Answer Posted / puneet bhatt

explode function:-it breaks a string into array.
<?php
$str="hello world.it's a beautiful day.":
print_r(explode(" ",$str):
?>
ans-ARRAY
[0]=>hello
[1]=>world.
[2]=>it's
[3]=>a
[4]=>beautiful
[5]=>day.

implode:-returns a string from elements of an array.
<?php
$arr=array('hello','world!',beautiful,'day!');
echo implode(" ",$arr);
?>
ans-hello world! beautiful day!

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