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PHP JSON

PHP allows us to encode and decode JSON by the help of json_encode() and json_decode functions.

1) PHP json_encode

The json_encode() function returns the JSON representation of a value. In other words, it converts PHP variable (containing array) into JSON.

Syntax:

PHP json_encode example 1

Let's see the example to encode JSON.

Output

{"a":1,"b":2,"c":3,"d":4,"e":5}

PHP json_encode example 2

Let's see the example to encode JSON.

Output

{"firstName":"Rahul","lastName":"Kumar","email":"rahul@gmail.com"}

2) PHP json_decode

The json_decode() function decodes the JSON string. In other words, it converts JSON string into a PHP variable.

Syntax:

PHP json_decode example 1

Let's see the example to decode JSON string.

Output

array(5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}

PHP json_decode example 2

Let's see the example to decode JSON string.

Output

array(3) { 
["firstName"]=> string(5) "Rahul" 
["lastName"]=> string(5) "Kumar" 
["email"]=> string(15) "rahul@gmail.com" 
}
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