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up vote 3 down vote favorite
2

I have a simple associative array.

<?php
$assocArray = array('a' => 1, 'b' => 2, 'c' => 3);
?>

Using only while loop, how can I print it in this result?

$a = 1 
$b = 2 
$c = 3

This is my current solution but I think that this is not the efficient/best way to do it?

<?php
$assocArray = array('a' => 1, 'b' => 2, 'c' => 3);
$keys = array_keys($assocArray);
rsort($keys);

while (!empty($keys)) {
    $key = array_pop($keys);
    echo $key . ' = ' . $assocArray[$key] . '<br />';
};
?>

Thanks.

share|improve this question
 
like this: foreach($arr as $key=>$value) { .. } ? –  Thrustmaster Feb 20 '13 at 5:36
 
Why do you require only while loop? –  Angelin Nadar Feb 20 '13 at 5:37
 
check my answer mate it's perfectly how you want........ –  Venkat Feb 20 '13 at 5:43
 
Hi Thrustmaster, I know how to do it in foreach and for loop but I don't know the efficient way to do it in while loop so that's why I want to know :) –  marknt15 Feb 20 '13 at 5:43
 
How about mine marknt15........it's efficient and good one –  Venkat Feb 20 '13 at 5:49
add comment

3 Answers

up vote 5 down vote accepted

try this syntax and this is best efficient way to do your job...........

while (list($key, $value) = each($array_expression)) {
       statement
}

<?php


$data = array('a' => 1, 'b' => 2, 'c' => 3);

print_r($data);

while (list($key, $value) = each($data)) {
       echo '$'.$key .'='.$value;
}

?>

For reference please check this link.........

Small Example link here...

share|improve this answer
 
Thanks. This is what I'm looking for :) I don't use while loop much in my projects, only for and foreach loop. –  marknt15 Feb 20 '13 at 5:50
add comment
up vote 3 down vote

The best and easiest way to loop through an array is using foreach

 foreach ($assocArray as $key => $value)
        echo $key . ' = ' . $value . '<br />';
share|improve this answer
 
OP is aking to print them using while loop and not foreach function. –  blasteralfred Ψ Feb 20 '13 at 5:40
 
he asking in while loop not foreach.......... –  Venkat Feb 20 '13 at 5:42
 
there is not much difference between while and foreach. Final result will be the same. –  Aris Feb 20 '13 at 7:00
add comment
up vote 1 down vote

Try this;

$assocarray = array('a' => 1, 'b' => 2, 'c' => 3);
$keys = array_keys($assocarray);
rsort($keys);
while (!empty($keys)) {
    $key = array_pop($keys);
    echo $key . ' = ' . $assocarray[$key] . '<br />';
};
share|improve this answer
add comment

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