maxdb_stmt_bind_result

maxdb_stmt::bind_result

(PECL maxdb >= 1.0)

maxdb_stmt_bind_result -- maxdb_stmt::bind_result — Binds variables to a prepared statement for result storage

说明

过程化风格

maxdb_stmt_bind_result ( resource $stmt , mixed &$var1 [, mixed &$... ] ) : bool

面向对象风格

maxdb_stmt::bind_result ( mixed &$var1 [, mixed &$... ] ) : bool

maxdb_stmt_bind_result() is used to associate (bind) columns in the result set to variables. When maxdb_stmt_fetch() is called to fetch data, the MaxDB client/server protocol places the data for the bound columns into the specified variables var1, ....

Note:
Note that all columns must be bound prior to calling maxdb_stmt_fetch(). Depending on column types bound variables can silently change to the corresponding PHP type.

A column can be bound or rebound at any time, even after a result set has been partially retrieved. The new binding takes effect the next time maxdb_stmt_fetch() is called.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

范例

Example #1 面向对象风格


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

if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

/* prepare statement */
if ($stmt = $maxdb->prepare("SELECT zip, name FROM hotel.city ORDER BY name")) {
   $stmt->execute();

   /* bind variables to prepared statement */
   $stmt->bind_result($col1, $col2);

   /* fetch values */
   while ($stmt->fetch()) {
       printf("%s %s\n", $col1, $col2);
   }

   /* close statement */
   $stmt->close();
}
/* close connection */
$maxdb->close();

?>

Example #2 过程化风格


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

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

/* prepare statement */
if ($stmt = maxdb_prepare($link, "SELECT zip, name FROM hotel.city ORDER BY name")) {
   maxdb_stmt_execute($stmt);

   /* bind variables to prepared statement */
   maxdb_stmt_bind_result($stmt, $col1, $col2);

   /* fetch values */
   while (maxdb_stmt_fetch($stmt)) {
       printf("%s %s\n", $col1, $col2);
   }

   /* close statement */
   maxdb_stmt_close($stmt);
}

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

以上例程的输出类似于：

12203 Albany
60601 Chicago
60615 Chicago
45211 Cincinnati
33575 Clearwater
75243 Dallas
32018 Daytona Beach
33441 Deerfield Beach
48226 Detroit
90029 Hollywood
92714 Irvine
90804 Long Beach
11788 Long Island
90018 Los Angeles
70112 New Orleans
10019 New York
10580 New York
92262 Palm Springs
97213 Portland
60018 Rosemont
95054 Santa Clara
20903 Silver Spring
20005 Washington
20019 Washington
20037 Washington

参见

maxdb_stmt_bind_param() - Binds variables to a prepared statement as parameters
maxdb_stmt_execute() - Executes a prepared Query
maxdb_stmt_fetch() - Fetch results from a prepared statement into the bound variables
maxdb_prepare() - Prepare an SQL statement for execution
maxdb_stmt_prepare() - Prepare an SQL statement for execution
maxdb_stmt_init() - Initializes a statement and returns an resource for use with maxdb_stmt_prepare
maxdb_stmt_errno() - Returns the error code for the most recent statement call
maxdb_stmt_error() - Returns a string description for last statement error

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官方地址：https://www.php.net/manual/en/function.maxdb-stmt-bind-result.php

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maxdb_stmt_bind_result

maxdb_stmt::bind_result

说明

返回值

范例

参见

User Contributed Notes