count php code example

Example 1: php array length

count($myArray);

Example 2: php length of array

<?php
	$arr = ["one", "two", "three", "four"];
	echo count($arr);
  ?>

Example 3: php array lenght

<?php
$cars=array("Volvo","BMW","Toyota");
echo count($cars);
?>

Example 4: count sql query in php

$sql = "SELECT COUNT(*) AS total from Members";
$result = $conn->query($sql);
$data =  $result->fetch_assoc();
echo $data['total'];

Example 5: count php

$cars = array("Volvo","BMW","Toyota");
echo count($cars); // 3

Example 6: 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)

*/