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@ 2020-10-26T05:02:04Z

<?php

try {
    array_merge([1, 2], a: [3, 4]);
} catch (ArgumentCountError $e) {
    echo $e->getMessage();
}

Output
Performance
VLD
References
Branches

array_merge: documentation ( source)

preferences:dark modelive previewkey bindings

24.11 ms | 404 KiB | 5 Q