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MySQLi ??? ?? ???? ???
? ??? ?? PHP ???? PHP? ?? ?? ???? ??? MySQLi ???? ?? ???? ???? ???? ? ?????

PHP? ?? ?? ???? ??? MySQLi ???? ?? ???? ???? ???? ? ?????

Dec 25, 2024 am 05:02 AM

How Can PHP's Argument Unpacking Operator Simplify Dynamic Parameter Binding in MySQLi Queries?

MySQLi ??? ?? ???? ???

PHP ????? ?? ????? MySQLi ??? ????? ?? ??? ?? ?????. ????? ?? ???? ?? ??? ???? ?? ???? ?? ???????. ? ?? ??? ?? ??? ??? ??? ???? ????.

???? PHP 5.6??? ?? ?? ???(...)?? ???? ?? ??? ??????. ? ??? ???? ???? ??? ?? ??? bind_param()? ??? ? ?? ??? ????? ????? ??????.

??? ????? MySQL? IN() ???? ? ??? ???? ??? ??? ???. :

// Array of values to search for
$array = ['a', 'b', 'c'];

// Dynamic SQL query with placeholders
$in    = str_repeat('?,', count($array) - 1) . '?'; // Results in "?,?,...?"
$sql   = "SELECT name FROM table WHERE city IN ($in)";
$stmt  = $mysqli->prepare($sql);

// Dynamically create type string
$types = str_repeat('s', count($array)); // Returns "sss..."

// Bind array using argument unpacking operator
$stmt->bind_param($types, ...$array);

// Execute query and fetch data
$stmt->execute();
$result = $stmt->get_result();
$data = $result->fetch_all(MYSQLI_ASSOC); // Fetch associative array data

? ??? ?? ?? ???(...$array)? $array? ?? ?? ????? ???? ??? ??? ????. ??.

?? ?? ?? ???? ?????? ???? MySQLi ???? ?? ?? ??? ?? ????? ???? ??? ? ????. ? ?? ??? ???? ??? ???? ???? ?? ?? ??? ?? ???? ?? ???? ?????.

? ??? PHP? ?? ?? ???? ??? MySQLi ???? ?? ???? ???? ???? ? ?????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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