Fusion of Thoughts

codility you are given a string s consisting of n brackets opening problem solution.

function isBalanced($str){
$count = 0;
$ocount = 0;
$ccount = 0;
$length = strlen($str);
for($i = 0; $i &lt; $length; $i++){
if($str[$i] == '(')
$ocount += 1;
else if($str[$i] == ')')
$ccount += 1;
if($ccount == $ocount){
$count = $ocount;
}else{
$count = $ccount;
}
}
return $count;
}
echo isBalanced("))");

function isBalanced($str){

$count = 0;

$ocount = 0;

$ccount = 0;

$length = strlen($str);

for($i = 0; $i < $length; $i++){

if($str[$i] == '(')

$ocount += 1;

else if($str[$i] == ')')

$ccount += 1;

if($ccount == $ocount){

$count = $ocount;

}else{

$count = $ccount;

}

return $count;

}

echo isBalanced("))");

Iphone php

Push notification IOS

February 13, 2017February 13, 2017 admin 0 Comments app, apple, ios, notifications, php, push notification, sendbox

Push notification IOS

&lt;?php
// authentication
$host = "localhost";
$user = "user";
$pass = "pass";
$dbname = "DB";
// create connection with database
$con = mysql_connect($host, $user, $pass);
// check whether database connection is successful
if (!$con) {
// if connection not successful then stop the script and show the error
die('Could not connect to database: ' . mysql_error());
} else {
// if database connection successful then select the database
mysql_select_db($dbname, $con);
}
// get the id, token from database
$query = "SELECT `notifications`.`id` as pid, `notifications`.`by_userid`, `notifications`.`userid`, `notifications`.`messege`, `notifications`.`is_read`,  `users`.`id`, `users`.`name`, `users`.`email`, `users`.`dob`, `users`.`gender`,  `users`.`profile_pic`, `users`.`device_id` FROM `table`.`notifications` AS `notifications`  INNER JOIN `table2`.`users` AS `users` ON (`notifications`.`userid` = `users`.`id`) WHERE `notifications`.`is_read` = '0' ";
$result = mysql_query($query);
$data = mysql_fetch_array($result);
$count = count($data);
//Setup notification message
$body = array();
$body['aps'] = array('alert' =&gt; $data['messege']);
$body['aps']['notifurl'] = 'yourwebsite.com/push_new.php';
$body['aps']['badge'] = $count;
$body['aps']['messege'] = $data['messege'];
$body['aps']['id'] = $data['pid'];
$id = $data['pid'];
//Setup stream (connect to Apple Push Server)
$ctx = stream_context_create();
stream_context_set_option($ctx, 'ssl', 'passphrase', '123456');
stream_context_set_option($ctx, 'ssl', 'local_cert', 'certificate.pem'); // add your .pem file
$fp = stream_socket_client('ssl://gateway.sandbox.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT, $ctx);
stream_set_blocking($fp, 0);
// This allows fread() to return right away when there are no errors. But it can also miss errors during
//  last  seconds of sending, as there is a delay before error is returned. Workaround is to pause briefly
// AFTER sending last notification, and then do one more fread() to see if anything else is there.
if (!$fp) {
//ERROR
echo "Failed to connect (stream_socket_client): $err $errstrn";
} else {
// Keep push alive (waiting for delivery) for 90 days
$apple_expiry = time() + (90 * 24 * 60 * 60);
// Loop thru tokens from database
while ($row = mysql_fetch_array($result)) {
$apple_identifier = $row["id"];
$deviceToken = $row['device_id'];
$payload = json_encode($body);
// Enhanced Notification
$msg = pack("C", 1) . pack("N", $apple_identifier) . pack("N", $apple_expiry) . pack("n", 32) . pack('H*', str_replace(' ', '', $deviceToken)) . pack("n", strlen($payload)) . $payload;
// SEND PUSH
fwrite($fp, $msg);
// We can check if an error has been returned while we are sending, but we also need to
// check once more after we are done sending in case there was a delay with error response.
checkAppleErrorResponse($fp);
}
// Workaround to check if there were any errors during the last seconds of sending.
// Pause for half a second.
// Note I tested this with up to a 5 minute pause, and the error message was still available to be retrieved
usleep(500000);
checkAppleErrorResponse($fp);
echo 'Completed';
$query = "UPDATE `notifications` SET `is_read` = 1 WHERE id = $id ";
$results = mysql_query($query);
mysql_close($con);
fclose($fp);
}
// FUNCTION to check if there is an error response from Apple
// Returns TRUE if there was and FALSE if there was not
function checkAppleErrorResponse($fp) {
//byte1=always 8, byte2=StatusCode, bytes3,4,5,6=identifier(rowID).
// Should return nothing if OK.
//NOTE: Make sure you set stream_set_blocking($fp, 0) or else fread will pause your script and wait
// forever when there is no response to be sent.
$apple_error_response = fread($fp, 6);
if ($apple_error_response) {
// unpack the error response (first byte 'command" should always be 8)
$error_response = unpack('Ccommand/Cstatus_code/Nidentifier', $apple_error_response);
if ($error_response['status_code'] == '0') {
$error_response['status_code'] = '0-No errors encountered';
} else if ($error_response['status_code'] == '1') {
$error_response['status_code'] = '1-Processing error';
} else if ($error_response['status_code'] == '2') {
$error_response['status_code'] = '2-Missing device token';
} else if ($error_response['status_code'] == '3') {
$error_response['status_code'] = '3-Missing topic';
} else if ($error_response['status_code'] == '4') {
$error_response['status_code'] = '4-Missing payload';
} else if ($error_response['status_code'] == '5') {
$error_response['status_code'] = '5-Invalid token size';
} else if ($error_response['status_code'] == '6') {
$error_response['status_code'] = '6-Invalid topic size';
} else if ($error_response['status_code'] == '7') {
$error_response['status_code'] = '7-Invalid payload size';
} else if ($error_response['status_code'] == '8') {
$error_response['status_code'] = '8-Invalid token';
} else if ($error_response['status_code'] == '255') {
$error_response['status_code'] = '255-None (unknown)';
} else {
$error_response['status_code'] = $error_response['status_code'] . '-Not listed';
}
echo '&lt;br&gt;&lt;b&gt;+ + + + + + ERROR&lt;/b&gt; Response Command:&lt;b&gt;' . $error_response['command'] . '&lt;/b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Identifier:&lt;b&gt;' . $error_response['identifier'] . '&lt;/b&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Status:&lt;b&gt;' . $error_response['status_code'] . '&lt;/b&gt;&lt;br&gt;';
echo 'Identifier is the rowID (index) in the database that caused the problem, and Apple will disconnect you from server. To continue sending Push Notifications, just start at the next rowID after this Identifier.&lt;br&gt;';
return true;
}
return false;
}
?&gt;

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<?php

// authentication

$host = "localhost";

$user = "user";

$pass = "pass";

$dbname = "DB";

// create connection with database

$con = mysql_connect($host, $user, $pass);

// check whether database connection is successful

if (!$con) {

// if connection not successful then stop the script and show the error

die('Could not connect to database: ' . mysql_error());

} else {

// if database connection successful then select the database

mysql_select_db($dbname, $con);

}

// get the id, token from database

$query = "SELECT `notifications`.`id` as pid, `notifications`.`by_userid`, `notifications`.`userid`, `notifications`.`messege`, `notifications`.`is_read`, `users`.`id`, `users`.`name`, `users`.`email`, `users`.`dob`, `users`.`gender`, `users`.`profile_pic`, `users`.`device_id` FROM `table`.`notifications` AS `notifications` INNER JOIN `table2`.`users` AS `users` ON (`notifications`.`userid` = `users`.`id`) WHERE `notifications`.`is_read` = '0' ";

$result = mysql_query($query);

$data = mysql_fetch_array($result);

$count = count($data);

//Setup notification message

$body = array();

$body['aps'] = array('alert' => $data['messege']);

$body['aps']['notifurl'] = 'yourwebsite.com/push_new.php';

$body['aps']['badge'] = $count;

$body['aps']['messege'] = $data['messege'];

$body['aps']['id'] = $data['pid'];

$id = $data['pid'];

//Setup stream (connect to Apple Push Server)

$ctx = stream_context_create();

stream_context_set_option($ctx, 'ssl', 'passphrase', '123456');

stream_context_set_option($ctx, 'ssl', 'local_cert', 'certificate.pem'); // add your .pem file

$fp = stream_socket_client('ssl://gateway.sandbox.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT, $ctx);

stream_set_blocking($fp, 0);

// This allows fread() to return right away when there are no errors. But it can also miss errors during

// last seconds of sending, as there is a delay before error is returned. Workaround is to pause briefly

// AFTER sending last notification, and then do one more fread() to see if anything else is there.

if (!$fp) {

//ERROR

echo "Failed to connect (stream_socket_client): $err $errstrn";

} else {

// Keep push alive (waiting for delivery) for 90 days

$apple_expiry = time() + (90 * 24 * 60 * 60);

// Loop thru tokens from database

while ($row = mysql_fetch_array($result)) {

$apple_identifier = $row["id"];

$deviceToken = $row['device_id'];

$payload = json_encode($body);

// Enhanced Notification

$msg = pack("C", 1) . pack("N", $apple_identifier) . pack("N", $apple_expiry) . pack("n", 32) . pack('H*', str_replace(' ', '', $deviceToken)) . pack("n", strlen($payload)) . $payload;

// SEND PUSH

fwrite($fp, $msg);

// We can check if an error has been returned while we are sending, but we also need to

// check once more after we are done sending in case there was a delay with error response.

checkAppleErrorResponse($fp);

}

// Workaround to check if there were any errors during the last seconds of sending.

// Pause for half a second.

// Note I tested this with up to a 5 minute pause, and the error message was still available to be retrieved

usleep(500000);

checkAppleErrorResponse($fp);

echo 'Completed';

$query = "UPDATE `notifications` SET `is_read` = 1 WHERE id = $id ";

$results = mysql_query($query);

mysql_close($con);

fclose($fp);

}

// FUNCTION to check if there is an error response from Apple

// Returns TRUE if there was and FALSE if there was not

function checkAppleErrorResponse($fp) {

//byte1=always 8, byte2=StatusCode, bytes3,4,5,6=identifier(rowID).

// Should return nothing if OK.

//NOTE: Make sure you set stream_set_blocking($fp, 0) or else fread will pause your script and wait

// forever when there is no response to be sent.

$apple_error_response = fread($fp, 6);

if ($apple_error_response) {

// unpack the error response (first byte 'command" should always be 8)

$error_response = unpack('Ccommand/Cstatus_code/Nidentifier', $apple_error_response);

if ($error_response['status_code'] == '0') {

$error_response['status_code'] = '0-No errors encountered';

} else if ($error_response['status_code'] == '1') {

$error_response['status_code'] = '1-Processing error';

} else if ($error_response['status_code'] == '2') {

$error_response['status_code'] = '2-Missing device token';

} else if ($error_response['status_code'] == '3') {

$error_response['status_code'] = '3-Missing topic';

} else if ($error_response['status_code'] == '4') {

$error_response['status_code'] = '4-Missing payload';

} else if ($error_response['status_code'] == '5') {

$error_response['status_code'] = '5-Invalid token size';

} else if ($error_response['status_code'] == '6') {

$error_response['status_code'] = '6-Invalid topic size';

} else if ($error_response['status_code'] == '7') {

$error_response['status_code'] = '7-Invalid payload size';

} else if ($error_response['status_code'] == '8') {

$error_response['status_code'] = '8-Invalid token';

} else if ($error_response['status_code'] == '255') {

$error_response['status_code'] = '255-None (unknown)';

} else {

$error_response['status_code'] = $error_response['status_code'] . '-Not listed';

}

echo ' + + + + + + ERROR Response Command:' . $error_response['command'] . '&nbsp;&nbsp;&nbsp;Identifier:' . $error_response['identifier'] . '&nbsp;&nbsp;&nbsp;Status:' . $error_response['status_code'] . ' ';

echo 'Identifier is the rowID (index) in the database that caused the problem, and Apple will disconnect you from server. To continue sending Push Notifications, just start at the next rowID after this Identifier. ';

return true;

}

return false;

}

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