php - str_replace is not working properly -

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hi im gonna trying add x,y location static google maps image location string is

$googlemapstatic="http://maps.googleapis.com/maps/api/staticmap?center=(location)&zoom=7&size=1000x1000&markers=color%3ablue|label%3as|11211&sensor=false&markers=size:mid|color:0x000000|label:1|(location)";

and have x , y latitude , longitude

$koorx='32.323213123'; $koory='39.3213';

and im using str replace changing static maps location , marker inside it.

$newlocation=$koorx.','.$koory; $googlemapstatic=str_replace('location',$newlocation,$googlemapstatic);

but shows me different location input.

<img style='width:15.61cm; height:12.0cm' src=".$googlemapstatic.'>

if write x,y manually browser, show correct location. assume there mistake in str_replace function couldn't find it.

use 

ini_set('display_errors','on'); error_reporting(e_all);

if deprecated kind of error try use str_ireplace

$newlocation=$koorx.','.$koory; $googlemapstatic=str_ireplace('location',$newlocation,$googlemapstatic);

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