How to convert array to json in php

php method to convert an array to json: You can use the json_encode() function to convert. The json_encode() function can json encode variables. If the function is successfully executed, it returns json data, otherwise it returns false.

Function introduction:

json_encode() is used to JSON encode variables. This function returns JSON data if executed successfully, otherwise it returns FALSE .

(Recommended tutorial: php video tutorial)

Syntax:

string json_encode ( $value [, $options = 0 ] )

Parameters:

value: The value to be encoded. This function is only valid for UTF-8 encoded data.

options: Binary mask consisting of the following constants JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT, JSON_PRESERVE_ZERO_FRACTION, JSON_UNESCAPED_UNI CODE, JSON_PARTIAL_OUTPUT_ON_ERROR.

(Related recommendations: php training)

Code sample:

<?php
   class Emp {
       public $name = "";
       public $hobbies  = "";
       public $birthdate = "";
   }
   $e = new Emp();
   $e->name = "sachin";
   $e->hobbies  = "sports";
   $e->birthdate = date(&#39;m/d/Y h:i:s a&#39;, "8/5/1974 12:20:03 p");
   $e->birthdate = date(&#39;m/d/Y h:i:s a&#39;, strtotime("8/5/1974 12:20:03"));

   echo json_encode($e);
?>

Run result:

{"name":"sachin","hobbies":"sports","birthdate":"08\/05\/1974 12:20:03 pm"}

The above is the detailed content of How to convert array to json in php. For more information, please follow other related articles on the PHP Chinese website!