PHP count JSON array

Question

I have searched SO but couldn\'t find an answer.My PHP script is receiving some JSON by http post that looks like this:

{
\"task\": [
{
  \"task_id\": \"3\",         


        

Answer 1

Try echo count($task_array['task']);

In general, if you wonder what the structure of the value of a variable $var is, do a

<pre><?php var_export($var, true); ?></pre>

Advantage of this function over alternatives such as serialize and print_r is, that it prints PHP code (and is thus readable by anyone who understands PHP (which is likely if you program in PHP)). Disadvantage of var_export is, that it cannot handle circular structures (e.g. if $a->b == $a), but neither can JSON.

Answer 2

Well the 3 items are in 1 item "task" so, you have one array named task and the 3 elements are in it

try

echo count($task_array['task']);

EDIT :

please use the below code to print the array in correct pattern

echo '<pre>';
print_r($task_array['task']);
exit();

Answer 3

try this code, here i can able to count the number of objects with specific value

here's my data.json file content

{"likes":[
    {"user_id":1,"time":"12:04pm"},
    {"user_id":2,"time":"02:04pm"},
    {"user_id":67,"time":"11:04pm"},
    {"user_id":1,"time":"12:04pm"}
]}

here's the php code

<?php
$jsonData = file_get_contents("data.json");
$data = json_decode($jsonData,true);
$total = 0;
foreach ($data["likes"] as $value) {
    if($value["user_id"]==1){
        $total = $total+1;
    }
}
echo $total;
?>

output will be

2

Answer 4

$task_array = json_decode($json_tasks);
count($task_array->task);

EX: 3

From Taiwan