PHP - Conditional statement: if, if else

By conditions we can control our program. thanks conditional statement we can control program running in two directions. if the condition is satisfied to continue running the program in a first direction, if not as the second direction. under the directions of the programme I think either statement or block of statements.

if, if else

Description

if (condition) statement1

if (condition) statement1 else statement2

Used keywords: if else

Input

condition - Logical value The condition can be any expression
statement1 - statements
statement2 - statements

Examples

PHP

Conditional statement the possible of use:

if ($i > 10)
{
$i =10;            $i = $i - 1;   $i++;
}
if ($i < 10) $i = 10; else $i=1;

PHP

Other pieces of example codes:

while ($i>0)
   if ($i==10)
     break;
   else 
   {
     $i--;
   }

if ($x > 0) // x == true
   $x=5;

if ($y<5)
   $y = $y/ 3.14;    // y = 1.234

if ($x>0xabc)
  $y = (double)$x / 0xa;    // y = 466

if ( $y > 32 )  
   $c=true;

if ($i - 10 >0) $i = $i-5;

Conditional statement in another programming language:

Differences to: