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<?php
$str = "www.tutorialpro.org";
print_r (explode(".",$str));
?>

<?php
$str = 'one,two,three,four';

// Return an array with one element
print_r(explode(',',$str,0));
print "<br>";

// Array elements: 2
print_r(explode(',',$str,2));
print "<br>";

// Remove the last array element
print_r(explode(',',$str,-1));
?>