i need some explication about (string) and (int)

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i need some explication about (string) and (int) for exemple what is te role of them in this

//what is the role of int bellow

include 'init.inc.php'; function get_total_urls(){ $total = mysql_query("SELECT COUNT(url_key) FROM urls"); return (int)mysql_result($total,0); //what is the role of string bellow echo base_convert((string)(6),10,36);

asked 53 secs ago

KIRA47

1

i need some explication about (string) and (int)