PHP json_decode()

Decode JSON string

Function Signature

mixed json_decode(string $json, ?bool $associative = null, int $depth = 512)

Description

Decode JSON string. The json_decode() function is commonly used in PHP for json operations and provides reliable functionality across all PHP versions.

Return Value

Returns decoded value

Example Usage

Important Notes

Use true as second param for array instead of object. Check json_last_error() for errors.

Common Use Cases

The json_decode() function is particularly useful when you need to decode json string. It's frequently used in data processing, validation, transformation, and manipulation tasks throughout PHP applications.

json_decode() FAQ

What does json_decode() return?

Returns decoded value

When should I use json_decode()?

Use json_decode() when you need to decode json string in your PHP code. It's a reliable built-in function available in all PHP versions.

Are there any gotchas with json_decode()?

Use true as second param for array instead of object. Check json_last_error() for errors.