5. Loops in PHP

Loops execute a block of code a specified number of times, or while a specified condition is true.

Loops - While Statement :   

• The while loop executes a block of code while a condition is true.
• while (condition)
  {
  code to be executed;
  }

[ Code ] : 

http://pastebin.com/EX7L8f4J

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Loops - Do-While Statement :

•  The do...while statement will always execute the block of code once, it will then check the condition, and repeat the loop while the condition
•   is true.
• do
   {
   code to be executed;
   }while (condition); 

http://pastebin.com/rQy7xwtG

Loops - For Statement  :

• The for loop is used when you know in advance how many times the script should run.
• for (init; condition; increment)
   {
   code to be executed;
   }

http://pastebin.com/r7zMVwMM

 Loops - Foreach Statement :

• The foreach loop is used to loop through arrays.
• foreach ($array as $value)
   {
   code to be executed;
   }

http://pastebin.com/AT1Ft4kA