while Loop

                              
Syntax
while (condition is true) 
{
code to be executed;
}
Example
<?php
$x = 1; 
while($x <= 5) 
{ 
echo "The number is: $x <br>"; 
$x++; 
}

?>

                              
Syntax
do {
code to be executed;
} while (condition is true);
Example
<?php
$x = 1; 
do { 
echo "The number is: $x <br>"; 
$x++; 
} while ($x <= 5);
?>

                              
Syntax
for (init counter; test counter; increment counter) {
code to be executed for each iteration;
}
Example 
<?php
for ($x = 0; $x <= 10; $x++) {
echo "The number is: $x <br>";
}
?>
<?php
for($i=0;$i<=5;$i++){
for($j=0;$j<=$i;$j++){
$str = chr($i+97);
echo( $str);
}
echo "<br/>";
}
?>
 

                              
Syntax
foreach ($array as $value) {
code to be executed;
}
Example 
<?php
$cars = array("Audi", “MG", "Tata", "Ford"); 
foreach ($cars as $value) 
{ 
echo "$value <br>"; 
}
?>