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<?php
namespace DataStructures\Trees\Traits;
trait CountTrait {
/**
* Binds to count() method. This is equal to make $this->tree->size().
*
* @return integer the tree size. 0 if it is empty.
*/
public function count() {
return $this->size;
size
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
class MyClass { } $x = new MyClass(); $x->foo = true;
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion:
class MyClass { public $foo; } $x = new MyClass(); $x->foo = true;
}
SiroDiaz /
DataStructures
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: