checking the array

[karthikanov24]

hi

$child  = array_merge($child, getChildCategories($categories, $catId));

 

In the above line of code,the value(return value) of the function getChildCategories() is an array....

how to check(what debugging code is used) whether there is any value or in that function(or array) or it is null....?

 

 

thanks

karthikanov24

[nadeemshafi9]

if(count($array) >= 1) echo "array has result";

else echo "error";

[karthikanov24]

hi

In the above posting,there is no variable like $array .There is only function getChildCategories() having array.....

so could you give the code using that function to check the value in it...please..

 

thanks

karthikanov24

[nadeemshafi9]

$child  = array_merge($child, getChildCategories($categories, $catId));

 

if(!is_array($child)) echo "error";

else if (count($child ) >= 1) echo "array has result";

else echo "error";

 

[karthikanov24]

hi

Is this correct...?

 

if(count(getChildCategories($categories,$catId))>0)

echo "have values";

else

echo "empty";

 

Actually i want to check the value of getChildCategories() alone...and not others..

Please could you help me....

 

thanks

karthikanov24

[nadeemshafi9]

if(count(getChildCategories($categories,$catId))>0) echo "have values";

else echo "empty";

 

 

if you miss out the curly brackets you must use the same line

[cags]

It being on the same line or not will make absolutely no difference. I would however recommend using curly brackets even if you only have a single lines, it helps limit errors creeping into code.

[nadeemshafi9]

It being on the same line or not will make absolutely no difference. I would however recommend using curly brackets even if you only have a single lines, it helps limit errors creeping into code.

 

its only 1 line after no brackets that gets executed am i right ?

[cags]

Without curly braces only the first 'line' of code following the statement will be done as part of the statement. But whitespace doesn't make the slightest bit of difference.

 

// this
if(true) 

   echo "True";

else 

echo "False";

// is exactly the same as this
if(true) echo "True";
else echo "False";

I would always recommend a variation of this as the 'correct' way of doing it. Otherwise you can introduce problems when you complicate things.

 

if(true) {
   echo "True";
} else {
   echo "False";
}