How php converts associative arrays to json data
This article introduces how php converts associative arrays into json data, the content is very detailed, interested friends can refer to, I hope it can be helpful to you.
In PHP, you can use the json_encode () function to convert associative arrays into json data, which JSON encodes PHP variables (arrays, objects, etc.) into data in json format; syntax "json_encode ($data)".
Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer
In PHP, you can use the json_encode () function to convert associative arrays into json data.
Output result:
{"a": 1, "b": 2, "c": 3, "d": 4, "e": 5}
Description:
Json_encode-JSON encodes the variable.
Json_encode ($value, $options, $depth)
Parameters:
Value: the value to be encoded can be any data type except the resource type.
Options: a binary mask consisting of the following constants
JSON_FORCE_OBJECT, JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_INVALID_UTF8_IGNORE, JSON_INVALID_UTF8_SUBSTITUTE, JSON_NUMERIC_CHECK, JSON_PARTIAL_OUTPUT_ON_ERROR, JSON_PRESERVE_ZERO_FRACTION, JSON_PRETTY_PRINT, JSON_UNESCAPED_LINE_TERMINATORS, JSON_UNESCAPED_SLASHES, JSON_UNESCAPED_UNICODE, JSON_THROW_ON_ERROR . For more information about JSON constants, please see the JSON constants page.
Depth: sets the maximum depth. Must be greater than 0.
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