Introduction to the usage of (foreach) in php
foreach ($array as $key => $value)
foreach can only be used for arrays. In each loop, the key name of the current unit will also be assigned to the variable $key in each loop. The value of the current cell is assigned to $value and the pointer inside the array is moved forward one step.
$arr=array(0=>"Hello",1=>"World",2=>"Friends");
//var_dump($arr);
foreach ($arr as $key=>$vol){
echo "This is the result of the key-value pair ".$key."----".$vol."
";
}
?>
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