mysqli_num_fields.phpt

来自「linux下安装不上mysql5与php5的可用此关联」· PHPT 代码 · 共 50 行

--TEST--
mysqli_num_fields()
--SKIPIF--
<?php require_once('skipif.inc'); ?>
<?php require_once('skipifemb.inc'); ?>
--FILE--
<?php
    include "connect.inc";

    $tmp    = NULL;   
    $link   = NULL;    
    
    if (!is_null($tmp = @mysqli_num_fields()))
        printf("[001] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);
        
    if (!is_null($tmp = @mysqli_num_fields($link)))
        printf("[002] Expecting NULL, got %s/%s\n", gettype($tmp), $tmp);

    require('table.inc');

    function func_test_mysqli_num_fields($link, $query, $expected, $offset, $test_free = false) {

        if (!($res = mysqli_query($link, $query))) {
            printf("[%03d] [%d] %s\n", $offset, mysqli_errno($link), mysqli_error($link));
            return;
        }

        if ($expected !== ($tmp = mysqli_num_fields($res)))
            printf("[%03d] Expecting %s/%d, got %s/%d\n", $offset + 1, 
                gettype($expected), $expected,
                gettype($tmp), $tmp);

        mysqli_free_result($res);

        if ($test_free && (NULL !== ($tmp = mysqli_num_fields($res))))
            printf("[%03d] Expecting NULL, got %s/%s\n", $offset + 2, gettype($tmp), $tmp);
    }

    func_test_mysqli_num_fields($link, "SELECT 1 AS a", 1, 5);
    func_test_mysqli_num_fields($link, "SELECT id, label FROM test", 2, 10);
    func_test_mysqli_num_fields($link, "SELECT 1 AS a, NULL AS b, 'foo' AS c", 3, 15);
    func_test_mysqli_num_fields($link, "SELECT id FROM test", 1, 20, true);

    mysqli_close($link);     
    
    print "done!";
?>
--EXPECTF--
Warning: mysqli_num_fields(): Couldn't fetch mysqli_result in %s on line %d
done!