The ArrayObject::count() function is an inbuilt function in PHP which is used to get the number of public properties in the ArrayObject.
Syntax:
int ArrayObject::count( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns the number of public properties in the ArrayObject.
Below programs illustrate the ArrayObject::count() function in PHP:
Program 1:
<?php // PHP program to illustrate the // ArrayObject::count() function   // Declare an array and convert it // into array object $arrObject = new ArrayObject(     array ( 'Geeks' , 'for' , 'Geeks' ) );   // Use ArrayObject::count() function // to count the number of public // properties in the ArrayObject $count = $arrObject -> count ();   print_r( $count );   ?> |
3
Program 2:
<?php // PHP program to illustrate the // ArrayObject::count() function   // Declare an associative array $arr = array (     "a" => "Welcome" ,     "b" => "to" ,     "c" => "neveropen" );   // Create into array object $arrObject = new ArrayObject( $arr );   // Use ArrayObject::count() function // to count the number of public // properties in the ArrayObject $count = $arrObject -> count ();   print_r( $count );   ?> |
3
Reference: https://www.php.net/manual/en/arrayobject.count.php