Php Functions - array_values, json_encode, json_decode, array_intersect

array_values()
json_encode();
json_decode()
array_intersect()

array_values()

It will give removed key of associated array

$a = [
  'f1' => 'banana',
  'f2' => 'apple',
  'f3' => 'orange',
];
print_r (array_values($a));

Output for state above code

Array
(
    [0] => banana
    [1] => apple
    [2] => orange
)

json_encode() - encode php to json

$a = [
  'f1' => 'banana',
  'f2' => 'apple',
  'f3' => 'orange',
];

$b = json_encode($a);

print_r( $b );

output

{
  "f1": "banana",
  "f2": "apple",
  "f3": "orange"
}

json_decode() - decode json to php

After encode to json if we require to decode or when we store value as array in mysql or any other database we need to decode to php again. In this case we use json_decode()

$b = json_encode($a);
$c = json_decode($b);
print_r( $c );

output of json_decode

stdClass Object
(
    [f1] => banana
    [f2] => apple
    [f3] => orange
)

array_intersect() showing common elements from 2 or more array (in Bengali language it means ga, sa, gu)

$a = ['a', 'b', 'c', 'd', 'f', 'g'];
$b = ['a', 'b', 'd', 'g', 'h'];
$c = array_intersect($a, $b);
print_r($c);

output of the state above code

Array
(
    [0] => a
    [1] => b
    [3] => d
    [5] => g
)