String f_exec(const String& command, VRefParam output /* = null */,
VRefParam return_var /* = null */) {
ShellExecContext ctx;
FILE *fp = ctx.exec(command.c_str());
if (!fp) return "";
StringBuffer sbuf;
sbuf.read(fp);
Array lines = StringUtil::Explode(sbuf.detach(), "\n").toArray();
int ret = ctx.exit();
if (WIFEXITED(ret)) ret = WEXITSTATUS(ret);
return_var = ret;
int count = lines.size();
if (count > 0 && lines[count - 1].toString().empty()) {
count--; // remove explode()'s last empty line
}
if (!output.is(KindOfArray)) {
output = Array(ArrayData::Create());
}
for (int i = 0; i < count; i++) {
output.append(lines[i]);
}
if (!count || lines.empty()) {
return String();
}
return f_rtrim(lines[count - 1].toString());
}
String f_system(const String& command, VRefParam return_var /* = null */) {
ShellExecContext ctx;
FILE *fp = ctx.exec(command.c_str());
if (!fp) return "";
StringBuffer sbuf;
if (fp) {
sbuf.read(fp);
}
Array lines = StringUtil::Explode(sbuf.detach(), "\n").toArray();
int ret = ctx.exit();
if (WIFEXITED(ret)) ret = WEXITSTATUS(ret);
return_var = ret;
int count = lines.size();
if (count > 0 && lines[count - 1].toString().empty()) {
count--; // remove explode()'s last empty line
}
for (int i = 0; i < count; i++) {
echo(lines[i].toString());
echo("\n");
}
if (!count || lines.empty()) {
return String();
}
return f_rtrim(lines[count - 1].toString());
}
void HHVM_FUNCTION(header, const String& str, bool replace /* = true */,
int http_response_code /* = 0 */) {
if (HHVM_FN(headers_sent)()) {
raise_warning("Cannot modify header information - headers already sent");
}
String header = f_rtrim(str);
// new line safety check
// NOTE: PHP actually allows "\n " and "\n\t" to fall through. Is that bad
// for security?
if (header.find('\n') >= 0 || header.find('\r') >= 0) {
raise_warning("Header may not contain more than a single header, "
"new line detected");
return;
}
Transport *transport = g_context->getTransport();
if (transport && header.size()) {
const char *header_line = header.data();
// handle single line of status code
if (header.size() >= 5 && strncasecmp(header_line, "HTTP/", 5) == 0) {
int code = 200;
const char *reason = nullptr;
for (const char *ptr = header_line; *ptr; ptr++) {
if (*ptr == ' ' && *(ptr + 1) != ' ') {
code = atoi(ptr + 1);
for (ptr++; *ptr; ptr++) {
if (*ptr == ' ' && *(ptr + 1) != ' ') {
reason = ptr + 1;
break;
}
}
break;
}
}
if (code) {
transport->setResponse(code, reason);
}
return;
}
const char *colon_offset = strchr(header_line, ':');
String newHeader;
if (colon_offset) {
if (!strncasecmp(header_line, "Content-Type",
colon_offset - header_line)) {
const char *ptr = colon_offset+1, *mimetype = NULL;
while (*ptr == ' ') ptr++;
mimetype = ptr;
if (strncmp(mimetype, "text/", 5) == 0 &&
strstr(mimetype, "charset=") == NULL) {
newHeader = header + ";charset=utf-8";
}
}
}
if (replace) {
transport->replaceHeader(newHeader.empty() ? header : newHeader);
} else {
transport->addHeader(newHeader.empty() ? header : newHeader);
}
if (http_response_code) {
transport->setResponse(http_response_code,
"explicit_header_response_code");
}
}
}
bool TestExtString::test_rtrim() {
VS(f_rtrim(" abc "), " abc");
return Count(true);
}
