php - Why some variables are parameters and others aren't? -

-

यह होने के कारण क्या हो सकता है: 

  सार्वजनिक फ़ंक्शन __construct ($ host, $ पोर्ट, $ टाइमआउट = 5) {$ errnum = 0; $ Errstr = '';

इसके बजाय: 

  सार्वजनिक फ़ंक्शन __ रचना ($ मेजबान, $ पोर्ट, $ ग़ैरम = 0, $ errstr = '', $ timeout = 5 ) {

?

क्यों कुछ पैरामीटर और अन्य नहीं हैं?

बहुत बहुत धन्यवाद, एमईएम

एक फ़ंक्शन परिभाषा फ़ंक्शन के बीच एक अनुबंध को परिभाषित करता है और कोड जो इसे कहते हैं

एक चर एक पैरामीटर होना चाहिए, अगर कॉलर को इसका मान निर्दिष्ट करना चाहिए। अन्यथा यदि कोई चर केवल फ़ंक्शन द्वारा आंतरिक रूप से उपयोग किया जाता है, तो उसे पैरामीटर के रूप में निर्दिष्ट करने की कोई आवश्यकता नहीं है।


Comments

Post a Comment

Popular posts from this blog

wpf - Line breaks and indenting for the XAML of a saved FlowDocument? -

-
Is there a way to format XAM generated when a flow document is saved? Currently, all of this is run simultaneously in one line, and I want to break it into my elements, with line break and indenting it makes it a little easier to read. Here is the code I'm using to save a FlowDocument in a WPF RichTextBox as a XAML file: // entire document around TextRange textRange Create a TextRange side = new TextRange (myRichTextBox.Document.ContentStart, myRichTextBox.Document .contentEnd); // save the file using the file (file stream fs = file. Create (filename)) {textRange.Save (fs, DataFormats.Xaml); } Savings work fine, but as I mentioned, JPAM has been generated, all this goes together, no indentation or line breaks for its various elements Is: & lt; Section xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation" xml: space = "preserve" Tekstelinement = "left" Lainhait = "auto" Hashipineshn = enabled = "false...
Read more

c# - read full xml file data over tcp -

-
I'm developing an application that either the incoming data on the PC and then when I'm trying does it decodes the data to use the software with any sniffing have been stored in the dB and I can read it myself ... but my code .... this came in a format like 1651589240214931398151442251437622947132917620011138147205162160411201699123179148781675713921035101183865895219106213196222741589715384652061681391901278671232822552717812424975221242 11517622131122113236255230254211206911242051832545515823012124925217318223920523316923122925514321122343602492471242 ........ I have tried to use this System.Text.Encoding.ASCII.GetString (tcpHeader.Data) and it is working fine. But when I run it and wait for data (this is in XML format) I have found in many packages that it is difficult to read it again ... What should I do? Do I have to collect data from every packet, then add all to get the whole message? Or there is a library to do that in .net
Read more

Eclipse and GWT -

-
I have installed the GWT plugin in Eclipse, how does the following code run? I'm new, can someone show me graphs? Have you tried the following steps? Full page is also dedicated in the user manual. With screen shots.
Read more