Date compare in scheduling emplooyee job

Try to get the record from the database first using their ID that's if it is stored in the database.

PHP Code:

// Get users record by their id

if (record exists)
{
    // The user already is assigned show an error message
}
else
{
    // assign user to these dates
} 


Something like that.

What did you Try? What did you Get? What did you Expect?

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