International PHP Conference 2019 - Spring Edition

maxdb_fetch_object

maxdb_result::fetch_object

(PECL maxdb >= 1.0)

maxdb_fetch_object -- maxdb_result::fetch_objectReturns the current row of a result set as an object

说明

过程化风格

object maxdb_fetch_object ( object $result )

面向对象风格

object maxdb_result::fetch_object ( void )

The maxdb_fetch_object() will return the current row result set as an object where the attributes of the object represent the names of the fields found within the result set. If no more rows exist in the current result set, NULL is returned.

返回值

Returns an object that corresponds to the fetched row or NULL if there are no more rows in resultset.

Note: 此函数返回的字段名大小写敏感

Note: 此函数将 NULL 字段设置为 PHP NULL 值。

范例

Example #1 面向对象风格

<?php
$maxdb 
= new maxdb("localhost""MONA""RED""DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n"maxdb_connect_error());
   exit();
}

$query "SELECT name, state FROM hotel.city ORDER by zip";

if (
$result $maxdb->query($query)) {

   
/* fetch object array */
   
while ($obj $result->fetch_object()) {
       
printf ("%s (%s)\n"$obj->NAME$obj->STATE);
   }

   
/* free result set */
   
$result->close();
}

/* close connection */
$maxdb->close();
?>

Example #2 过程化风格

<?php
$link 
maxdb_connect("localhost""MONA""RED""DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n"maxdb_connect_error());
   exit();
}

$query "SELECT name, state FROM hotel.city ORDER by zip";

if (
$result maxdb_query($link$query)) {

   
/* fetch object array */
   
while ($obj maxdb_fetch_object($result)) {
       
printf ("%s (%s)\n"$obj->NAME$obj->STATE);
   }

   
/* free result set */
   
maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

以上例程的输出类似于:

New York (NY)
New York (NY)
Long Island (NY)
Albany (NY)
Washington (DC)
Washington (DC)
Washington (DC)
Silver Spring (MD)
Daytona Beach (FL)
Deerfield Beach (FL)
Clearwater (FL)
Cincinnati (OH)
Detroit (MI)
Rosemont (IL)
Chicago (IL)
Chicago (IL)
New Orleans (LA)
Dallas (TX)
Los Angeles (CA)
Hollywood (CA)
Long Beach (CA)
Palm Springs (CA)
Irvine (CA)
Santa Clara (CA)
Portland (OR)

参见

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