dump( array )
It prints the variable structure. Used to debug array, object or mixed var.
dump( $array );
output example:
dump
----------------------
Array
(
[id] => 1
[name] => "Luke"
[agency] => "rebellion"
)
----------------------
memory_usage_start( memName )
Save the memory used at this point
memory_usage_start();
memory_usage( memName )
Get the memory used and format the result
echo memory_usage();