RE: [PHP] array_merge on 2d-arrays

> -----Original Message----- > From: David T-G [mailto:davidtg-php@justpickone.org] > Sent: 07 May 2003 03:35 > > Hi, all -- > > Given the snippet of code > > $a1 = array ( 'aa' => array ( 'a' => "aye", 'b' > => "bee", > 'c' => "see" ) , 'bb' => array ( 'd' => > 'dee' ) ) ; > $a2 = array ( 'aa' => array ( 'e' => "eee", 'f' > => "efh" ) ) ; > $m1 = array_merge($a1,$a2) ; > $m2 = array ( 'aa' => array_merge ($a1[aa],$a2[aa]) , 'bb' > => $a1[bb]) ; > > and a quick > > print "<pre>\n" ; > print "a1 : \n" ; print_r($a1) ; > print "a2 : \n" ; print_r($a2) ; > print "m1 : \n" ; print_r($m1) ; > print "m2 : \n" ; print_r($m2) ; > print "</pre>\n" ; > > we can see that $m1 simply steps on the 'aa' array from $a1 > and that $m2 > gives me what I'd naturally want. Is there a recursive > array_merge that > will handle multi-dimensional arrays so that I don't have to write > something like this from scratch? Uh, well at the bottom of the manual page for array_merge() (http://www.php.net/array-merge) it says "See also array_merge_recursive()" -- seems like a clue to me. Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: m.ford@lmu.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211