[Resolved] Its easy for you pros, but im a little stuck ;)

[StueyB]

Hi peeps,

Firstly just gotta say it looks a good php resource so far 🙂

Now this is an amatuer problem (treat me gently im trying to learn 🙂 )

I have a multi dimensional array and at the moment im just trying to get it to print out.

Here is the code snippet:

$provider1 = array (
"New" => array(
"80",
"90",
"100",
"110"),
"Newer" => array(
"83",
"93",
"103",
"113"),
"Newest" => array(
"85",
"95",
"105",
"115")
);

for($i = 0; $i < 3; $i++)
{

for($j = 0; $j < 4; $j++)
	echo $provider1[$i][$j] . "<br>";

}

Now I think I have a handle on multi dimensional arrays. However when I try and run this code via a get, I get the error Notice: Undefined offset: x in C:\Program Files\Apache Group\Apache2\htdocs\sms3.php on line 34.

x varies and this error repeats several times with different offsets. Line 34 is the line with the echo command on it.

I have googled for it but im not getting a clear picture as to what the problem is. Its probabily dead simple but im a newb 😉

Cheers

Stu

[mtmosier]

The indexes of your primary array are strings, New, Newer, and Newest, but you're trying to access them using integers ($i). You should probably look at foreach instead.

[bradgrafelman]

mtosier is right on the money.

foreach($provider1 as $key => $val) {
    if(is_array($val)) foreach($val as $subval) echo "$key - $subval<br>"; else echo "$key - $val<br>";
}

outputs:

New - 80
New - 90
New - 100
New - 110
Newer - 83
Newer - 93
Newer - 103
Newer - 113
Newest - 85
Newest - 95
Newest - 105
Newest - 115

[StueyB]

Thanks for that, I knew it would be simple. Just gotta work out for each now 😉

[bradgrafelman]

Anytime.

Feel free to reply with any more troubles you have with this issue, otherwise please don't forget to mark this thread "RESOLVED" using the link at the bottom of the page.