foreach loop in php example

foreach loop in php 

 

Syntax

foreach (array as value)
{
    code to be executed;

}

<?php

 $arr = array( 10, 20, 3, 40, 150);
foreach( $arr as $value )
{
  echo " $value <br />";
} 

//

$lang = array('php','java','c','c#','.net','perl');

echo "Your output here <br>"; 

 foreach( $lang as $val )
{
  echo " $val <br />";
} 

Do while loop in php

// Do While loop in php

Syntax

do
{
   code to be executed;
}while (condition); 

<?php

//print 1 to 10 number

$a = 1; 

do
{ 

echo "<br>".$a; 

 $a++; 

}while( $a < 10 );

?>

 

While loop in php examples

//  How to use while loop in php.

Syntax

while (condition)
{
    code to be executed;
}

<?php

// print  1 to 5  

$a=1;

while ($a<=5)

{

echo "\t ".$a;

$a=$a+1;

} 

?> 

Type of loop in php

There is mainly four type of loops.
Loops  are used to execute the same block of code a specified number of times in php.
 
1. for loop.
2. while loop.
3. Do-while loop.
3. foreach loop.

Syntax

for (initialization; condition; increment)
{
  code to be executed;
}

<?php 

// print  1 to 10 number 

for( $i=0; $i<10; $i++ )
{

echo "<br>".$i;

}

///////////////////

//Sum of ten number 

$sum = 0;
for( $i=0; $i<10; $i++ )
{

echo "<br>".$i;

$sum=$sum+$i;

}

echo " Total of 10 number =".$sum; 

?>