<?php
$criteres = [
['classe' => 0, 'couleur' => 0, 'taille' => 0],
['classe' => 0, 'couleur' => 0, 'taille' => 0],
['classe' => 2, 'couleur' => 0, 'taille' => 0],
['classe' => 3, 'couleur' => 0, 'taille' => 0],
['classe' => 1, 'couleur' => 2, 'taille' => 0],
['classe' => 3, 'couleur' => 1, 'taille' => 0],
['classe' => 3, 'couleur' => 4, 'taille' => 0],
['classe' => 3, 'couleur' => 3, 'taille' => 0],
];
$classes = array_column($criteres, 'classe');
foreach ($criteres as $critere) {
echo $critere[$col] . PHP_EOL;
}
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