note 66806 added to function.is-array
| From: | jupiter at nospam dot com | Date: | Tue, 30 May 2006 02:50:22 +0000 |
| Subject: | note 66806 added to function.is-array | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-112520@lists.php.net to get a copy of this message | ||
Will check a Multi-Dimentional Array to any specified level. This is a fix to 11/16/05 submission,
which would break since you must supply a foreach with an array. Beware recursive functions
shouldn't go over 100 deep or could break the memory stack on server.
<?php
// checks for multiarray to defined depth level recursively
function isDeepMultiArray($multiarray, $level = 2) { // default is simple multi-array
if (is_array($multiarray)) { // confirms array
if ($level == 1) { // is array only 1 level deep, hence not multiarray
return true;
} // end conditional
foreach ($multiarray as $array) { // goes one level deeper
if (isDeepMultiArray($array, $level - 1)) { // check subarray
return true;
} // end recursive function
} // end loop
} else { // not an array at specified level
return false;
}
}
?>
BTW my notation is consistent with the PEAR manual on coding standards, which is what php.net says
to follow. I hope a function like this gets included in PHP6.
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Manual Page -- http://www.php.net/manual/en/function.is-array.php
Edit -- http://master.php.net/note/edit/66806
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Del: useless -- http://master.php.net/note/delete/66806/useless
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Del: non-english -- http://master.php.net/note/delete/66806/non-english
Del: in docs -- http://master.php.net/note/delete/66806/in+docs
Del: other reasons-- http://master.php.net/note/delete/66806
Reject -- http://master.php.net/note/reject/66806
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