![]() The data sent by POST method goes through HTTP header so security depends on HTTP protocol. The POST method can be used to send ASCII as well as binary data. The POST method does not have any restriction on data size to be sent. ![]() The information is encoded as described in case of GET method and put into a header called QUERY_STRING. The POST method transfers information via HTTP headers. Try out following example by putting the source code in test.php script.Įcho “You are “. The PHP provides $_GET associative array to access all the sent information using GET method. The data sent by GET method can be accessed using QUERY_STRING environment variable. GET can’t be used to send binary data, like images or word documents, to the server. Never use GET method if you have password or other sensitive information to be sent to the server. The GET method is restricted to send upto 1024 characters only. The GET method produces a long string that appears in your server logs, in the browser’s Location: box. The page and the encoded information are separated by the ? character. The GET method sends the encoded user information appended to the page request. After the information is encoded it is sent to the server. Spaces are removed and replaced with the + character and any other nonalphanumeric characters are replaced with a hexadecimal values. In this scheme, name/value pairs are joined with equal signs and different pairs are separated by the ampersand. There are two ways the browser client can send information to the web server.īefore the browser sends the information, it encodes it using a scheme called URL encoding. Note 3: Global and Session variables can be reseted using sc_reset_global macro.įields can be called using “curly brackets”. If the application is RECEIVING the variable from another one, so it should be an IN variable. If the application is CREATING the variable, so it should be an OUT variable. Note 2: Accessing “Application>Global Variables” you can define if a global/session variable is IN or OUT variable. If I create it in the login application, so I can call it in any application of my project. Session variables can be called in any event of any application. It is used like a global variable (with square brackets)īut you must access “Application>Global Variables” to set var4 to be “SESSION”. ![]() " global variables" // Now we can call in any other event Sc_set_global($var3) // transforming var3 in a global variableĮcho. $var3 = ‘testing’ // var3 is a local variable Note 1: A local variable can be a global variable if you use sc_set_global If it is being used in onLoad event it will be used just in that event.Ĭan be called in any event or method of an application. Its scope is finished at the end of the event. It should be used as a common PHP variable (beginning with $). Now we will see how variables work in Scriptcase.
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