48:39 +0000

Problem:

Concatenate and fetch data from two fields of database and then break it again.

Solution:

Posted below.

The description is included in the code.

You have to make a mysql database. The database part is as under:

create database test;

use test;

create table user(id int(9) not null auto_increment, first_name varchar(20), last_name varchar(20), primary key(id));

insert into user(first_name, last_name) values ("mukesh","chapagain");

PHP code below:

I have not used any loop (for, while, foreach, etc.) here to make the code simple. :-)



Fun with strings



"; // you will get the result as first_name,last_name
}
$newName = explode(",",$name); // this will make an array with each name as values

//print_r($newName);

// print the first name as
echo "First Name: " . $newName[0] . "
";

// print the second name as
echo "Second Name: " . $newName[1] . "
";

// you can find about how many elements/items are there with the commas
$count = count($newName);
echo "Count: $count 
";

// there is a function called 'implode' which will join array elements with a string
$newNameTwo = implode(" ",$newName); // this will print the names with spaces in between... before the names were separated with comma
echo "$newNameTwo 
";

?>

Happy PHPing!

Related posts: