http://us.php.net/count
$size = count($array, 1); On Fri, May 18, 2012 at 4:54 PM, Anthony Ferrara <ircmax...@gmail.com>wrote: > Another trick would be to not use function recursion, but a recursive > iterator: > > http://codepad.viper-7.com/9PeM9c > > function maxDepth(array $a) { > $it2 = new RecursiveIteratorIterator( > new RecursiveArrayIterator($a) > ); > $max = 0; > foreach ($it2 as $val) { > $max = max($max, $it2->getDepth()); > } > return $max; > } > > It will actually process less data, since the > RecursiveIteratorIterator mode is to skip non-leaf nodes (in other > words, elements that are arrays). So the max() call will only ever be > called for non-array values... A micro-optimization for sure, but > something worth noting... > > Anthony > > > On Fri, May 18, 2012 at 4:48 PM, justin <jus...@justinhileman.info> wrote: > > function array_depth($el) { > > return is_array($el) ? max(array_map('array_depth', $el)) + 1 : 0; > > } > > > > var_dump(array_depth($array)); > > > > > > -- justin > > > > > > > > On Fri, May 18, 2012 at 1:27 PM, Joey Derrico <joeyd...@gmail.com> > wrote: > >> I am trying to count the number of dimensions in an array. I used my > >> google-fu and came up with answers that don't actually work because I > can > >> have multi-dimensional array's where one int he middle is multi and the > one > >> after not. Below is my latest set of test code (I have been playing > with it > >> for hours (with varying results), none correct), It currently returns 15 > >> dimensions and should be returning 5 > >> > >> <?php > >> echo "\n"; > >> $test = new test(); > >> > >> $array = array(); > >> $array[0] = '[0]'; > >> $array[1][0] = '[1][0]'; > >> $array[1][1] = '[1][1]'; > >> $array[2][0][0] = '[2][0][0]'; > >> $array[2][0][1] = '[2][0][1]'; > >> $array[2][1][0] = '[2][1][0]'; > >> $array[2][1][1] = '[2][1][1]'; > >> $array[3][0][0][0] = '[3][0][0][0]'; > >> $array[3][0][0][1] = '[3][0][0][1]'; > >> $array[3][1][0][0] = '[3][1][0][0]'; > >> $array[3][1][0][1] = '[3][1][0][1]'; > >> $array[3][1][1][0] = '[3][1][1][0]'; > >> $array[3][1][1][1] = '[3][1][1][1]'; > >> $array[4][0][0][0][0] = '[4][0][0][0][0]'; > >> $array[4][0][0][0][1] = '[4][0][0][0][1]'; > >> $array[4][1][0][0][0] = '[4][1][0][0][0]'; > >> $array[4][1][0][0][1] = '[4][1][0][0][1]'; > >> $array[4][1][1][0][0] = '[4][1][1][0][0]'; > >> $array[4][1][1][0][1] = '[4][1][1][0][1]'; > >> $array[4][1][1][1][0] = '[4][1][1][1][0]'; > >> $array[4][1][1][1][1] = '[4][0][0][0][1]'; > >> $array[5][0][0][0] = '[5][0][0][0]'; > >> $array[5][0][0][1] = '[5][0][0][1]'; > >> $array[5][1][0][0] = '[5][1][0][0]'; > >> $array[5][1][0][1] = '[5][1][0][1]'; > >> $array[5][1][1][0] = '[5][1][1][0]'; > >> $array[5][1][1][1] = '[5][1][1][1]'; > >> $array[6][0][0] = '[6][0][0]'; > >> $array[6][0][1] = '[6][0][1]'; > >> $array[6][1][0] = '[6][1][0]'; > >> $array[6][1][1] = '[6][1][1]'; > >> $array[7][0] = '[7][0]'; > >> $array[7][1] = '[7][1]'; > >> $array[8] = '[8]'; > >> > >> echo 'The array has '.$test->countNumberOfDimensionsOfAnArray($array)." > >> dimensions\n"; > >> //echo print_r($array,TRUE); > >> > >> > >> class test > >> { > >> public function isMultDimensionalArray($array) > >> { > >> $return = FALSE; > >> > >> if(is_array($array)){ > >> foreach($array as $value){ > >> if(is_array($value)){ > >> $return = TRUE; > >> } > >> } > >> } > >> return $return; > >> } > >> > >> public function countNumberOfDimensionsOfAnArray($array) > >> { > >> $dimensions = 0; > >> > >> if(is_array($array)){ > >> $dimensions++; > >> foreach($array as $key=>$value){ > >> if($this->isMultDimensionalArray($value)){ > >> $dimensions = $dimensions + > >> $this->countNumberOfDimensionsOfAnArray($value); > >> } > >> } > >> } > >> return $dimensions; > >> } > >> } > >> ?> > >> > >> Joey Derrico > >> > >> _______________________________________________ > >> New York PHP User Group Community Talk Mailing List > >> http://lists.nyphp.org/mailman/listinfo/talk > >> > >> http://www.nyphp.org/show-participation > > > > > > > > -- > > http://justinhileman.com > > _______________________________________________ > > New York PHP User Group Community Talk Mailing List > > http://lists.nyphp.org/mailman/listinfo/talk > > > > http://www.nyphp.org/show-participation > _______________________________________________ > New York PHP User Group Community Talk Mailing List > http://lists.nyphp.org/mailman/listinfo/talk > > http://www.nyphp.org/show-participation >
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