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  1. Hello! I wanna create a form that can send sms to multiple recipient, i've created a form that uses javascript to add or remove textbox dynamically, this code successfully send sms when i fill one recipient number, but fails to send more than one recipient, and as i try to make it send sms to more than one user by making it loop, i get this error, Can someone help? i want to know how do i make this form sends sms towards multiple user Warning: Invalid argument supplied for foreach() <script language="javascript"> function addRow(tableID) { var table = document.getElementById(tableID); var rowCount = table.rows.length; var row = table.insertRow(rowCount); var cell1 = row.insertCell(0); var element1 = document.createElement("input"); element1.type = "checkbox"; element1.name="chkbox[]"; cell1.appendChild(element1); var cell2 = row.insertCell(1); cell2.innerHTML = rowCount + 1; var cell3 = row.insertCell(2); var element2 = document.createElement("input"); element2.type = "text"; element2.name = "CTL_TEL"; cell3.appendChild(element2); } function deleteRow(tableID) { try { var table = document.getElementById(tableID); var rowCount = table.rows.length; for(var i=0; i<rowCount; i++) { var row = table.rows[i]; var chkbox = row.cells[0].childNodes[0]; if(null != chkbox && true == chkbox.checked) { table.deleteRow(i); rowCount--; i--; } } }catch(e) { alert(e); } } </SCRIPT> <?php error_reporting(E_ALL ^ E_NOTICE);//Example$gsm_send_sms = new gsm_send_sms();$gsm_send_sms->debug = false;$gsm_send_sms->port = 'COM6';$gsm_send_sms->baud = 115200;$gsm_send_sms->init();$name="CTL_TEL[]";foreach ($tel as $_POST['CTL_TEL']) {$status = $gsm_send_sms->send($_POST["CTL_TEL"] , $_POST["CTL_MSG"]);$status = $gsm_send_sms->send($tel , $_POST["CTL_MSG"]); if ($status) { echo "Message sent\n";} else { echo "Message not sent\n";}}$gsm_send_sms->close(); //Send SMS via serial SMS modemclass gsm_send_sms { public $port = 'COM6'; public $baud = 115200; public $debug = false; private $fp; private $buffer; //Setup COM port public function init() { $this->debugmsg("Setting up port: \"{$this->port} @ \"{$this->baud}\" baud"); exec("MODE {$this->port}: BAUD={$this->baud} PARITY=N DATA=8 STOP=1", $output, $retval); if ($retval != 0) { throw new Exception('Unable to setup COM port, check it is correct'); } $this->debugmsg(implode("\n", $output)); $this->debugmsg("Opening port"); //Open COM port $this->fp = fopen($this->port . ':', 'r+'); //Check port opened if (!$this->fp) { throw new Exception("Unable to open port \"{$this->port}\""); } $this->debugmsg("Port opened"); $this->debugmsg("Checking for responce from modem"); //Check modem connected fputs($this->fp, "AT\r"); //Wait for ok $status = $this->wait_reply("OK\r\n", 5); if (!$status) { throw new Exception('Did not receive responce from modem'); } $this->debugmsg('Modem connected'); //Set modem to SMS text mode $this->debugmsg('Setting text mode'); fputs($this->fp, "AT+CMGF=1\r"); $status = $this->wait_reply("OK\r\n", 5); if (!$status) { throw new Exception('Unable to set text mode'); } $this->debugmsg('Text mode set'); } //Wait for reply from modem private function wait_reply($expected_result, $timeout) { $this->debugmsg("Waiting {$timeout} seconds for expected result"); //Clear buffer $this->buffer = ''; //Set timeout $timeoutat = time() + $timeout; //Loop until timeout reached (or expected result found) do { $this->debugmsg('Now: ' . time() . ", Timeout at: {$timeoutat}"); $buffer = fread($this->fp, 1024); $this->buffer .= $buffer; usleep(200000);//0.2 sec $this->debugmsg("Received: {$buffer}"); //Check if received expected responce if (preg_match('/'.preg_quote($expected_result, '/').'$/', $this->buffer)) { $this->debugmsg('Found match'); return true; //break; } else if (preg_match('/\+CMS ERROR\:\ \d{1,3}\r\n$/', $this->buffer)) { return false; } } while ($timeoutat > time()); $this->debugmsg('Timed out'); return false; } //Print debug messages private function debugmsg($message) { if ($this->debug == true) { $message = preg_replace("%[^\040-\176\n\t]%", '', $message); echo $message . "\n"; } } //Close port public function close() { $this->debugmsg('Closing port'); fclose($this->fp); } //Send message public function send($tel, $message) { //Filter tel $tel = preg_replace("%[^0-9\+]%", '', $tel); //Filter message text $message = preg_replace("%[^\040-\176\r\n\t]%", '', $message); $this->debugmsg("Sending message \"{$message}\" to \"{$tel}\""); //Start sending of message fputs($this->fp, "AT+CMGS=\"{$tel}\"\r"); //Wait for confirmation $status = $this->wait_reply("\r\n> ", 5); if (!$status) { //throw new Exception('Did not receive confirmation from modem'); $this->debugmsg('Did not receive confirmation from modem'); return false; } //Send message text fputs($this->fp, $message); //Send message finished indicator fputs($this->fp, chr(26)); //Wait for confirmation $status = $this->wait_reply("OK\r\n", 180); if (!$status) { //throw new Exception('Did not receive confirmation of messgage sent'); $this->debugmsg('Did not receive confirmation of messgage sent'); return false; } $this->debugmsg("Message sent"); return true; }}?> <html><head><title>SMS via GSM</title><meta content="text/html; charset=UTF-8" http-equiv="Content-Type"><style> .clbody { font-family:Verdana, Arial, Helvetica, sans-serif; font-size:9pt; font-weight:normal;}.clfooter { font-family:Verdana; font-size:7pt; font-weight:normal;}h1, .h1 { width:100%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:18px; font-weight:bold;}hr, .hr { color:#b0b0b0;}</style></head><body class="clbody"><h1>SMS via GSM</h1><div style="WIDTH:700px"></div><hr size="1"><?phperror_reporting(E_ALL ^ E_NOTICE);?><form action="" method="post" name="myForm"><table class ="clbody" width="700" border="1"> <tr> <td valign="top">Recipient:</td> <td valign="top"> <INPUT type="button" value="Add Row" onclick="addRow('dataTable')" /> <INPUT type="button" value="Delete Row" onclick="deleteRow('dataTable')" /> <TABLE id="dataTable" width="350px" border="1"> <TR> <TD><INPUT type="checkbox" name="chk"/></TD> <TD> 1 </TD> <TD> <input type="text" name="CTL_TEL" value="<?php echo $_GET['CTL_TEL']; ?>"> </TD> </TR> </TABLE> </td> </tr> <tr> <td valign="top">Message:</td> <td valign="top"> <input style="width: 250px" type="text" name="CTL_MSG" value="<?php echo $_GET['CTL_MSG']; ?>"></td> </tr> <tr> <td valign="top">Result code:<font color=green></td> <td valign="top"></td> </tr> <tr> <td valign="top"> </td> <td valign="top"><input size="25" type="submit" value="Send" name="CTL_SEND" style="height: 23px; width: 250px"></td> </tr></table><br><br></form></body></html>
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