mirror of
https://github.com/sigmasternchen/php-doc-en
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140 lines
3.7 KiB
XML
140 lines
3.7 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.61 -->
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<refentry xml:id='function.pg-escape-identifier' xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>pg_escape_identifier</refname>
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<refpurpose>
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Escape a identifier for insertion into a text field
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>string</type><methodname>pg_escape_identifier</methodname>
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<methodparam choice="opt"><type>PgSql\Connection</type><parameter>connection</parameter></methodparam>
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<methodparam><type>string</type><parameter>data</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>pg_escape_identifier</function> escapes a identifier
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(e.g. table, field names) for querying the database. It returns an
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escaped identifier string for PostgreSQL
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server. <function>pg_escape_identifier</function> adds double
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quotes before and after data. Users should not add double
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quotes. Use of this function is recommended for identifier
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parameters in query. For SQL literals (i.e. parameters except
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bytea), <function>pg_escape_literal</function>
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or <function>pg_escape_string</function> must be used. For bytea
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type fields, <function>pg_escape_bytea</function> must be used
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instead.
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</para>
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<note>
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<para>
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This function has internal escape code and can also be used with
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PostgreSQL 8.4 or less.
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</para>
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</note>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>connection</parameter></term>
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<listitem>
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&pgsql.parameter.connection-with-unspecified-default;
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>data</parameter></term>
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<listitem>
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<para>
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A <type>string</type> containing text to be escaped.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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A <type>string</type> containing the escaped data.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&pgsql.changelog.connection-object;
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>pg_escape_identifier</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// Connect to the database
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$dbconn = pg_connect('dbname=foo');
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// Escape the table name data
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$escaped = pg_escape_identifier($table_name);
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// Select rows from $table_name
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pg_query("SELECT * FROM {$escaped};");
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>pg_escape_literal</function></member>
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<member><function>pg_escape_bytea</function></member>
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<member><function>pg_escape_string</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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