Sophie: php-manual-ro-0:20051028-1 noarch

php-manual-ro-20051028-1.noarch.rpm

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>&#13;    Values are returned by using the optional return statement. Any
    type may be returned, including lists and objects. This causes the
    function to end its execution immediately and pass control back to
    the line from which it was called. See <A
HREF="function.return.html"
><B
CLASS="function"
>return()</B
></A
>
    for more information.
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>Exemplu 12-10. Use of <A
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>return()</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">square</font><font color="#007700">(</font><font color="#0000BB">$num</font><font color="#007700">)<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return </font><font color="#0000BB">$num </font><font color="#007700">* </font><font color="#0000BB">$num</font><font color="#007700">;<br />}<br />echo </font><font color="#0000BB">square</font><font color="#007700">(</font><font color="#0000BB">4</font><font color="#007700">);&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// outputs '16'.<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;    You can't return multiple values from a function, but similar
    results can be obtained by returning a list.
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>Exemplu 12-11. Returning an array to get multiple values</B
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<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function </font><font color="#0000BB">small_numbers</font><font color="#007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return array (</font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br />}<br />list (</font><font color="#0000BB">$zero</font><font color="#007700">, </font><font color="#0000BB">$one</font><font color="#007700">, </font><font color="#0000BB">$two</font><font color="#007700">) = </font><font color="#0000BB">small_numbers</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;    To return a reference from a function, you have to use
    the reference operator &#38; in both the function declaration and
    when assigning the returned value to a variable:
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>Exemplu 12-12. Returning a reference from a function</B
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<font color="#0000BB">&lt;?php<br /></font><font color="#007700">function &amp;</font><font color="#0000BB">returns_reference</font><font color="#007700">()<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;return </font><font color="#0000BB">$someref</font><font color="#007700">;<br />}<br /><br /></font><font color="#0000BB">$newref </font><font color="#007700">=&amp; </font><font color="#0000BB">returns_reference</font><font color="#007700">();<br /></font><font color="#0000BB">?&gt;</font>
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>&#13;    For more information on references, please check out <A
HREF="language.references.html"
>References Explained</A
>.
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