MySQL and PHP
Copyright 1997-2021 the PHP Documentation Group.
mysqli_stmt::$param_count
mysqli_stmt_param_count
Returns the number of parameters for the given statement
Object oriented style
int mysqli_stmt->param_count ;
Procedural style
int mysqli_stmt_param_count(mysqli_stmt stmt);
Returns the number of parameter markers present in the prepared statement.
stmt
Procedural style only: A statement identifier returned
by
mysqli_stmt_init
.
Returns an integer representing the number of parameters.
Example 3.94 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(); ?>
Example 3.95 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); ?>
The above examples will output:
Statement has 2 markers.
mysqli_prepare
|