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Can the php get the number out of that line?

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For example, line value $a = "абв351abc", can only php remove the numerical value from this line?
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Bogopo

There are filters for this:

echo(filter_var('asdasd0755asdasdasd', FILTER_SANITIZE_NUMBER_INT));//0755
echo(filter_var('a13sdasd07.55asd', FILTER_SANITIZE_NUMBER_FLOAT , FILTER_FLAG_ALLOW_FRACTION)); //1307.55

php 84013

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Get the numbers from the line
Software Programming • java • • chanisef

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import java.util.regex.*; Pattern pat=Pattern.compile("[-]?[0-9]+(.[0-9]+)?"); Matcher matcher=pat.matcher("45.5saf -fg123 -18+"); while (matcher.find()) { System.out.println(matcher.group()); }; That's how you get all the numbers from the line.The result of this example is 45.5; 123; -18.
Remove the duplicate lines, leave only one line and calculate the number
Software Programming • mysql • • inna

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select min(id) as id, postId, userId, sum(rank) as rank from Rank group by postId, userId To change the data in the table based on these conditions, two requests must be made, first change the Rank in the first notes:update Rank A inner join (select min(id) as id,userId, postId,sum(rank) as rank from Rank group by userId, postId) B on A.id=B.id set A.rank=B.rank After which, delete the extra records:delete D.* from Rank D inner join( select id from Rank A where exists(select 1 from Rank B where B.postId=A.postId and B.userId=A.userId and B.id<A.id) ) B on D.id=B.id
A

How do you get the numbers off?
Software Programming • c sharp • • authera

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We need to use the operator. %which returns the balance of the left to the right. I mean, for example, if we write 10 % 2It'll come back. 0♪ This is how the defined number is.Console.WriteLine("Введите длину: "); int n = int.Parse(Console.ReadLine()); for (int i = 1; i <= n; i++) if (i % 2 == 0) Console.WriteLine(i); P.S. If it is known in advance how many conclusions will be drawn, how many times the irration will have to be repeated, it is better to use the cycle with the counter for♪ And with it, you can do this differently.Console.WriteLine("Введите длину: "); int n = int.Parse(Console.ReadLine()); for (int i = 2; i <= n; i += 2) Console.WriteLine(i);
C

Comparison of line and number in php
Software Programming • php data flows • • Cleofas

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foreach ($data as $kk => $vv) { if ( (is_string($vv) && trim($vv) === "") || (is_numeric($vv) && $vv === 0) ) { //Здесь } }
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Dude with an IF ELSE
Software Programming • php mysql conditions else • • Saumya

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Example by adding an external variable to the cart product tour that changes at the time that any of the products is for rent.$tipos = array(1,2); //array con los tipos de productos //tu caso for ($i=0; $i<count($tipos); $i++) { if ($tipos[$i]==1) { $div = "alquiler "; } else { $div = "otros"; } } echo $div." "; //otros //con variable externa $hay_alquiler=0; for ($i=0; $i<count($tipos); $i++) { if ($tipos[$i]==1 || $hay_alquiler == 1) { $div = "alquiler "; $hay_alquiler = 1; } else { $div = "otros"; } } echo $div." "; //alquiler
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simplexml_load with xmlns problem
Software Programming • php xml • • gionna

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Before anything I suggest you read the class documentation SoapClient and see if it is not the most suitable way for your project.Case SoapClient do not adhere to your project you can have in hand two serious problems and without resolution, but bypassable. One contour is simple and another more complicated.The first is the alert you came across:simplexml_load_string(): namespace warning : xmlns: URI Cangooroo. Webservice.V2. Operator is not absoluteThis alert occurs because libxml identified the namespace Cangooroo.Webservice.V2.Operator as a relative URI. This is the easy problem because to solve just turn all references to relative URI Cangooroo.Webservice.V2.Operator in absolute URI, example: http://Cangooroo.Webservice.V2.Operator.If you can't modify the URI to get around this difficulty just delete the alert report from libxml passing the parameter https://www.php.net/manual/en/libxml.constants.php for function simplexml_load_string()Now come the difficult problem. The function simplexml_load_string() cannot analyze elements that are in a namespace other than the root of the document. That means you could read <soap:Envelope> and <soap:Body> but you can't read <createClientResponse> and his descendants.That happens because when https://www.php.net/manual/en/function.simplexml-load-string.php is used to analyze a document whose root is prefixed makes it necessary to be informed in the parameter $ns the prefix or namespace to be consulted. Any element outside the informed namespace is discarded. And if the parameter $ns not informed simplexml_load_string() will not be able to analyze the document.To get around you can remove the prefix soap document with https://www.php.net/manual/pt_BR/function.str-ireplace.php .<?php $xmlstr = <<< XML <?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <soap:Body> <createClientResponse xmlns="http://v2.services.cangooroo.net/"> <createClientResult> <ClientID xmlns="Cangooroo.Webservice.V2.Operator"></ClientID> <ClientCode xmlns="Cangooroo.Webservice.V2.Operator"></ClientCode> <CompleteName xmlns="Cangooroo.Webservice.V2.Operator">xxxx</CompleteName> <Address xmlns="Cangooroo.Webservice.V2.Operator">yyy</Address> <Phone1 xmlns="Cangooroo.Webservice.V2.Operator">(11)11111-111</Phone1> <Email xmlns="Cangooroo.Webservice.V2.Operator">abc@abc.com.br</Email> <NotificationEmail xmlns="Cangooroo.Webservice.V2.Operator">abc@abc.com.br</NotificationEmail> <PaymentType xmlns="Cangooroo.Webservice.V2.Operator"></PaymentType> <CanSeeVoucher xmlns="Cangooroo.Webservice.V2.Operator"></CanSeeVoucher> <CityName xmlns="Cangooroo.Webservice.V2.Operator"></CityName> <CountryName xmlns="Cangooroo.Webservice.V2.Operator"></CountryName> <BaseId xmlns="Cangooroo.Webservice.V2.Operator">0</BaseId> <BaseName xmlns="Cangooroo.Webservice.V2.Operator" /> <ExternalReference xmlns="Cangooroo.Webservice.V2.Operator"></ExternalReference> </createClientResult> </createClientResponse> </soap:Body> </soap:Envelope> XML; $xml = str_ireplace(['SOAP-ENV:', 'SOAP:'], '', $xmlstr); $doc = simplexml_load_string($xml, "SimpleXMLElement", LIBXML_NOWARNING ); var_dump( $doc); ?> Which results in:object(SimpleXMLElement)#1 (1) { ["Body"]=> object(SimpleXMLElement)#2 (1) { ["createClientResponse"]=> object(SimpleXMLElement)#3 (1) { ["createClientResult"]=> object(SimpleXMLElement)#4 (14) { ["ClientID"]=> object(SimpleXMLElement)#5 (0) { } ["ClientCode"]=> object(SimpleXMLElement)#6 (0) { } ["CompleteName"]=> string(4) "xxxx" ["Address"]=> string(3) "yyy" ["Phone1"]=> string(13) "(11)11111-111" ["Email"]=> string(14) "abc@abc.com.br" ["NotificationEmail"]=> string(14) "abc@abc.com.br" ["PaymentType"]=> object(SimpleXMLElement)#7 (0) { } ["CanSeeVoucher"]=> object(SimpleXMLElement)#8 (0) { } ["CityName"]=> object(SimpleXMLElement)#9 (0) { } ["CountryName"]=> object(SimpleXMLElement)#10 (0) { } ["BaseId"]=> string(1) "0" ["BaseName"]=> object(SimpleXMLElement)#11 (0) { } ["ExternalReference"]=> object(SimpleXMLElement)#12 (0) { } } } } }
T

Number of variables that do not correspond to the number of tokens in PHP update code
Software Programming • php • • terrea

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If you don't take care of space your UPDATE goes into space Your querytipo_pagamento = : tipo_pagamento,after : has a space that is sending your update pro space. So remove the space your UPDATE will land there in the database.tipo_pagamento = :tipo_pagamento,
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Help with PHP operating parameters
Software Programming • php mysql • • jonetta

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There is no standard SQL way to access a foreign key field directly unless you do the link with some join using the related key field of both tables (e.g., CAMPO_PK from the shirt table and CAMPO_FK from the player table).$query = "SELECT jugadores.*, camisa.Number FROM jugadores JOIN camisa ON camisa.CAMPO_PK=jugadores.CAMPO_FK WHERE jugadores.Id_no LIKE '%$q%' OR jugadores.Name LIKE '%$q%' OR camisa.Number LIKE '$q' ";
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Detect used date with PHP
Software Programming • php data • • kalena

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DateTime::getTimezone() - Returns the time zone matches an informed DateTime DateTimeZone::___construct() - Creates a new DateTimeZone objectFor more information see the links below http://php.net/manual/pt_BR/datetime.settimezone.php https://www.w3schools.com/php/func_date_default_timezone_set.asp
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Cooking software
Software Programming • php • • Raziyah00

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Very simple. Algorithm:Check. $_GET['ref']We remember. If there is, the man has moved on a reference line.Check the current contents. $_COOKIE['ref']We remember. If it's there, then a man has already come by the reference. If it is not available, but in the GET we have a reference reference, then we'll make a recording in the docks: the reference reference itself and the date/time of the reference entry in two positions, for example, $_COOKIE['ref'] for reference and $_COOKIE['ref_timestamp'] for date/time from function time()If there is a reference entry (now GET or early COOKIE) - check the date of the docks. The question is, "How long has a man come by the reference line," you'll be answered by the difference. time() - $_COOKIE['ref_timestamp']in seconds. Delima. (24*60*60) and get back.For reference:For the recording of the bows, http://php.net/manual/ru/function.setcookie.php for reading $_COOKIE['name']If you're on the PCP website, please draw attention to the parameters. path and domain function setcookie()There are underwater stones.A little code:<?php /* Куки передаются в заголовке HTTP, поэтому нужно предотвратить любой вывод в поток до того как мы все закончим с заголовками */ ob_start(); $html = ''; /* Если есть реферальная ссылка в запросе / if (isset($_GET['ref'])) { / Создаем запись о реферальной ссылке и куках (на 8 дней) / $ref = $_GET['ref']; $expire = 8246060; setcookie('ref', $ref, time() + $expire); setcookie('ref_timestamp', time(), time() + $expire); $html .= 'Вы зашли по реферальной ссылке в запросе, ref='.$ref.''; } /* Если есть реферальная ссылка в куках / if (isset($_COOKIE['ref']) && isset($_COOKIE['ref_timestamp'])) { $ref = $_COOKIE['ref']; $html .= 'Вы уже заходили по реферальной ссылке в куках, ref='.$ref.', дата: '.date("Y.m.d H:i:s", $_COOKIE['ref_timestamp']).''; / Здесь вы можете проанализировать время входа и выполнить дополнительные действия */ } /* Вывод */ print '<html><head><title>769191</title><meta charset="utf-8"></head><body>'.$html.'</html>'; /* Производим вывод в поток */ ob_flush(); ?> Please note that the cuisines are to be sent to Response Brauser. I mean, they'll be in. $_COOKIE Not at once, but at the next request from the same browser. So, very often after the cubes are installed, they're redirecting, even on the same page, to process the request already on the basis of the kernels.
D

Make ID check with a single foreach
Software Programming • php laravel table laravel blade laravel eloquent • • Duquan

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Yes has a hiccup, creates the contains method there in the survey, example://survey public function contains($column = 'id', $value = 0) { $users = $this->users; foreach($users as $user) { //existe algum user com $column, $value ? if($user->{$column} === $value) { return true; } } return false; } in the blade would be something like$survey->contains('id',auth()->user()->id)
K

How can I get the line that runs a function?
Software Programming • php • • kalyn

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Try using the following php function$bt = debug_backtrace(); $debugger= array_shift($bt); echo $debugger['line'];
K

How to assemble a includes system with $_GET
Software Programming • php • • kalena

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Do it like that <?php $pagina = $_GET['pagina']; if($pagina == "contato"){ include_once("Pages/contato.php"); }elseif($pagina == "outra"){ include_once("Pages/outra.php"); } ?>
How do remove the number of repetitive elements in the line and record their number in the same line?
Software Programming • javascript • • Laycee

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let text = 'маааааааааамммммммааааа ммммммммыыыыыыыыллллааа ррррааааааммммууууууу'; let result = '', lastChar = text[0], count = 0; for (let chr of text) { if (chr === lastChar) { ++count } else { result += lastChar + (count > 1 ? count : '') count = 0 lastChar = chr } } result += lastChar + (count > 1 ? count : '') console.log(result); I'm just gonna put the counter on.
How can IP not access all php files except index.php?
Software Programming • htaccess • • Laycee

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In order to permit or prohibit access by analysing the IP address of the client, an address may be indicated or placed in a directive from. In addition, it should be pointed out that a default or permit for the remaining addresses is enforced:<Files *.php> Order Deny,Allow Deny from all Allow from 10.39.9.85 </Files> <Files index.php> Allow from all </Files> Perhaps you'll need to be able to access directives in files ...htaccess for a directory used for apache for a particular site, otherwise the directives may be ignored. To this end, find in the configuration file apache (/etc/apache2/apache2.conf, /etc/httpd/httpd.conf) and indicate what properties you would like to reclassify in .htaccess (for easy reference, it can be indicated that any properties - AllowOverride All are allowed to change):<Directory /var/www/> Options Indexes FollowSymLinks AllowOverride All Require all granted </Directory> Details on Allow / Deny in .htaccess: https://htaccessbook.com/block-ip-address/ Details on AllowOverride in the Director ' s configuration: https://httpd.apache.org/docs/2.4/mod/core.html#allowoverride

Can the php get the number out of that line?

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