note 83034 added to function.str-split
| From: | lskatz at gmail dot com | Date: | Wed, 07 May 2008 18:42:10 +0000 |
| Subject: | note 83034 added to function.str-split | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-139149@lists.php.net to get a copy of this message | ||
A good use of str_split is reverse translating an amino acid sequence.
<?
/* reverse translate an aa sequence using its dna counterpart */
function reverseTranslate($aaSeq,$ntSeq){
$nt=str_split($ntSeq,3);
$aa=str_split($aaSeq,1);
$gapChar=array('*','-');
$numAa=count($aa);
$ntIndex=0;
$newNtSeq="";
for($i=0;$i<$numAa;$i++){
// if the aa is a gap, then just put on a gap character
if(in_array($aa[$i],$gapChar)){
$newNtSeq.='---';
}
else{
$newNtSeq.=$nt[$ntIndex];
$ntIndex++;
}
}
return $newNtSeq;
}
?>
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Probable Submitter: 130.207.66.123
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Manual Page -- http://www.php.net/manual/en/function.str-split.php
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