php count values in array code example
Example 1: get array length using php
$names = array("Ankur","Raj","Ram","Suresh");
echo count($names);
Example 2: php count amount of times a value appears in array
$tmp = array_count_values($uid);
$cnt = $tmp[12];
$cnt = count(array_filter($uid,function($a) {return $a==12;}));
Example 3: php count string in array
<?php
$a[0] = 1;
$a[1] = 3;
$a[2] = 5;
var_dump(count($a));
$b[0] = 7;
$b[5] = 9;
$b[10] = 11;
var_dump(count($b));
var_dump(count(null));
var_dump(count(false));
?>
/* result
int(3)
int(3)
Warning: count(): Parameter must be an array or an object that implements Countable in … on line 12 // as of PHP 7.2
int(0)
Warning: count(): Parameter must be an array or an object that implements Countable in … on line 14 // as of PHP 7.2
int(1)
*/