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PHP/MySQL Null ? ??
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mysqli ? Ready ?? ???
? ??? ?? PHP ???? PHP? ???? MySQL ??????? Null ?? ???? ??? ??????

PHP? ???? MySQL ??????? Null ?? ???? ??? ??????

Nov 04, 2024 am 10:35 AM

How to Insert Null Values into a MySQL Database with PHP?

PHP/MySQL Null ? ??

MySQL ??????? Null ?? ???? ?? ???? ? ???, ?? mysql_query()? ?? ??? PHP ??? ???? ?? ?? ?????.

mysql_query()? ???? null ?? ?? ????? ?? null ?? ???? ??? ??? ? ????. ???????? ?????? ???? ??? ???? ?????.

???: ??? ?

? ??? ????? ??? ?? ?? ???? ?? ????. ??? ?? ???? null ?? ???? ????? ?? ??? ?? ??? ???? ????.

MySQL? ??

INSERT INTO table2 (f1, f2) VALUES ('String Value', NULL);

??? null? ?? ?? ???? ?? ???? ?????? ????? ??? ???? ???.

INSERT INTO table2 (f1, f2) VALUES ('String Value', 'String Value');

mysqli ? Ready ?? ???

??? MySQLi ? ??? ???? ???? null ?? ???? ????.

<code class="php">$stmt = $mysqli->prepare("INSERT INTO table2 (f1, f2) VALUES (?, ?)");
$stmt->bind_param('ss', $field1, $field2);

$field1 = "String Value";
$field2 = null;

$stmt->execute();</code>

??? ???? ???? ??? ??????? ??? ??? ???? ???? ???? ??? ??? ?????. ????? ????? ?????? ?? ? null ?? ?? ?? ??? ? ????.

? ??? PHP? ???? MySQL ??????? Null ?? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!

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