[PHP] Sorting an array of sub-arrays based on a sub-array's key

2009-09-06 Thread James Colannino 
Hey everyone.  I have an array that looks like this:

$main_array[0] = array('key1' = 'vala');
$main_array[1] = array('key1' = 'valb');
etc.

I want to sort the main array based on the value of key1 for each
sub-array.  I looked at all the array sorting functions, but unless I
misunderstood something, I didn't see a direct way to do what I want.

If there were a sorting function in which I could pass as an argument
the name of a function that compares two elements like qsort in C, I
could do it easily.  Is there a function like that in PHP?  If not, what
should I do?

Thanks everyone!
James

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Re: [PHP] Sorting an array of sub-arrays based on a sub-array's key

2009-09-06 Thread Eddie Drapkin 
On Sun, Sep 6, 2009 at 6:45 PM, James Colanninoja...@colannino.org wrote:
 Hey everyone.  I have an array that looks like this:

 $main_array[0] = array('key1' = 'vala');
 $main_array[1] = array('key1' = 'valb');
 etc.

 I want to sort the main array based on the value of key1 for each
 sub-array.  I looked at all the array sorting functions, but unless I
 misunderstood something, I didn't see a direct way to do what I want.

 If there were a sorting function in which I could pass as an argument
 the name of a function that compares two elements like qsort in C, I
 could do it easily.  Is there a function like that in PHP?  If not, what
 should I do?

 Thanks everyone!
 James

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http://us3.php.net/uasort

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Re: [PHP] Sorting an array of sub-arrays based on a sub-array's key

2009-09-06 Thread James Colannino 
Eddie Drapkin wrote:

 http://us3.php.net/uasort

Exactly what I was looking for.  Thanks.

James

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