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@ 2024-11-14T03:48:03Z

<?php

$arraySession = [
    'sampleA' => ['1', '2', '3'],
    'sampleB' => ['1', '2', '3'],
];

$arrayPost = [
    'sampleA' => ['1'],
    'sampleB' => ['1','2'],
];

$result = [];
foreach ($arraySession as $k => $row) {
    $result[$k] = array_diff($row, $arrayPost[$k] ?? []);
}
var_export($result);

Output
Performance
VLD
References
Branches

var_export: documentation ( source)
array_diff: documentation ( source)

preferences:dark modelive previewkey bindings

27.06 ms | 405 KiB | 5 Q