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

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<sect1 id="language.function.if">
 <title>if,elseif,else</title>
 <para>
  l'instruction if dans Smarty dispose de la m<>me flexibilit<69> que l'instruction
  PHP du m<>me nom, avec quelques fonctionnalit<69>s suppl<70>mentaires pour le
  moteur de template. Tous les <emphasis>if</emphasis> doivent <20>tre
  utilis<69>s de pair avec un <emphasis>/if</emphasis>.
  <emphasis>else</emphasis> et <emphasis>elseif</emphasis> sont <20>galement
  des balises autoris<69>es. "eq", "ne","neq", "gt", "lt", "lte", "le",
  "gte" "ge","is even","is odd", "is not	even","is not odd","not","mod",
  "div by","even by","odd	by","==","!=","&gt;", "&lt;","&lt;=","&gt;=" sont tous
  des op<6F>rateurs conditionnels valides, et doivent obligatoirement <20>tre
  s<>par<61>s des autres <20>l<EFBFBD>ments par des espaces.
 </para>
 <para>
    La liste suivante pr<70>sente les op<6F>rateurs reconnus, qui doivent <20>tre entour<75>s d'espaces.
    Remarquez que les <20>l<EFBFBD>ments list<73>s entre [crochets] sont optionnels. Les <20>quivalents 
    PHP sont indiqu<71>s lorsque applicables.
 </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>Qualifier</entry>
              <entry>Alternates</entry>
              <entry>Syntax Example</entry>
              <entry>Meaning</entry>
              <entry>PHP Equivalent</entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry>==</entry>
              <entry>eq</entry>
              <entry>$a eq $b</entry>
              <entry>equals</entry>
              <entry>==</entry>
            </row>
            <row>
              <entry>!=</entry>
              <entry>ne, neq</entry>
               <entry>$a neq $b</entry>
               <entry>not equals</entry>
               <entry>!=</entry>
            </row>
            <row>
               <entry>&gt;</entry>
               <entry>gt</entry>
               <entry>$a gt $b</entry>
               <entry>greater than</entry>
               <entry>&gt;</entry>
            </row>
            <row>
               <entry>&lt;</entry>
               <entry>lt</entry>
               <entry>$a lt $b</entry>
               <entry>less than</entry>
               <entry>&lt;</entry>
            </row>
            <row>
               <entry>&gt;=</entry>
               <entry>gte, ge</entry>
               <entry>$a ge $b</entry>
               <entry>greater than or equal</entry>
               <entry>&gt;=</entry>
           </row>
           <row>
               <entry>&lt;=</entry>
               <entry>lte, le</entry>
               <entry>$a le $b</entry>
               <entry>less than or equal</entry>
               <entry>&lt;=</entry>
           </row>
           <row>
               <entry>!</entry>
               <entry>not</entry>
               <entry>not $a</entry>
               <entry>negation (unary)</entry>
               <entry>!</entry>
           </row>
           <row>
               <entry>%</entry>
               <entry>mod</entry>
               <entry>$a mod $b</entry>
               <entry>modulous</entry>
               <entry>%</entry>
           </row>
           <row>
              <entry>is [not] div by</entry>
              <entry></entry>
              <entry>$a is not div by 4</entry>
              <entry>divisible by</entry>
              <entry>$a % $b == 0</entry>
           </row>
            <row>
              <entry>is [not] even</entry>
              <entry></entry>
              <entry>$a is not even</entry>
              <entry>[not] an even number (unary)</entry>
              <entry>$a % 2 == 0</entry>
           </row>
           <row>
              <entry>is [not] even by</entry>
              <entry></entry>
              <entry>$a is not even by $b</entry>
              <entry>grouping level [not] even</entry>
              <entry>($a / $b) % 2 == 0</entry>
           </row>
           <row>
              <entry>is [not] odd</entry>
              <entry></entry>
              <entry>$a is not odd</entry>
              <entry>[not] an odd number (unary)</entry>
              <entry>$a % 2 != 0</entry>
           </row>
           <row>
              <entry>is [not] odd by</entry>
              <entry></entry>
              <entry>$a is not odd by $b</entry>
              <entry>[not] an odd grouping</entry>
              <entry>($a / $b) % 2 != 0</entry>
           </row>
        </tbody>
	</tgroup>
</informaltable>
 <example>
  <title>Instruction if</title>
<programlisting>
{if $name eq "Fred"}
	Bienvenue, Monsieur.
{elseif $name eq "Wilma"}
	Bienvenue m'dame.
{else}
	Bienvenue, qui que vous soyez.
{/if}

{* Un exemple avec l'op<6F>rateur or *}
{if $name eq "Fred" or $name eq "Wilma"}
	...
{/if}

{* m<>me chose que ci-dessus *}
{if $name == "Fred" || $name == "Wilma"}
	...
{/if}

{* l'exemple suivant NE fonctionne PAS, les op<6F>rateurs
   doivent <20>tre entour<75>s d'espaces. *}
{if $name=="Fred" || $name=="Wilma"}
	...
{/if}


{* les parenth<74>ses sont autoris<69>es *}
{if ( $amount &lt; 0 or $amount &gt; 1000 ) and $volume &gt;= #minVolAmt#}
	...
{/if}

{* vous pouvez <20>galement faire appel aux fonctions PHP *}
{if count($var) gt 0}
	...
{/if}

{* teste si les valeurs sont paires(even) ou impaires(odd) *}
{if $var is even}
	...
{/if}
{if $var is odd}
	...
{/if}
{if $var is not odd}
	...
{/if}

{* teste si la variable est divisble par 4 *}
{if $var is div by 4}
	...
{/if}

{* teste si la variable est paire, par groupe de deux i.e.,
0=paire, 1=paire, 2=impaire, 3=impaire, 4=paire, 5=paire, etc. *}
{if $var is even by 2}
	...
{/if}

{* 0=paire, 1=paire, 2=paire, 3=impaire, 4=impaire, 5=impaire, etc. *}
{if $var is even by 3}
	...
{/if}</programlisting>
 </example>
</sect1>
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