PHP Basic -> Control Structures

Control Structures: These are those things which control how the program "flows". Control are very important for any language whether it is PHP OR C.

• if
• else
• elseif/else if
• while
• do-while
• for
• foreach
• break
• continue
• switch
• declare
• return
• require
• include
• require_once
• include_once
• include
• include_once
• goto

I hope you are aware of above all.



Following are the property of Control constructs.

• Parenthesis are optional means include "class.php" or include ("class.php") both work.
• these are faster as compare to Normal function like strstr, array_merge etc. 

Following things keep in mind regarding this topic(Minimum)

• Difference between include, include_once, require and require_once
• Deprecated control structessuppress the error 
• What is use of declare
• Difference between continue and break
• Why use return in functions of PHP.