PHP if statement and else if

if statement :
If statement in PHP is like other programming language .if statement in your code means if something is correct do something.

Code:

<?php 
 if (condition )  
   { 
     //do something 
    }
  

when the condition is true , the code between bracket will be implemented .

Here a simple example (true condition):

Code:


  $myname="dodo";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   <br/>welcome ..
 
 

the output is :

Code:


   oooooh, your name is dodo 
   welcome ..
 
 

Here a simple example (false condition):

Code:


  $myname="toto";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   <br/>welcome ..
 
 

the output is :

Code:

   welcome ..



elseif statement:

In the case your condition is false ,you can make a second check after the first if.

for example :

Code:


  $myname="toto";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   elseif($myname=="toto")
     {
        echo "oooooh, your name is toto";
     }

   <br/>welcome ..
 
 

the output is :

Code:


   oooooh, your name is toto
   welcome ..
 
 

else statement :

When a condition is false other code will be executed and it is the one between else brackets .

for example :

Code:


$myname="msi";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   else 
     {
        echo "oooooh, your name is $myname";
     }

   <br/>welcome ..
 
 

the output is :

Code:

   oooooh, your name is msi
   welcome ..



ok , here a general example contain if ,elseif and else statement :

Code:


  $myname="toto";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   elseif($myname=="toto")
     {
        echo "oooooh, your name is toto";
     }
     else 
     {
        echo "oooooh, your name is $myname";
      }
   <br/>welcome ..
 
 

the output is :

Code:

   oooooh, your name is toto
   welcome ..



Another example :

Code:


  $myname="Ali";
   if($myname=="dodo") 
     {
        echo "oooooh, your name is dodo";
     }
   elseif($myname=="toto")
     {
        echo "oooooh, your name is toto";
     }
     else 
     {
        echo "oooooh, your name is $myname";
      }
   <br/>welcome ..
 
 

the output is :

Code:

   oooooh, your name is Ali
   welcome ..



i hope it is a good article