The Ds\Vector::jsonSerialize() function is an inbuilt function in PHP which is used to return the element which can be converted to JSON.
Syntax:
mixed public JsonSerializable::jsonSerialize( void )
Parameters: This function does not accepts any parameter.
Return Value: This function returns the values of the vector in the form which can be converted to JSON.
Below programs illustrate the Ds\Vector::jsonSerialize() function in PHP:
Program 1:
<?php class vector implements JsonSerializable { Â Â Â Â public function __construct(array $arr) { Â Â Â Â Â Â Â Â $this->array = $arr; Â Â Â Â } Â Â Â Â Â Â public function jsonSerialize() { Â Â Â Â Â Â Â Â return $this->array; Â Â Â Â } } Â Â // Declare an array $arr = [1, 2, 3, 4, 5]; Â Â echo("Elements after converting to JSON convertible form\n"); Â Â echo json_encode(new vector($arr), JSON_PRETTY_PRINT); Â Â ?> |
Output:
Elements after converting to JSON convertible form
[
1,
2,
3,
4,
5
]
Program 2:
<?php class vector implements JsonSerializable { Â Â Â Â public function __construct(array $arr) { Â Â Â Â Â Â Â Â $this->array = $arr; Â Â Â Â } Â Â Â Â Â Â public function jsonSerialize() { Â Â Â Â Â Â Â Â return $this->array; Â Â Â Â } } Â Â // Declare an array $arr = ["neveropen", "for", "neveropen"]; Â Â echo("Elements after converting to JSON convertible form\n"); Â Â echo json_encode(new vector($arr), JSON_PRETTY_PRINT); Â Â ?> |
Output:
Elements after converting to JSON convertible form
[
"neveropen",
"for",
"neveropen"
]
Reference: http://php.net/manual/en/ds-vector.jsonserialize.php
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