Det här är en simpel funktion för att kolla indata som är numeriska id. Småsak att göra, men saker som upprepas är det bra att samla i funktioner. En återkommande uppgift när jag gör skript är att kolla indata som skickas, t.ex. ett id som skickas i adressraden. För att kontrollera sådant i PHP använder… Read more »
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