how to loop through several array php code example

Example 1: how to iterate through php array

$ar = ['Rudi', 'Morie', 'Halo', 'Miki'];

for ($i=0, $len=count($ar); $i<$len; $i++) {
    echo "$ar[$i] \n";
}
/*
Rudi 
Morie 
Halo 
Miki 
*/

Example 2: php loop through array

foreach (array_expression as $value)
    statement
foreach (array_expression as $key => $value)
    statement