array_count_values
array array_count_values(array values) Counts the occurrences of all elements in the argument and returns an associative array of the resulting frequencies.
Returns:
Associative array; NULL if given an invalid argument
Description:
Passing an array to array_count_values() returns an associative array in which all the unique elements are counted and returned with the values as the keys and the frequencies as the values.
Version:
PHP 4 since 4.0b4
Example:
Display the number of times a given element occurs in an array
$scores = array('A', 'A', 'C', 'B', 'A', 'C', 'C', 'B', 'A');
$grades = array_count_values($scores);
echo "There were $grades[A] A's, $grades[B] B's, and $grades[C] C's";
Output: There were 4 A's, 2 B's, and ... |
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