PHP array_count_values()Functions

PHP Array 参考手册Complete PHP Array Reference Manual

Examples

Count the number of occurrences of all values in an array:

<?php
$a=array("A","Cat","Dog","A","Dog");
print_r(array_count_values($a));
?>

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Definition and Usage

The array_count_values() function is used to count the number of occurrences of all values in an array.


Syntax

array_count_values(array)

Parameters Description
array Required. Specifies the array for which to count the number of occurrences of all values.

Technical Details

Return value: Returns an associative array whose element keys are the values of the original array, and the key values are the number of times those values occur in the original array.
PHP Version: 4+


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