PHP array function sequence array_count_values() counts the number of occurrences of all values ​​in the array_PHP tutorial

array_count_values() definition and usage
array_count_values() function is used to count the number of occurrences of all values ​​in an array.

This function returns an array, the key name of its element is the value of the original array, and the key value is the number of times the value appears in the original array.

Syntax
array_count_values(array) Parameter Description
array Required. Specifies the input array.

Example

Copy code The code is as follows:

$a=array("Cat","Dog","Horse","Dog");
print_r(array_count_values($a));
?>

Output:

Array ( [Cat] => 1 [Dog] => 2 [Horse] => 1 )

http://www.bkjia.com/PHPjc/324495.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/324495.htmlTechArticlearray_count_values() definition and usage The array_count_values() function is used to count the number of occurrences of all values ​​in an array. This function returns an array, the key name of its element is the value of the original array, the key...