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php-json-toolkit

A simple php library to work with JSON data.

Usage

Initialize an object to work with

Get value of a key

Get objects matching certain criteria

Class

PR_JSON_TOOL_KIT

Properties

$data

• Private
• Associative array
• Parsed JSON data to work with

$key_separator

• Private
• String
• The separator string to use for parsing a multi-level key.
  Ex:

To get the value of "d" from the above JSON data, the key will be passed as follows:
b{key_separator}d

Methods

__construct

__construct (string $json_string = '[]', string $key_separator = ':')

• Public
• Constructor function
• Parameters
  1. $json_string
     The JSON string to parse and use as the data source ($data)
     Default value: '[]'
  2. $key_separator
     The separator string to use for parsing a multi-level key
     Default value: ':'
• Return values
  1. Returns nothing

get_value_of

public mixed get_value_of (string $key, string $json_data="")

• Public
• Get value of a key from the json data
• Parameters
  1. $key
     The key to search for in the data source ($data)
     The key may be a simple key ("key") or a multi-level key where the keys are separated by the $key_separator ("lvl_1:lvl_2:lvl_3")
  2. $json_data
     The JSON string to parse and use as the data source ($data)
     If no string provided, then the data source initialized by the constructor function will be used.
• Return values
  1. Returns the value of the key on success
  2. Returns false if key not found

get_data

public array get_data (array $search_key_values, array $return_value_of_keys=[], string $json_array="")

• Public
• Get an array of objects(or the values of specific keys of the objects) having a particular key=>value pair out of an array of objects
• Parameters
  1. $search_key_values
     An array containing the key => value pairs to search for
  2. $return_value_of_keys An array containing the keys whose values to be returned if a match found.
     If no key specified, then the entire matched objects will be returned.
  3. $json_array The JSON string to parse and use as the data source ($data) If no string provided, then the data source initialized by the constructor function will be used.
• Return values
  1. Returns an array containing the objects with required key value pairs of the matched objects
  2. Returns an empty array ([]) if no match found