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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 DescriptionProcedural style: int mysqli_stmt_param_count ( mysqli_stmt stmt ) Object oriented style (property): class mysqli_stmt { int param_count }
mysqli_stmt_param_count() returns the number of parameter
markers present in the prepared statement.
Возвращаемые значения
returns an integer representing the number of parameters.
ПримерыПример 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();
?>
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Пример 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);
?>
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Результат выполнения данного примера:
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