Podręcznik PHP
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# mysqli_stmt_param_count

(PHP 5)

mysqli_stmt_param_count

(no version information, might be only in CVS)

stmt->param_count -- Returns the number of parameter for the given statement

## Opis

Procedural style:

int mysqli_stmt_param_count ( mysqli_stmt stmt )

Object oriented style (property):

class mysqli_stmt {
int param_count
}

Returns the number of parameter markers present in the prepared statement.

## Parametry

`stmt`

  Procedural style only: A statement identifier returned by mysqli_stmt_init().

## Zwracane wartości

Returns an integer representing the number of parameters.

## Przykłady

Przykład 1. Object oriented style

`<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = $mysqli->prepare("SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = $stmt->param_count;
printf("Statement has %d markers.\n", $marker);
/* close statement */
$stmt->close();
}
/* close connection */
$mysqli->close();
?>`

Przykład 2. Procedural style

`<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if ($stmt = mysqli_prepare($link, "SELECT Name FROM Country WHERE Name=? OR Code=?")) {
$marker = mysqli_stmt_param_count($stmt);
printf("Statement has %d markers.\n", $marker);
/* close statement */
mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>`

Powyższy przykład wyświetli:

    Statement has 2 markers.

## Patrz także

mysqli_prepare()

Poprzedni | Spis treści | Następny
mysqli_stmt_num_rows | Początek rozdziału | mysqli_stmt_prepare