mysql> create database memory_test;mysql> use memory_test;mysql> create table leak_test       ( id int not null primary key auto_increment,         data varchar(255) not null default '');mysql> insert into leak_test (data) values ("data1"),("data 2"),       ("data 3"),("data 4"),("data 5"),("data6"),("data 7"),       ("data 8"),("data 9"),("data 10");

                for ( $x=0; $x<300; $x++ ) {    $db = mysql_connect("localhost", "root", "test");    mysql_select_db("test");    $sql  = "SELECT data FROM test";     $result = mysql_query($sql); // The operation suspected of leaking    mysql_free_result($result);    mysql_close($db); }

                <?phpif( !function_exists('memory_get_usage') ){     include('function.php');}echo "At the start we're using (in bytes): ",     memory_get_usage() , "\n<br>";    $db = mysql_connect("localhost", "user", "password");mysql_select_db("memory_test");echo "After connecting, we're using (in bytes): ",     memory_get_usage(),"\n<br>"; for ( $x=0; $x<10; $x++ ) {    $sql  =        "SELECT data FROM leak_test WHERE id='".$x."'";     $result = mysql_query($sql); // The operation                                 // suspected of leaking.    echo "After query #$x, we're using (in bytes): ",         memory_get_usage(), "\n<br>";    mysql_free_result($result);    echo "After freeing result $x, we're using (in bytes): ",         memory_get_usage(), "\n<br>";}  mysql_close($db);echo "After closing the connection, we're using (in bytes): ",     memory_get_usage(), "\n<br>";echo "Peak memory usage for the script (in bytes):".     memory_get_peak_usage();?>

                At the start we're using (in bytes): 63216After connecting, we're using (in bytes): 64436After query #0, we're using (in bytes): 64760After freeing result 0, we're using (in bytes): 64828After query #1, we're using (in bytes): 65004After freeing result 1, we're using (in bytes): 65080After query #2, we're using (in bytes): 65160After freeing result 2, we're using (in bytes): 65204After query #3, we're using (in bytes): 65284After freeing result 3, we're using (in bytes): 65328After query #4, we're using (in bytes): 65408After freeing result 4, we're using (in bytes): 65452After query #5, we're using (in bytes): 65532After freeing result 5, we're using (in bytes): 65576After query #6, we're using (in bytes): 65656After freeing result 6, we're using (in bytes): 65700After query #7, we're using (in bytes): 65780After freeing result 7, we're using (in bytes): 65824After query #8, we're using (in bytes): 65904After freeing result 8, we're using (in bytes): 65948After query #9, we're using (in bytes): 66028After freeing result 9, we're using (in bytes): 66072After closing the connection, we're using (in bytes): 65108Peak memory usage for the script (in bytes): 88748