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<h1 class="refname">oci_connect</h1>
<p class="verinfo">(PHP 5, PECL OCI8 >= 1.1.0)</p><p class="refpurpose"><span class="refname">oci_connect</span> — <span class="dc-title">Connect to an Oracle database</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.oci-connect-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>oci_connect</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$connection_string</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$character_set</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$session_mode</code></span>
]]] )</div>
<p class="para rdfs-comment">
Returns a connection identifier needed for most other OCI8 operations.
</p>
<p class="para">
See <a href="oci8.connection.html" class="link">Connection Handling</a> for
general information on connection management and connection
pooling.
</p>
<p class="para">
From PHP 5.1.2 (PECL OCI8 1.1) <span class="function"><a href="function.oci-close.html" class="function">oci_close()</a></span> can
be used to close the connection.
</p>
<p class="para">
The second and subsequent calls to <span class="function"><strong>oci_connect()</strong></span>
with the same parameters will return the connection handle returned
from the first call. This means that transactions in one handle are
also in the other handles, because they use the
<em class="emphasis">same</em> underlying database connection. If two
handles need to be transactionally isolated from each other, use
<span class="function"><a href="function.oci-new-connect.html" class="function">oci_new_connect()</a></span> instead.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.oci-connect-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">username</code></em></span>
<dd>
<p class="para">
The Oracle user name.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">password</code></em></span>
<dd>
<p class="para">
The password for <em><code class="parameter">username</code></em>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">connection_string</code></em></span>
<dd>
<p class="para">Contains
the <em>Oracle instance</em> to connect to. It can be
an <a href="http://download.oracle.com/docs/cd/E11882_01/network.112/e10836/naming.htm" class="link external">» Easy Connect
string</a>, or a Connect Name from
the <var class="filename">tnsnames.ora</var> file, or the name of a local
Oracle instance.
</p>
<p class="para">If not specified, PHP uses
environment variables such as <strong><code>TWO_TASK</code></strong> (on Linux)
or <strong><code>LOCAL</code></strong> (on Windows)
and <strong><code>ORACLE_SID</code></strong> to determine the
<em>Oracle instance</em> to connect to.
</p>
<p class="para">
To use the Easy Connect naming method, PHP must be linked with Oracle
10<em class="emphasis">g</em> or greater Client libraries. The Easy Connect string for Oracle
10<em class="emphasis">g</em> is of the form:
<em class="emphasis">[//]host_name[:port][/service_name]</em>. From Oracle
11<em class="emphasis">g</em>, the syntax is:
<em class="emphasis">[//]host_name[:port][/service_name][:server_type][/instance_name]</em>.
Service names can be found by running the Oracle
utility <em>lsnrctl status</em> on the database server
machine.
</p>
<p class="para">
The <var class="filename">tnsnames.ora</var> file can be in the Oracle Net
search path, which
includes <var class="filename">$ORACLE_HOME/network/admin</var>
and <var class="filename">/etc</var>. Alternatively
set <em>TNS_ADMIN</em> so
that <var class="filename">$TNS_ADMIN/tnsnames.ora</var> is read. Make sure
the web daemon has read access to the file.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">character_set</code></em></span>
<dd>
<p class="para">Determines
the character set used by the Oracle Client libraries. The character
set does not need to match the character set used by the database. If
it doesn't match, Oracle will do its best to convert data to and from
the database character set. Depending on the character sets this may
not give usable results. Conversion also adds some time overhead.
</p>
<p class="para">If not specified, the
Oracle Client libraries determine a character set from
the <strong><code>NLS_LANG</code></strong> environment variable.
</p>
<p class="para">Passing this parameter can
reduce the time taken to connect.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">session_mode</code></em></span>
<dd>
<p class="para">This
parameter is available since version PHP 5 (PECL OCI8 1.1) and accepts the
following values: <strong><code>OCI_DEFAULT</code></strong>,
<strong><code>OCI_SYSOPER</code></strong> and <strong><code>OCI_SYSDBA</code></strong>.
If either <strong><code>OCI_SYSOPER</code></strong> or
<strong><code>OCI_SYSDBA</code></strong> were specified, this function will try
to establish privileged connection using external credentials.
Privileged connections are disabled by default. To enable them you
need to set <a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a>
to <em>On</em>.
</p>
<p class="para">
PHP 5.3 (PECL OCI8 1.3.4) introduced the
<strong><code>OCI_CRED_EXT</code></strong> mode value. This tells Oracle to use
External or OS authentication, which must be configured in the
database. The <strong><code>OCI_CRED_EXT</code></strong> flag can only be used
with username of "/" and a empty password.
<a href="oci8.configuration.html#ini.oci8.privileged-connect" class="link">oci8.privileged_connect</a>
may be <em>On</em> or <em>Off</em>.
</p>
<p class="para">
<strong><code>OCI_CRED_EXT</code></strong> may be combined with the
<strong><code>OCI_SYSOPER</code></strong> or
<strong><code>OCI_SYSDBA</code></strong> modes.
</p>
<p class="para">
<strong><code>OCI_CRED_EXT</code></strong> is not supported on Windows for
security reasons.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.oci-connect-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns a connection identifier or <strong><code>FALSE</code></strong> on error.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.oci-connect-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-1962">
<p><strong>Example #1 Basic <span class="function"><strong>oci_connect()</strong></span> using Easy Connect syntax</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// Connects to the XE service (i.e. database) on the "localhost" machine<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT * FROM employees'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"<table border='1'>\n"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"<tr>\n"</span><span style="color: #007700">;<br /> foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">" <td>" </span><span style="color: #007700">. (</span><span style="color: #0000BB">$item </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">? </span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">) : </span><span style="color: #DD0000">"&nbsp;"</span><span style="color: #007700">) . </span><span style="color: #DD0000">"</td>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-1963">
<p><strong>Example #2 Basic <span class="function"><strong>oci_connect()</strong></span> using a Network Connect name</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">// Connects to the MYDB database described in tnsnames.ora file,<br />// One example tnsnames.ora entry for MYDB could be:<br />// MYDB =<br />// (DESCRIPTION =<br />// (ADDRESS = (PROTOCOL = TCP)(HOST = mymachine.oracle.com)(PORT = 1521))<br />// (CONNECT_DATA =<br />// (SERVER = DEDICATED)<br />// (SERVICE_NAME = XE)<br />// )<br />// )<br /><br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'MYDB'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT * FROM employees'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"<table border='1'>\n"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"<tr>\n"</span><span style="color: #007700">;<br /> foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">" <td>" </span><span style="color: #007700">. (</span><span style="color: #0000BB">$item </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">? </span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">) : </span><span style="color: #DD0000">"&nbsp;"</span><span style="color: #007700">) . </span><span style="color: #DD0000">"</td>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-1964">
<p><strong>Example #3 <span class="function"><strong>oci_connect()</strong></span> with an explicit character set</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">, </span><span style="color: #DD0000">'AL32UTF8'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_error</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">trigger_error</span><span style="color: #007700">(</span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$e</span><span style="color: #007700">[</span><span style="color: #DD0000">'message'</span><span style="color: #007700">], </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">), </span><span style="color: #0000BB">E_USER_ERROR</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #0000BB">$stid </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'SELECT * FROM employees'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #DD0000">"<table border='1'>\n"</span><span style="color: #007700">;<br />while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stid</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_ASSOC</span><span style="color: #007700">+</span><span style="color: #0000BB">OCI_RETURN_NULLS</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"<tr>\n"</span><span style="color: #007700">;<br /> foreach (</span><span style="color: #0000BB">$row </span><span style="color: #007700">as </span><span style="color: #0000BB">$item</span><span style="color: #007700">) {<br /> echo </span><span style="color: #DD0000">" <td>" </span><span style="color: #007700">. (</span><span style="color: #0000BB">$item </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">? </span><span style="color: #0000BB">htmlentities</span><span style="color: #007700">(</span><span style="color: #0000BB">$item</span><span style="color: #007700">, </span><span style="color: #0000BB">ENT_QUOTES</span><span style="color: #007700">) : </span><span style="color: #DD0000">"&nbsp;"</span><span style="color: #007700">) . </span><span style="color: #DD0000">"</td>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</tr>\n"</span><span style="color: #007700">;<br />}<br />echo </span><span style="color: #DD0000">"</table>\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
<p class="para">
<div class="example" id="example-1965">
<p><strong>Example #4 Using multiple calls to <span class="function"><strong>oci_connect()</strong></span></strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br />$c1 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"hr"</span><span style="color: #007700">, </span><span style="color: #DD0000">"welcome"</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$c2 </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"hr"</span><span style="color: #007700">, </span><span style="color: #DD0000">"welcome"</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Both $c1 and $c2 show the same PHP resource id meaning they use the<br />// same underlying database connection<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">"c1 is </span><span style="color: #0000BB">$c1</span><span style="color: #DD0000"><br>\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"c2 is </span><span style="color: #0000BB">$c2</span><span style="color: #DD0000"><br>\n"</span><span style="color: #007700">;<br /><br />function </span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"create table hallo (test varchar2(64))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"Created table<br>\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"drop table hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"Dropped table<br>\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$connname</span><span style="color: #007700">, </span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"insert into hallo<br /> values(to_char(sysdate,'DD-MON-YY HH24:MI:SS'))"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$connname</span><span style="color: #DD0000"> inserted row without committing<br>\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$connname</span><span style="color: #007700">, </span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">oci_rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$connname</span><span style="color: #DD0000"> rollback<br>\n"</span><span style="color: #007700">;<br />}<br /><br />function </span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #0000BB">$connname</span><span style="color: #007700">, </span><span style="color: #0000BB">$conn</span><span style="color: #007700">)<br />{<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"select * from hallo"</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #0000BB">OCI_DEFAULT</span><span style="color: #007700">);<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$connname</span><span style="color: #DD0000"> ----selecting<br>\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">oci_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">" " </span><span style="color: #007700">. </span><span style="color: #0000BB">oci_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">, </span><span style="color: #DD0000">"TEST"</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br>\n"</span><span style="color: #007700">;<br /> }<br /> echo </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$connname</span><span style="color: #DD0000"> ----done<br>\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">create_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c1'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c1</span><span style="color: #007700">); </span><span style="color: #FF8000">// Insert a row using c1<br /></span><span style="color: #0000BB">sleep</span><span style="color: #007700">(</span><span style="color: #0000BB">2</span><span style="color: #007700">); </span><span style="color: #FF8000">// sleep to show a different timestamp for the 2nd row<br /></span><span style="color: #0000BB">insert_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c2'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c2</span><span style="color: #007700">); </span><span style="color: #FF8000">// Insert a row using c2<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c1'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c1</span><span style="color: #007700">); </span><span style="color: #FF8000">// Results of both inserts are returned<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c2'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c2</span><span style="color: #007700">); </span><span style="color: #FF8000">// Results of both inserts are returned<br /><br /></span><span style="color: #0000BB">rollback</span><span style="color: #007700">(</span><span style="color: #DD0000">'c1'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c1</span><span style="color: #007700">); </span><span style="color: #FF8000">// Rollback using c1<br /><br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c1'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c1</span><span style="color: #007700">); </span><span style="color: #FF8000">// Both inserts have been rolled back<br /></span><span style="color: #0000BB">select_data</span><span style="color: #007700">(</span><span style="color: #DD0000">'c2'</span><span style="color: #007700">, </span><span style="color: #0000BB">$c2</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">drop_table</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Closing one of the connections makes the PHP variable unusable, but<br />// the other could be used<br /></span><span style="color: #0000BB">oci_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$c1</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"c1 is </span><span style="color: #0000BB">$c1</span><span style="color: #DD0000"><br>\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #DD0000">"c2 is </span><span style="color: #0000BB">$c2</span><span style="color: #DD0000"><br>\n"</span><span style="color: #007700">;<br /><br /><br /></span><span style="color: #FF8000">// Output is:<br />// c1 is Resource id #5<br />// c2 is Resource id #5<br />// Created table<br />// c1 inserted row without committing<br />// c2 inserted row without committing<br />// c1 ----selecting<br />// 09-DEC-09 12:14:43<br />// 09-DEC-09 12:14:45<br />// c1 ----done<br />// c2 ----selecting<br />// 09-DEC-09 12:14:43<br />// 09-DEC-09 12:14:45<br />// c2 ----done<br />// c1 rollback<br />// c1 ----selecting<br />// c1 ----done<br />// c2 ----selecting<br />// c2 ----done<br />// Dropped table<br />// c1 is <br />// c2 is Resource id #5<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.oci-connect-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
An incorrectly installed or configured OCI8 extension will often
manifest itself as a connection problem or error.
See <a href="oci8.setup.html" class="link">Installing/Configuring</a> for
troubleshooting information.
</p>
</p></blockquote>
</div>
<div class="refsect1 seealso" id="refsect1-function.oci-connect-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.oci-pconnect.html" class="function" rel="rdfs-seeAlso">oci_pconnect()</a> - Connect to an Oracle database using a persistent connection</span></li>
<li class="member"> <span class="function"><a href="function.oci-new-connect.html" class="function" rel="rdfs-seeAlso">oci_new_connect()</a> - Connect to the Oracle server using a unique connection</span></li>
<li class="member"> <span class="function"><a href="function.oci-close.html" class="function" rel="rdfs-seeAlso">oci_close()</a> - Closes an Oracle connection</span></li>
</ul>
</p>
</div>
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