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Updating mysqli: bind_result (#770)

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Kamil Tekiela 2021-08-06 13:59:30 +01:00 committed by GitHub
parent c85c9d1d44
commit 48f0bac7fd
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1 changed files with 36 additions and 51 deletions
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87
reference/mysqli/mysqli_stmt/bind-result.xml
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@ -30,20 +30,31 @@
MySQL client/server protocol places the data for the bound columns into
the specified variables <parameter>var</parameter>/<parameter>vars</parameter>.
</para>
<para>
A column can be bound or rebound at any time, even after a result set has
been partially retrieved. The new binding takes effect the next time
<function>mysqli_stmt_fetch</function> is called.
</para>
<note>
<para>
Note that all columns must be bound after
All columns must be bound after
<function>mysqli_stmt_execute</function> and prior to calling
<function>mysqli_stmt_fetch</function>.
</para>
</note>
<note>
<para>
Depending on column types bound variables can silently change to the
corresponding PHP type.
</para>
<para>
A column can be bound or rebound at any time, even after a result set has
been partially retrieved. The new binding takes effect the next time
<function>mysqli_stmt_fetch</function> is called.
</para>
</note>
<tip>
<para>
This functions is useful for simple results. To retrieve iterable result
set, or fetch each row as an array or object,
use <function>mysqli_stmt_get_result</function>.
</para>
</tip>
</refsect1>
<refsect1 role="parameters">
@ -85,32 +96,21 @@
<programlisting role="php">
<![CDATA[
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* prepare statement */
if ($stmt = $mysqli->prepare("SELECT Code, Name FROM Country ORDER BY Name LIMIT 5")) {
$stmt->execute();
$stmt = $mysqli->prepare("SELECT Code, Name FROM Country ORDER BY Name LIMIT 5");
$stmt->execute();
/* bind variables to prepared statement */
$stmt->bind_result($col1, $col2);
/* bind variables to prepared statement */
$stmt->bind_result($col1, $col2);
/* fetch values */
while ($stmt->fetch()) {
printf("%s %s\n", $col1, $col2);
}
/* close statement */
$stmt->close();
/* fetch values */
while ($stmt->fetch()) {
printf("%s %s\n", $col1, $col2);
}
/* close connection */
$mysqli->close();
?>
]]>
</programlisting>
</example>
@ -119,36 +119,24 @@ $mysqli->close();
<programlisting role="php">
<![CDATA[
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (!$link) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
/* prepare statement */
if ($stmt = mysqli_prepare($link, "SELECT Code, Name FROM Country ORDER BY Name LIMIT 5")) {
mysqli_stmt_execute($stmt);
$stmt = mysqli_prepare($link, "SELECT Code, Name FROM Country ORDER BY Name LIMIT 5");
mysqli_stmt_execute($stmt);
/* bind variables to prepared statement */
mysqli_stmt_bind_result($stmt, $col1, $col2);
/* bind variables to prepared statement */
mysqli_stmt_bind_result($stmt, $col1, $col2);
/* fetch values */
while (mysqli_stmt_fetch($stmt)) {
printf("%s %s\n", $col1, $col2);
}
/* close statement */
mysqli_stmt_close($stmt);
/* fetch values */
while (mysqli_stmt_fetch($stmt)) {
printf("%s %s\n", $col1, $col2);
}
/* close connection */
mysqli_close($link);
?>
]]>
</programlisting>
&examples.outputs;
&examples.outputs.similar;
<screen>
<![CDATA[
AFG Afghanistan
@ -171,9 +159,6 @@ AND Andorra
<member><function>mysqli_stmt_fetch</function></member>
<member><function>mysqli_prepare</function></member>
<member><function>mysqli_stmt_prepare</function></member>
<member><function>mysqli_stmt_init</function></member>
<member><function>mysqli_stmt_errno</function></member>
<member><function>mysqli_stmt_error</function></member>
</simplelist>
</para>
</refsect1>