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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.oci-parse" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>oci_parse</refname>
<refpurpose>Prepares an Oracle statement for execution</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>resource</type><methodname>oci_parse</methodname>
<methodparam><type>resource</type><parameter>connection</parameter></methodparam>
<methodparam><type>string</type><parameter>sql_text</parameter></methodparam>
</methodsynopsis>
<para>
Prepares <parameter>sql_text</parameter> using
<parameter>connection</parameter> and returns the statement identifier,
which can be used with <function>oci_bind_by_name</function>,
<function>oci_execute</function> and other functions.
</para>
<para>
Statement identifiers can be freed
with <function>oci_free_statement</function> or by setting the
variable to <constant>null</constant>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>connection</parameter></term>
<listitem>
<para>
An Oracle connection identifier, returned by
<function>oci_connect</function>, <function>oci_pconnect</function>, or <function>oci_new_connect</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>sql_text</parameter></term>
<listitem>
<para>
The SQL or PL/SQL statement.
</para>
<para>
SQL statements <emphasis>should not</emphasis> end with a
semi-colon (";"). PL/SQL
statements <emphasis>should</emphasis> end with a semi-colon
(";").
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a statement handle on success, or &false; on error.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>oci_parse</function> example for SQL statements</title>
<programlisting role="php">
<![CDATA[
<?php
$conn = oci_connect('hr', 'welcome', 'localhost/XE');
// Parse the statement. Note there is no final semi-colon in the SQL statement
$stid = oci_parse($conn, 'SELECT * FROM employees');
oci_execute($stid);
echo "<table border='1'>\n";
while ($row = oci_fetch_array($stid, OCI_ASSOC+OCI_RETURN_NULLS)) {
echo "<tr>\n";
foreach ($row as $item) {
echo " <td>" . ($item !== null ? htmlentities($item, ENT_QUOTES) : " ") . "</td>\n";
}
echo "</tr>\n";
}
echo "</table>\n";
?>
]]>
</programlisting>
</example>
</para>
<para>
<example>
<title><function>oci_parse</function> example for PL/SQL statements</title>
<programlisting role="php">
<![CDATA[
<?php
/*
Before running the PHP program, create a stored procedure in
SQL*Plus or SQL Developer:
CREATE OR REPLACE PROCEDURE myproc(p1 IN NUMBER, p2 OUT NUMBER) AS
BEGIN
p2 := p1 * 2;
END;
*/
$conn = oci_connect('hr', 'welcome', 'localhost/XE');
if (!$conn) {
$e = oci_error();
trigger_error(htmlentities($e['message'], ENT_QUOTES), E_USER_ERROR);
}
$p1 = 8;
// When parsing PL/SQL programs, there should be a final semi-colon in the string
$stid = oci_parse($conn, 'begin myproc(:p1, :p2); end;');
oci_bind_by_name($stid, ':p1', $p1);
oci_bind_by_name($stid, ':p2', $p2, 40);
oci_execute($stid);
print "$p2\n"; // prints 16
oci_free_statement($stid);
oci_close($conn);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
<note>
<para>
This function <emphasis>does not</emphasis> validate
<parameter>sql_text</parameter>. The only way to find out if
<parameter>sql_text</parameter> is a valid SQL or PL/SQL statement
is to execute it.
</para>
</note>
<note>
<para>
In PHP versions before 5.0.0 use <function>ociparse</function>
instead. &oci.name.compat.note;
</para>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>oci_execute</function></member>
<member><function>oci_free_statement</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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