Tableau associatif php

<pre><?php

$tab1 = array ('cahier','stylo','feutre','lampe','ciseaux','livre' ); // liste exaustive de fourniture
$tab2 = array ('cahier' => 17 ,'lampe' =>5,'ciseaux' => 1);
$tab3 = array ('cahier' => 10, 'feutre' =>2);

echo "\$tab1 : \n";
print_r($tab1);

echo "\$tab_tmp : \n";
$tab_tmp = array_fill_keys($tab1, 0);
print_r($tab_tmp);

echo "\$tab2 : \n";
$tab2 = array_merge($tab_tmp, $tab2);
print_r($tab2);

echo "\$tab3 : \n";
$tab3 = array_merge($tab_tmp, $tab3);
print_r($tab3);

?></pre>

<?php

$tab2 = array ('cahier' => 17 ,'lampe' =>5,'ciseaux' => 1);
echo "Associatif : \n";
var_dump($tab2);

$tab2 = array_values($tab2);
echo "Converti : \n";
var_dump($tab2);

$tab2 = array ('0' => 17 ,'1' =>5,'2' => 1);
echo "Correction1 : \n";
var_dump($tab2);

$tab2 = array ( 17 ,5, 1);
echo "Correction2 : \n";
var_dump($tab2);

?>