php length of array
<?php
$arr = ["one", "two", "three", "four"];
echo count($arr);
?>php length of array
<?php
$arr = ["one", "two", "three", "four"];
echo count($arr);
?>array length javascript
var numbers = [1, 2, 3, 4, 5];
var length = numbers.length;
for (var i = 0; i < length; i++) {
numbers[i] *= 2;
}
// numbers is now [2, 4, 6, 8, 10]array length javascript
var arr = [10,20,30,40,50]; //An Array is defined with 5 instances
var len= arr.length; //Now arr.length returns 5.Basically, len=5.
console.log(len); //gives 5
console.log(arr.length); //also gives 5php array lenght
<?php
$cars=array("Volvo","BMW","Toyota");
echo count($cars);
?>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)
*/Copyright © 2021 Codeinu
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