<?php
"=)" => "happy",
"=(" => "sad"
);
foreach($smiles as $k => &$v) {
}
$string = "this =) is\na test =(\n=)";
$text = strtr($string, $smiles); echo $text;
?>
PD9waHAKCiAgICAkc21pbGVzID0gYXJyYXkoCiAgICAgICAgIj0pIiA9PiAiaGFwcHkiLAogICAgICAgICI9KCIgPT4gInNhZCIKICAgICk7CiAgICBmb3JlYWNoKCRzbWlsZXMgYXMgJGsgPT4gJiR2KSB7CiAgICAgICAgJHYgPSBzcHJpbnRmKCc8aW1nIHNyYz0iL3NtaWxlLyVzLmdpZiIgYWx0PSIlcyI+JywgJHYsIGh0bWxzcGVjaWFsY2hhcnMoJGspKTsKICAgIH0KCiAgICAkc3RyaW5nID0gInRoaXMgPSkgaXNcbmEgdGVzdCA9KFxuPSkiOwogICAgJHRleHQgPSBzdHJ0cigkc3RyaW5nLCAkc21pbGVzKTsKICAgIGVjaG8gJHRleHQ7Cgo/Pg==