PHP - Decrement statement: --

Decrement statement it is a mathematical operation that is used to decrease the number by one.

--

-- var ;

Even one example in what situations we can use the operation decrement statement:

$i=10;
do --$i; while ( $i > 0);
do {
  $i++;
  if ($i==5)
    break;
} while ( $i <10);

Even one example in what situations we can use the operation decrement statement:

do --$i; while ( $i > 0);
$j--;

Other pieces of example codes:

while ( $y >= 0 )  
      --$y;

if ( $x == 5 )
   --$y;

var -- ;

Even one example in what situations we can use the operation decrement statement:

$i=10;
do --$i; while ( $i > 0);
do {
  $i++;
  if ($i==5)
    break;
} while ( $i <10);

Even one example in what situations we can use the operation decrement statement:

do --$i; while ( $i > 0);
$j--;

Other pieces of example codes:

$i--;

$y--;

Decrement statement in another programming language:

Differences to: