Junior php questions

  • How would you do a variable variable?
  • Name as many types in php as you can:
    • Object
    • Array
    • String
    • Int
    • Resource
    • Float aka double
    • Boolean
    • Null
  • What is the cause of the following warning: warning cannot modify header information headers already sent.
  • Alternative syntax for if and foreach
  • What is the difference between require and include
  • How many time can you include a file in another php file
  • Name some magic constants:
    • File
    • Dir
    • Line
    • Function
    • Class
    • Method
    • Namespace
  • What do you understand when I say the inheritance:
  • How would you ensure that only a certain type of parameter is passed to a function/method.
  • How would you determine the key of the array value in an array.
  • What is a recursive function?
  • What is the difference between post and get superglobals?
  • Is it necessary to close a php file with a ?> ?
  • What function will you use to replace a part of a string from the second to fifth character.
  • What function would use to output a variable safely on a clients browser
  • What is safest connector for mysql
  • What globals would you use to authenticate a user on a website.
  • What is the most used function in php?
  • Do know what SPL is?
  • What is the advantage of a stored procdure on mysql
  • Do you know how to write a stored procedure in mysql
  • What would you use to manipulate an element on the dom without jquery?
  • Why is mysql the db used most with php?
  • What alternatives are there to MySQL?
  • Have you worked with an api before?
  • Which ones?
  • What would you use to make an array a valid JSON packet?
  • You work on windows, production is on Linux, what is the first thing you check if you cant file a file?
  • Why php?
  • What is the difference between and =?
  • What is late static binding?

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