Zakaj? (php & mySQL)

 $result = mysql_query( " SELECT * FROM users" )
 or die( mysql_error() )
 

 
 is_array — Finds whether a variable is an array
 is_bool — Finds out whether a variable is a boolean 
 is_double — Finds whether a variable is a double
 is_float — Finds whether a variable is a float
 is_int — Find whether a variable is an integer
 is_integer — Find whether a variable is an integer
 is_long — Finds whether a variable is an integer
 is_null — Finds whether a variable is null 
 is_numeric — Finds whether a variable is a number or a numeric string 
 is_object — Finds whether a variable is an object
 is_real — Finds whether a variable is a real
 is_resource — Finds whether a variable is a resource 
 is_scalar — Finds whether a variable is a scalar 
 is_string — Finds whether a variable is a string
 
 

 
 
 $db_povezava = mysql_connect ( $db_url, $db_uporabnik, $db_geslo) 
 or die ("Napaka: mySQL baza ni dostopna! ".
 "Administratorja lahko obvestite ".
 "na email $adminmail !"); // poveze se z mySQL bazo oz. izpise napako 
 
 $db_list = mysql_list_dbs($db_povezava); 
 
 $tmp = 0; 
 while ($row = mysql_fetch_object($db_list))
 { 
 if ( $row->Database == $db_ime )
 $tmp=1; 
 }
 
 if ($tmp == 0)
 mysql_create_db ( $db_ime ); // naredi bazo, ce je še ni 
 
 $db_ok = mysql_select_db ( $db_ime, $db_povezava ); //izbere mySQL bazo 
 $result = mysql_list_tables ( $db_ime ) or die( mysql_error() );
 
 $tmp = 0; 
 $i = 0; 
 
 while ($i < mysql_num_rows($result))
 { 
 $tb_names[$i] = mysql_tablename ($result, $i); 
 if ($tb_names[$i]=='zgodbe')
 $tmp=1; 
 
 $i++; 
 }
 
 if ($tmp == 0)
 mysql_query ("CREATE TABLE zgodbe (id INT AUTO_INCREMENT, PRIMARY KEY (id), ".
 "KEY id (id), naslov VARCHAR (50) BINARY, vsebina BLOB, ".
 "avtor VARCHAR (25) BINARY, datum DATE)");