smarty/docs/ru/designers/language-builtin-functions/language-function-if.xml

<?xml version="1.0" encoding="windows-1251"?>
<!-- $Revision$ -->
<!-- EN-Revision: 1.9 Maintainer: freespace Status: ready -->
<sect1 id="language.function.if">
 <title>{if},{elseif},{else}</title>
 <para>
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <emphasis>{if}</emphasis> <20> Smarty <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20>
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <ulink url="&url.php-manual;if"><command>if</command></ulink> <20> PHP,
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <emphasis>{if}</emphasis> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
  <emphasis>{/if}</emphasis>. <emphasis>{else}</emphasis> <20>
  <emphasis>{elseif}</emphasis> <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <20><> PHP, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <emphasis>||</emphasis>, <emphasis>or</emphasis>,
  <emphasis>&amp;&amp;</emphasis>, <emphasis>and</emphasis>,
  <emphasis>is_array()</emphasis> <20> <20>.<2E>.
 </para>
 
 <para>
  <20><><EFBFBD><EFBFBD> <link linkend="variable.security">$security</link> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
  <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <emphasis>IF_FUNCS</emphasis> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <link
  linkend="variable.security.settings">$security_settings</link>.
 </para>
 
 <para>
  <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD>
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> [<5B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>] <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> PHP.
 </para>
 
 <informaltable frame="all">
  <tgroup cols="4">
   <colspec colname="qualifier" align="center" />
   <colspec colname="alternates" align="center" />
   <colspec colname="meaning" />
   <colspec colname="example" />
   <colspec colname="php" />
   <thead>
    <row>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> PHP</entry>
    </row>
   </thead>
   <tbody>
    <row>
     <entry>==</entry>
     <entry>eq</entry>
     <entry>$a eq $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>==</entry>
    </row>
    <row>
     <entry>!=</entry>
     <entry>ne, neq</entry>
     <entry>$a neq $b</entry>
     <entry><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>!=</entry>
    </row>
    <row>
     <entry>&gt;</entry>
     <entry>gt</entry>
     <entry>$a gt $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>&gt;</entry>
    </row>
    <row>
     <entry>&lt;</entry>
     <entry>lt</entry>
     <entry>$a lt $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>&lt;</entry>
    </row>
    <row>
     <entry>&gt;=</entry>
     <entry>gte, ge</entry>
     <entry>$a ge $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>&gt;=</entry>
    </row>
    <row>
     <entry>&lt;=</entry>
     <entry>lte, le</entry>
     <entry>$a le $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>&lt;=</entry>
    </row>
    <row>
     <entry>===</entry>
     <entry></entry>
     <entry>$a === 0</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>===</entry>
    </row>
    <row>
     <entry>!</entry>
     <entry>not</entry>
     <entry>not $a</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>!</entry>
    </row>
    <row>
     <entry>%</entry>
     <entry>mod</entry>
     <entry>$a mod $b</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>%</entry>
    </row>
    <row>
     <entry>is [not] div by</entry>
     <entry></entry>
     <entry>$a is not div by 4</entry>
     <entry><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>$a % $b == 0</entry>
    </row>
    <row>
     <entry>is [not] even</entry>
     <entry></entry>
     <entry>$a is not even</entry>
     <entry>[<5B><>]<5D><><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>$a % 2 == 0</entry>
    </row>
    <row>
      <entry>is [not] even by</entry>
      <entry></entry>
      <entry>$a is not even by $b</entry>
      <entry>[<5B><>]<5D><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
      <entry>($a / $b) % 2 == 0</entry>
    </row>
    <row>
     <entry>is [not] odd</entry>
     <entry></entry>
     <entry>$a is not odd</entry>
     <entry>[<5B><>]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>$a % 2 != 0</entry>
    </row>
    <row>
     <entry>is [not] odd by</entry>
     <entry></entry>
     <entry>$a is not odd by $b</entry>
     <entry>[<5B><>]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></entry>
     <entry>($a / $b) % 2 != 0</entry>
    </row>
   </tbody>
  </tgroup>
 </informaltable>
 
 <example>
  <title><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> {if}</title>
  <programlisting>
<![CDATA[
{if $name eq 'Fred'}
	Welcome Sir.
{elseif $name eq 'Wilma'}
    Welcome Ma'am.
{else}
    Welcome, whatever you are.
{/if}

{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> "<22><><EFBFBD>" *}
{if $name eq 'Fred' or $name eq 'Wilma'}
	...
{/if}

{* <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD> *}
{if $name == 'Fred' || $name == 'Wilma'}
	...
{/if}

{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{if ( $amount < 0 or $amount > 1000 ) and $volume >= #minVolAmt#}
	...
{/if}

{* <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> php *}
{if count($var) gt 0}
	...
{/if}

{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{if is_array($foo) }
 ...
{/if}
  	 
{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{if isset($foo) }
 ...
{/if}

{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{if $var is even}
	...
{/if}
{if $var is odd}
	...
{/if}
{if $var is not odd}
	...
{/if}

{* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> $var <20><> 4 <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{if $var is div by 4}
	...
{/if}

{*
  <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> $var <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  0=<3D><><EFBFBD><EFBFBD><EFBFBD>, 1=<3D><><EFBFBD><EFBFBD><EFBFBD>, 2=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 3=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 4=<3D><><EFBFBD><EFBFBD><EFBFBD>, 5=<3D><><EFBFBD><EFBFBD><EFBFBD> <20> <20>.<2E>.
*}
{if $var is even by 2}
	...
{/if}

{* 0=<3D><><EFBFBD><EFBFBD><EFBFBD>, 1=<3D><><EFBFBD><EFBFBD><EFBFBD>, 2=<3D><><EFBFBD><EFBFBD><EFBFBD>, 3=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 4=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 5=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20>.<2E>. *}
{if $var is even by 3}
	...
{/if}
]]>
  </programlisting>
 </example>
 
 <example>
   <title><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> {if}</title>
   <programlisting>
<![CDATA[
{if isset($name) && $name = 'Blog'}
    {* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{elseif $name == $foo}
    {* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> *}
{/if}

{if is_array($foo) && count($foo) > 0)
    {* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> foreach *}
{/if}
]]>
  </programlisting>
 </example>

</sect1>
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