Help: array_search problem!

[JediDan]

Can anyone explain why the last statement in the code below doesn't print a 5? I'm lost here.

<?
	$test = array();

	for($i = 0; $i < 10; $i++){
		for($j = 0; $j < 10; $j++){
			$test[$i][$j] = $i.$j;
		}
	}

	$cell = array_search(&quot;55&quot;,$test[5]);
	print '<BR>loc: '.$cell;
?>

I've tried the

array_search

with and without the third type-matching parameter, and the searched-for number in both quotes, and without.

Any help is appreciated.

 

[sleipnir214]

When I run your code, I get a 5, which seems correct. What do you get? Want the best answers? Ask the best questions:

http://www.catb.org/~esr/faqs/smart-questions.html

TANSTAAFL!

 

[JediDan]

I get nothing!

Well, it prints:

loc:

But no value for

$cell

shows up.

 

[sleipnir214]

It may be some strange side-effect of your PHP configuration and version. What version of PHP are you running. I tested your code against version 4.3.0.

Have you inspected your array before you perform the search?

Add:
print '<pre>';
print_r ($test);

to your script. Does the array look like it should on your system? Want the best answers? Ask the best questions:

http://www.catb.org/~esr/faqs/smart-questions.html

TANSTAAFL!

 

[JediDan]

Here's the array contained in array element 5, it's in there:

[5] => Array
        (
            [0] => 50
            [1] => 51
            [2] => 52
            [3] => 53
            [4] => 54
            [5] => 55
            [6] => 56
            [7] => 57
            [8] => 58
            [9] => 59
        )

Using version 4.2.2.

 

[sleipnir214]

Have you explicitly tested the value in $cell against FALSE? (using &quot;===&quot? What does that do? Want the best answers? Ask the best questions:

http://www.catb.org/~esr/faqs/smart-questions.html

TANSTAAFL!

 

[JediDan]

Just tried it, returns FALSE.

 

[sleipnir214]

I'm grasping at straws here.

Have you tried printing $test[5][5] inside of some delimiter to verify the value?

print '&quot;' . $test[5][5] . '&quot;';

Alternatively, have you explicitly tested the value?

if ($test[5][5] == &quot;55&quot.... Want the best answers? Ask the best questions:

http://www.catb.org/~esr/faqs/smart-questions.html

TANSTAAFL!

 

[JediDan]

print '"' . $test[5][5] . '"';

returned &quot;55&quot;.

if($test[5][5] == "55") ...

did nothing.

Very strange.

 

[sleipnir214]

Just to ask the dumb question...

When inserted my suggested code into your script, you didn't use that second fragment verbatim, right? You inserted some action that the if-statement could perform but did not, like 'print &quot;foo!&quot;' or something, right? Want the best answers? Ask the best questions:

http://www.catb.org/~esr/faqs/smart-questions.html

TANSTAAFL!

 

[JediDan]

Yes, I did have a print statement.

But I found my problem, and I realize that I'm an idiot.

What I posted was a fragment of part of real file, and I was actually adding HTML tags before the data so that they would show up a certain way in a table. So really, if I was searching for &quot;55&quot;, the data returned false because the actual array element contained &quot;<TD align=center bgcolor=FF0000>55&quot;.

Thanks for your help. Sorry to have wasted your time!