Command to Print or Echo all Elements of an Array?

tharden3 · #1 January 3rd, 2009, 06:12 AM

Is there a quick way to ask to 'echo' or 'print' all elements of a numeric array? Can I specify to print "all of the keys" or "all of the values"? I wrote up 5 quick lines of code to print all of my values, but there has to be a built_in function I can call to do that for me right? Like function($months) or something?

Expand|Select|Wrap|Line Numbers

 
<?php

$months=array('January','February','March','April');

$key=0;

$calendar=count($months);

while($key<=$calendar){

echo "$months[$key]<br/>";

$key++;}

?>

Do I use var_dump()? This would allow me to see the entire thing, but what if I only want to specify 'just keys' or 'just values'?

Dormilich · #2 January 3rd, 2009, 08:56 AM

Quote:

Originally Posted by tharden3

Do I use var_dump()? This would allow me to see the entire thing, but what if I only want to specify 'just keys' or 'just values'?

does it really matter if you see both values? I'm glad for any information I get...

regards

Atli · #3 January 3rd, 2009, 02:18 PM

Hi.

You can use print_r to see your array in a formatted way.
I usually just do:

Expand|Select|Wrap|Line Numbers

echo "<pre>", print_r($array, true), "</pre>";

when I need to debug an array in my web pages in a hurry.

If you need to filter or change the array before you show it, one of the Array Functions can most likely do that for you before you print it.

P.S.
Check out the foreach loop

Expand|Select|Wrap|Line Numbers

 
foreach($months as $month) {

  echo "$month<br />";

}

tharden3 · #4 January 3rd, 2009, 04:14 PM

Oh, ok. That's like saying, "for x in this, do this". Thanks for the help.

Command to Print or Echo all Elements of an Array?

Popular Articles

What is Bytes?