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- $xy = explode(",", "-3,3");
- $return = array(0,0);
- if(is_array($xy) && count($xy) == 2) {
- $return = $xy;
- foreach($xy as $digit) {
- if(!is_numeric($digit)) {
- $return = array(0,0);
- break;
- }
- }
- }
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