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authorEric Barnes <eric@ericlbarnes.com>2011-11-27 06:30:22 +0100
committerEric Barnes <eric@ericlbarnes.com>2011-11-27 06:30:22 +0100
commit7e66dda705743cbfe1d522ddb73e5694006ec42c (patch)
treec08b63deb28c09ec49d9173280f1ca234debfe50 /user_guide/database/call_function.html
parent7eceb03f083643254c7393c6b5ebe539e344a1ba (diff)
parente101593561a10632c1d63180436b19f1d7115046 (diff)
Merge branch 'refs/heads/develop' into feature/unit-tests
Conflicts: user_guide/helpers/number_helper.html
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-<h1>Custom Function Calls</h1>
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-<h2>$this->db->call_function();</h2>
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-<p>This function enables you to call PHP database functions that are not natively included in CodeIgniter, in a platform independent manner.
-For example, lets say you want to call the <dfn>mysql_get_client_info()</dfn> function, which is <strong>not</strong> natively supported
-by CodeIgniter. You could do so like this:
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-<code>$this->db->call_function('<var>get_client_info</var>');</code>
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-<p>You must supply the name of the function, <strong>without</strong> the <var>mysql_</var> prefix, in the first parameter. The prefix is added
-automatically based on which database driver is currently being used. This permits you to run the same function on different database platforms.
-Obviously not all function calls are identical between platforms, so there are limits to how useful this function can be in terms of portability.</p>
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-<p>Any parameters needed by the function you are calling will be added to the second parameter.</p>
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-<code>$this->db->call_function('<var>some_function</var>', $param1, $param2, etc..);</code>
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-<p>Often, you will either need to supply a database connection ID or a database result ID. The connection ID can be accessed using:</p>
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-<code>$this->db->conn_id;</code>
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-<p>The result ID can be accessed from within your result object, like this:</p>
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-<code>$query = $this->db->query("SOME QUERY");<br />
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-<var>$query->result_id;</var></code>
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