Getting values from a multidimensional array in php -

this question has answer here:

• how extract data json php? 2 answers

i've multidimesional array in php code ...

$waypoints = $_post['waypoints']; print_r ($waypoints); 

that returns

[["1dcb4f6575fbf5ee4ebd542d5981a588",7.67468,44.91085],["7503c3e97935960d0f7abcb6f7ad70f4",7.67614,44.90977]]

i need values @ index = 1 , index = 2 in array: if try value

7.67468 

using

print_r ($waypoints[0][1]); 

i obtain

notice: uninitialized string offset: 1  

as error

using

print_r ($waypoints[0]); 

i obtain

[ 

as error

suggestions?

as $_post['waypoints'] json_encoded string, try part of code:

// decode json-string array $waypoints = json_decode($_post['waypoints'], true); // if want check have: print_r($waypoints) // echo required item: echo $waypoints[0][1]; 

more json can find here, in documentation, or google.