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Added some examples to the MySQL docs.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@17151 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Egon Schmid 1999-12-13 22:32:27 +00:00
parent b0ef928342
commit 2a56b4f1b9
1 changed files with 75 additions and 0 deletions
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75
functions/mysql.xml
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@ -116,6 +116,18 @@
<function>mysql_close</function> will not close persistent links
generated by <function>mysql_pconnect</function>.
</para>
<example>
<title>MySQL close example</title>
<programlisting role="php">
&lt;?php
$link = mysql_connect ("kraemer", "marliesle", "secret") {
or die ("Could not connect");
}
print ("Connected successfully");
mysql_close ($link);
?>
</programlisting>
</example>
<para>
See also: <function>mysql_connect</function>, and
<function>mysql_pconnect</function>.
@ -186,6 +198,18 @@
the script ends, unless it's closed earlier by explicitly calling
<function>mysql_close</function>.
</para>
<example>
<title>MySQL connect example</title>
<programlisting role="php">
&lt;?php
$link = mysql_connect ("kraemer", "marliesle", "secret") {
or die ("Could not connect");
}
print ("Connected successfully");
mysql_close ($link);
?>
</programlisting>
</example>
<para> See also
<function>mysql_pconnect</function>, and
<function>mysql_close</function>.
@ -214,6 +238,21 @@
database on the server associated with the specified link
identifier.
</para>
<example>
<title>MySQL create database example</title>
<programlisting role="php">
&lt;?php
$link = mysql_pconnect ("kron", "jutta", "geheim") {
or die ("Could not connect");
}
if (mysql_create_db ("my_db")) {
print ("Database created successfully\n");
} else {
printf ("Error creating database: %s\n", mysql_error ());
}
?>
</programlisting>
</example>
<para>
See also: <function>mysql_drop_db</function>. For downwards
compatibility <function>mysql_createdb</function> can also be
@ -246,6 +285,42 @@
<para>
<parameter>Row_number</parameter> starts at 0.
</para>
<example>
<title>MySQL data seek example</title>
<programlisting role="php">
&lt;?php
$link = mysql_pconnect ("kron", "jutta", "geheim") {
or die ("Could not connect");
}
mysql_select_db ("samp_db") {
or die ("Could not select database");
}
$query = "SELECT last_name, first_name FROM friends";
$result = mysql_query ($query) {
or die ("Query failed");
}
# fetch rows in reverse order
for ($i = mysql_num_rows ($result) - 1; $i >=0; $i--) {
if (!mysql_data_seek ($result, $i)) {
printf ("Cannot seek to row %d\n", $i);
continue;
}
if(!($row = mysql_fetch_object ($result)))
continue;
printf ("%s %s&lt;BR>\n", $row->last_name, $row->first_name);
}
mysql_free_result ($result);
?>
</programlisting>
</example>
</refsect1>
</refentry>