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PHP/Functions/func num args - История изменений
2026-04-04T22:42:02Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/Functions/func_num_args&diff=680&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:28Z
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http://wbex.ru/index.php?title=PHP/Functions/func_num_args&diff=681&oldid=prev
Admin: 1 версия
2010-05-26T07:04:57Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Accessing function parameters without using the argument list==<br />
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<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
function mean() {<br />
$sum = 0;<br />
$size = func_num_args();<br />
for ($i = 0; $i < $size; $i++) {<br />
$sum += func_get_arg($i);<br />
}<br />
$average = $sum / $size;<br />
return $average;<br />
}<br />
$mean = mean(96, 93, 97);<br />
?><br />
<br />
</source><br />
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==Get parameter count from func_num_args ()==<br />
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<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
function addNums() {<br />
$ret = "<table>";<br />
for ($x=0; $x<func_num_args (); $x++) {<br />
$arg = func_get_arg ($x);<br />
$result += $arg;<br />
$ret .= "<tr><td>number ". ($x+1).": </td><td>$arg</td></tr>";<br />
}<br />
$ret .= "<tr><td>result: </td><td>$result</td><tr>";<br />
$ret .= "</table>";<br />
return $ret;<br />
}<br />
print addNums (49, 60, 44, 22, 55);<br />
?><br />
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</source><br />
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==Variable Parameter Counts==<br />
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<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
function some_func($a, $b) {<br />
for ($i = 0; $i < func_num_args( ); ++$i) {<br />
$param = func_get_arg($i);<br />
echo "Received parameter $param.\n";<br />
}<br />
}<br />
function some_other_func($a, $b) {<br />
$param = func_get_args( );<br />
$param = join(", ", $param);<br />
echo "Received parameters: $param.\n";<br />
}<br />
some_func(1,2,3,4,5,6,7,8);<br />
some_other_func(1,2,3,4,5,6,7,8);<br />
<br />
</source></div>
Admin