php echo json values code example

Example 1: php echo json

<?php
$data = ['name' => 'John', 'age' => 35];
header('Content-type: Application/json');
echo json_encode($data);

Example 2: php return json

header('Content-type: application/json');
echo json_encode($array);

Example 3: php return json data

header('Content-Type: application/json'); 

$colors = array("red","blue","green");
echo json_encode($colors);

Example 4: return json in php

//code igniter
$query="qry";
$query = $this->db->query($query);
$res=$query->result();
return json_encode($res);

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Php Example