PHP AdvancedLesson 41Free preview

PHP JSON

This lesson is part of PHP · All levels

Summary

JSON is a lightweight, easy-to-understand text-based data exchange format for humans and machines. PHP provides json_encode() to convert array/object to JSON string and json_decode() to convert it back. This format is very commonly used in modern web API communication.

Key points

Json_encode() converting PHP array/object to JSON string
Json_decode() converts JSON strings into arrays or PHP objects
JSON supports objects {} and arrays [] as data structures
Always check the decoding success because the external data may be invalid.

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