- strstr: documentation ( source)
- var_export: documentation ( source)
- parse_ini_string: documentation ( source)
<?php
$text = <<<TEXT
0000035901SM000000980000009800000125
0J0005 00064182
00000000
BEGIN
DATE=26.05.2015 09:01:48
SESSION=49500000031432619992
ERROR=0
RESULT=0
TRANSID=1000005699140
END
BEGIN SIGNATURE
iQBRAwkBAAD6tlVkDEwBAVOkAgCXHs1kj8u7E6tsdQLP8SFfkSDh9eYxkDYl/JdO
+2Lekurt2TfL68wxbCdaaWoT9Jy71luAvyAkgtNte/1FT22dsAHH
=GPcz
END SIGNATURE
TEXT;
var_export(parse_ini_string(strstr($text, 'SIGNATURE', true)));