Accessing Out Values in PHP MySql Stored Procedures
MySQL documentation offers limited guidance on accessing out parameters in stored procedures. Here's how to retrieve an out parameter value using PHP:
Answer:
As mentioned in a previous discussion on the MySQL forums:
For PHP's mysqli API, using a stored procedure with an IN parameter (i) and OUT parameter (j), such as "myproc( IN i int, OUT j int)":
<code class="php">$mysqli = new mysqli("HOST", "USR", "PWD", "DBNAME"); $ivalue = 1; $res = $mysqli->multi_query("CALL myproc($ivalue, @x);SELECT @x"); if ($res) { $results = 0; do { if ($result = $mysqli->store_result()) { echo "<b>Result #$results</b>:<br/>"; while ($row = $result->fetch_row()) { foreach ($row as $cell) echo $cell, " "; } $result->close(); if ($mysqli->more_results()) echo "<br/>"; } } while ($mysqli->next_result()); } $mysqli->close();</code>
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