PHP Script to print nested array
Posted on : 16-11-2007 | By : admin | In : PHP, PHP Code Examples
5
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Here is a script that will allow you to print a nested array upto any level. Can I request you to please review this and let me know how this can be further optimized.
$array["sunil"] = "Bhatia"; $array[0] = array("one"=>"two",array(1,2,3,array(4,5,6))); $array["sunil2"] = "Bhatia2"; processArray($array); $count=0; function processArray($array) { global $count; $count++; //this variable is for calculating tab space if(is_array($array) === true) { foreach($array as $key => $value) { if(is_array($array[$key]) === true) { processArray($array[$key]); } else { for($i = 1 ; $i < $count ; $i++) echo " "; //change this to space ' ' if running from CLI echo $value."<br>"; } } } $count--; }
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Only had a short look at your code, but I suggest to have a look at “array_walk_recursive” manual
I see no problem with it, except for maybe you could do away with printing non-breaking spaces and replace them with the ‘\t’ control character for tabs.
The for() on line 22 is the only thing that stands out as possibly unnecessary, or as something that could be optimised, but I can’t think of how to do so at the moment so I’ll let it slide.
hehe.
I assume you are just trying to do this as a more interface-friendly print_r()?
Correction to my previous comment: array_walk_recursive doesn’t exactly help here as it doesn’t work with associative arrays the way I expected.
function processArray2($array){
if (is_array($array)){
array_map(’processArray2′, $array);
} else {
echo ”.$array;
}
}
Delete my comments … forgot about the indents and it doesn’t quite work for the last bit:
$space = ”;
processArray2($array);
function processArray2($array){
global $space;
if (is_array($array)){
$space .= ‘ ’;
array_map(’processArray2′, $array);
} else {
echo $space.$array.”;
}
}