Online PHP editor | output for fCsI3

<?PHP FUNCTION bin2text($bin_str) { $text_str = ''; $chars = EXPLODE("\n", CHUNK_SPLIT(STR_REPLACE("\n", '', $bin_str), 8)); $_I = COUNT($chars); FOR($i = 0; $i < $_I; $text_str .= CHR(BINDEC($chars[$i])), $i ); RETURN $text_str; } FUNCTION text2bin($txt_str) { $len = STRLEN($txt_str); $bin = ''; FOR($i = 0; $i < $len; $i ) { $bin .= STRLEN(DECBIN(ORD($txt_str[$i]))) < 8 ? STR_PAD(DECBIN(ORD($txt_str[$i])), 8, 0, STR_PAD_LEFT) : DECBIN(ORD($txt_str[$i])); } RETURN $bin; } PRINT text2bin('Isn't this cool?'); ?>