Clarify meaning of $sql_param parameter

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@345970 c90b9560-bf6c-de11-be94-00142212c4b1

Author: cmb69

reference/sqlite3/sqlite3stmt/bindparam.xml

@@ -28,8 +28,11 @@
      <term><parameter>sql_param</parameter></term>
      <listitem>
       <para>
-       Either a <type>string</type> or an <type>int</type> identifying the statement variable to which the
-       parameter should be bound.
+       Either a <type>string</type> (for named parameters) or an <type>int</type>
+       (for positional parameters) identifying the statement variable to which the
+       value should be bound.
+       If a named parameter does not start with a colon, it is automatically preprended.
+       Positional parameters start with <literal>1</literal>.
       </para>
      </listitem>
     </varlistentry>

reference/sqlite3/sqlite3stmt/bindvalue.xml

@@ -32,8 +32,11 @@
      <term><parameter>sql_param</parameter></term>
      <listitem>
       <para>
-       Either a <type>string</type> or an <type>int</type> identifying the statement variable to which the
+       Either a <type>string</type> (for named parameters) or an <type>int</type>
+       (for positional parameters) identifying the statement variable to which the
        value should be bound.
+       If a named parameter does not start with a colon, it is automatically preprended.
+       Positional parameters start with <literal>1</literal>.
       </para>
      </listitem>
     </varlistentry>