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run code in 300+ PHP versions simultaneously
<?php $fp = fsockopen("ssl://smtp.gmail.com",465, $errNo, $errStr, 15); if(!$fp){ echo "not connected"; }else{ $str = fputs($fp, "EHLO"."\r\n")."\n"; $str .= fputs($fp, "STARTTLS"."\r\n")."\n"; $str .= fputs($fp, "AUTH LOGIN"."\r\n"); $str .= fputs($fp, base64_encode("murarijaiswal1989@gmail.com")."\r\n")."\n"; $str .= fputs($fp, base64_encode("murari1989.")."\r\n")."\n"; $str .= fputs($fp, "MAIL FROM:<author@gmail.com>"."\r\n")."\n"; $str .= fputs($fp, "RCPT TO:<murari@fecdirect.in>"."\r\n")."\n"; $str .= fputs($fp, "DATA"."\r\n")."\n"; $str .= fputs($fp, "Subject: This is subject"."\r\n")."\n"; $str .= fputs($fp, "This is body message"."\r\n")."\n"; $str .= fputs($fp, "."."\r\n")."\n"; $str .= fputs($fp, "QUIT"."\r\n")."\n"; echo fputs($fp, $str); fclose($fp); } ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: fsockopen(): Unable to connect to ssl://smtp.gmail.com:465 (Unable to find the socket transport "ssl" - did you forget to enable it when you configured PHP?) in /in/1Yp54 on line 2 not connected
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: fsockopen(): unable to connect to ssl://smtp.gmail.com:465 (Unable to find the socket transport "ssl" - did you forget to enable it when you configured PHP?) in /in/1Yp54 on line 2 not connected

preferences:
264.35 ms | 403 KiB | 376 Q