Witam, mam tablice

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$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,8,8';
$tab[]['ciag'] = '10,9,9,9,9,8,10,9,8,7';
$tab[]['ciag'] = '10,9,9,9,9,9,8,8,8,8';
$tab[]['ciag'] = '10,10,9,8,8,9,9,8,8,7';
$tab[]['ciag'] = '9,9,9,9,8,9,9,8,8,8';
$tab[]['ciag'] = '10,9,9,8,7,7,9,9,9,8';
$tab[]['ciag'] = '10,9,8,8,7,8,9,8,8,8';
$tab[]['ciag'] = '9,9,9,8,8,8,7,7,7,0';
$tab[]['ciag'] = '10,8,7,7,5,9,9,7,6,4';
$tab[]['ciag'] = '9,8,8,8,8,7,6,6,5,5';
$tab[]['ciag'] = '8,7,6,5,7,7,6,5,5,5';
$tab[]['ciag'] = '6,5,3,3,6,5,4,1,0,0';
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chciał bym zrobić z niej tablice tylko tych ciągów których suma jest taka sama nie mam problemów już z sumowanie tylko jak wyciągnąć takie same wyniki do drugiej tablicy ?

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$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,8,8';
$tab[]['ciag'] = '10,9,9,9,9,8,10,9,8,7';
$tab[]['ciag'] = '10,9,9,9,9,9,8,8,8,8';
$tab[]['ciag'] = '10,10,9,8,8,9,9,8,8,7';
$tab[]['ciag'] = '9,9,9,9,8,9,9,8,8,8';
$tab[]['ciag'] = '10,9,9,8,7,7,9,9,9,8';
$tab[]['ciag'] = '10,9,8,8,7,8,9,8,8,8';
$tab[]['ciag'] = '9,9,9,8,8,8,7,7,7,0';
$tab[]['ciag'] = '10,8,7,7,5,9,9,7,6,4';
$tab[]['ciag'] = '9,8,8,8,8,7,6,6,5,5';
$tab[]['ciag'] = '8,7,6,5,7,7,6,5,5,5';
$tab[]['ciag'] = '6,5,3,3,6,5,4,1,0,0';
 
$summary=array();
 
foreach($tab as $t){
	$suma=array_sum(explode(',',$t['ciag']));
	$summary[$suma][]=$t;
}
foreach($summary as $index=>$s)
	if(count($s)<2)
		unset($summary[$index]);
 
print_r($summary);
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Zamiast drugiej pętli można użyć również array_filter.

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<?php 
 
$tab = array();
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,9,9';
$tab[]['ciag'] = '10,10,10,9,9,9,9,9,8,8';
$tab[]['ciag'] = '10,9,9,9,9,8,10,9,8,7';
$tab[]['ciag'] = '10,9,9,9,9,9,8,8,8,8';
$tab[]['ciag'] = '10,10,9,8,8,9,9,8,8,7';
$tab[]['ciag'] = '9,9,9,9,8,9,9,8,8,8';
$tab[]['ciag'] = '10,9,9,8,7,7,9,9,9,8';
$tab[]['ciag'] = '10,9,8,8,7,8,9,8,8,8';
$tab[]['ciag'] = '9,9,9,8,8,8,7,7,7,0';
$tab[]['ciag'] = '10,8,7,7,5,9,9,7,6,4';
$tab[]['ciag'] = '9,8,8,8,8,7,6,6,5,5';
$tab[]['ciag'] = '8,7,6,5,7,7,6,5,5,5';
$tab[]['ciag'] = '6,5,3,3,6,5,4,1,0,0';
 
$tab = array_map('unserialize', array_unique(array_map('serialize', $tab)));
 
echo '<pre>'.print_r($tab, true).'</pre>';
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http://codepad.org/RSsPtQsL