Php count
From w3cyberlearnings
Contents |
PHP function count
This function counts the element of an array.
Syntax count
- array: array input
- mode: 0 (default, not consider multidimensional array), 1 (treat array as multidimensional array)
count(array, mode);
Note
Alias of count() function is sizeof() function.
Example 1
<?php
$name = array('Taylor',
'Lucas',
'Makayla',
'Jennifer');
$size = count($name);
echo "There are {$size} people in the group.";
?>
Output
There are 4 people in the group.
Example 2
<?php
$team = array(
'group 1'=> array('Jennifer','Nevaeh','Elizabeth'),
'group 2'=> array('Grace','Lauren','Chase'),
'group 3'=> array('Kimberly','Jade')
);
$count = count($team,1);
echo $count;
?>
Output
11
Example 3
<?php
$team = array(
'group 1' => array('Jennifer', 'Nevaeh', 'Elizabeth'),
'group 2' => array('Grace', 'Lauren', 'Chase'),
'group 3' => array('Kimberly', 'Jade')
);
$count = count($team, 1); // get all elements
$group = count($team, 0); // get only the group
$players = $count - $group; // get all the players
echo "There are {$group} groups, and there are {$players} players.";
?>
Output
There are 3 groups, and there are 8 players.
Related Links
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_diff_ukey
- array_diff
- array_fill_keys
- array_fill
- array_filter
- array_flip
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_intersect
- array_key_ exists
- array_keys
