PHP/Development/print r

print_r a class

<?php
class Person {
    private $name;    
    private $age;    
    private $id;    
    function __construct( $name, $age ) {
        $this->name = $name;
        $this->age = $age;
    }
    function setId( $id ) {
        $this->id = $id;
    }
    
    function __clone() {
        $this->id = 0;
    }
}
$person = new Person( "Joe", 44 );
$person->setId( 111 );
$person2 = clone $person;
print( $person );
print_r( $person );
print( $person2 );
print_r( $person2 );
?>

print_r for array

<?php
$languages = array ("A" => "A1",
                    "B" => "B1",
                    "C" => "C1");
print_r($languages);
?>

print_r: output associate array

<?php
$states = array (
"Ohio" => array ("population" => "11,353,140", capital => "Columbus"),
"Nebraska" => array("population" => "1,711,263", capital => "Omaha")
)
print_r($states);
?>