- print_r: documentation ( source)
- trim: documentation ( source)
- preg_split: documentation ( source)
<?php
$headers = "Content-Type: foo/bar\r\n\r\nHost: foo.com\r\n keese\r\nBalls: toast";
print_r(preg_split('/[\r\n]+(?=\S)/', trim($headers), -1, PREG_SPLIT_NO_EMPTY));