- var_dump: documentation ( source)
- array_count_values: documentation ( source)
<?php
var_dump(array_count_values(array(
'ZERO' => 0,
'STR' => 'str',
'ZERO_STR' => '0',
'FALSE' => 1.2,
'EMPTY_STR' => '',
'TRUE' => 1.1,
'ONE' => 1,
'ONE_STR' => '1',
)));