Count php array element

count : Count all elements in an array.

Syntax
count(array)

Example:
<?php
$arr1 = array('A','B');
echo count($arr1); 
?>


Output:
2

PHP array Functions

array()
array_change_key_case()
array_chunk()
array_combine()
array_count_values()
array_diff()
array_diff_assoc()
array_diff_key()
array_diff_uassoc()
array_diff_ukey()
array_fill()
array_filter()
array_flip()
array_intersect()
array_intersect_assoc()
array_intersect_key()
array_intersect_uassoc()
array_intersect_ukey()
array_key_exists()
array_keys()
array_map()
array_merge()
array_merge_recursive()
array_multisort()
array_pad()
array_pop()
array_product()
array_push()
array_rand()
array_reduce()
array_reverse()
array_search()
array_shift()
array_slice()
array_splice()
array_sum()
array_udiff()
array_udiff_assoc()
array_udiff_uassoc()
array_uintersect()
array_uintersect_assoc()
array_uintersect_uassoc()
array_unique()
array_unshift()
array_values()
array_walk()
array_walk_recursive()
arsort()
asort()
compact()
count()
current()
each()
end()
extract()
in_array()
key()
krsort()
ksort()
list()
natcasesort()
natsort()
next()
pos()
prev()
range()
reset()
rsort()
shuffle()
sizeof()
sort()
uasort()
uksort()
usort()

in_array :php find in array

PHP in_array is used to check if a value exists in an array


Syntax:
bool in_array($var,$arr)

Returns TRUE if $var exists in an array, FALSE otherwise.

Example:php find in array
<?php
$arr1 = array('A','B');
if(in_array('A',$arr1))
echo '`A` exists in an array' 
else 
echo 'Not Found';
?>


Output :
Array.

is_array : PHP array function

PHP is_array is used to find whether a variable is an array or not.

Syntax:
bool is_array($arr)

Returns TRUE if $arr is an array, FALSE otherwise.

Example: php is array


<?php
$arr1 = array('A','B');


if(is_array($arr1))
echo 'Array' 
else 
echo 'Not an Array';
?>

Output :
Array.