maxdb_stmt_param_count
(PECL)
maxdb_stmt_param_count
(no version information, might be only in CVS)
stmt->param_count -- Returns the number of parameter for the given statement
Description
Procedural style:
int
maxdb_stmt_param_count ( resource stmt )
Object oriented style (property):
class
stmt {
int param_count
}
maxdb_stmt_param_count() returns the number of parameter
markers present in the prepared statement.
返回值
returns an integer representing the number of parameters.
Example
例子 1. Object oriented style
<?php $maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s\n", maxdb_connect_error()); exit(); }
if ($stmt = $maxdb->prepare("SELECT name FROM hotel.city WHERE name=? OR state=?")) {
$marker = $stmt->param_count; printf("Statement has %d markers.\n", $marker);
/* close statement */ $stmt->close(); }
/* close connection */ $maxdb->close(); ?>
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例子 2. Procedural style
<?php $link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */ if (maxdb_connect_errno()) { printf("Connect failed: %s\n", maxdb_connect_error()); exit(); }
if ($stmt = maxdb_prepare($link, "SELECT name FROM hotel.city WHERE name=? OR state=?")) {
$marker = maxdb_stmt_param_count($stmt); printf("Statement has %d markers.\n", $marker);
/* close statement */ maxdb_stmt_close($stmt); }
/* close connection */ maxdb_close($link); ?>
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The above examples would produce the following output: