[SOLVED] Strange Problem - Should be a Simple Solution

[JSHINER]

<?php 
$num_pages = 4;

for ($p=1; $p<=$num_pages; $p++) {
$pages[] = '<a href="?p=' . $p . '">' . $p . '</a>';
echo join(' | ', $pages);
}
?> 

 

For some reason the above code is outputting "11 | 21 | 2 | 31 | 2 | 3 | 4" instead of "1 | 2 | 3 | 4"

 

Any ideas why?

[The Little Guy]

Try this:

 

<?php 
$num_pages = 4;

for ($p=1; $p<=$num_pages; $p++) {
$pages[] = '<a href="?p=' . $p . '">' . $p . '</a>';
}
echo impode(' | ', $pages);
?> 

[effigy]

Because it's in the loop. This should demonstrate the issue:

 

echo join(' | ', $pages), '<br>';

[Psycho]

Or a more graphical representation

 

11 | 21 | 2 | 31 | 2 | 3 | 4

 

First pass

Second pass

Third pass

Fourth pass

[JSHINER]

Ah yes it was in the loop. Missed that one. I knew it was something simple  

 

Which is better join or implode? Differences? They both have the same result right?

[The Little Guy]

my best guess would be that implode is the "newer" way, since there isn't much documentation on join...

 

Correct me if I'm wrong.

[effigy]

They're aliases.

[The Little Guy]

does that mean using "join" is like a behind the scenes redirect to "implode", not sure what they meant by that they were "aliases"

[JSHINER]

I believe it means they are interchangeable with neither having a more positive / negative effect. Right?

[effigy]

Right.