I have (or not) a variable $_GET[\'myvar\'] coming from my qu开发者_StackOverflow社区ery string and I want to check if this variable exists and also if the value corresponds to something inside my if
I am trying to simply set a开发者_开发技巧 variable and have it passed back to the same PHP script as called, however it doesn\'t work.
I need to check if value is defined as anythin开发者_如何学Gog, including null. isset treats null values as undefined and returns false. Take the following as an example:
I wonder what is slower or faster: if( @$myvar[\'test\'] === null ) { .. } or: if( !isset( $myvar[\'test\'] )) { .. }
I want to check if a variable called $smth is blank (I mean empty space), and I also want to check if开发者_如何转开发 it is set using the function I defined below:
Is there a way to check if an object has any fields?For example, I have a soap server I am querying using a soap client and if I call a get method, I am either returned an object containing fields def
How do you test to see if sessions are on. This is not the way... session_start(); if(isset($_SESSION)开发者_JAVA百科) {
I was wondering if my code below is even correct, I\'ve been having numerous errors with this, but am not sure if the problem really exists here. The code is below:
What could happen if my template looks for variables which weren\'t assigned? For example: var id = \'{$tpl_id}\';
I want to use magic function __set() and __get() for storing SQL data inside a php5 class and I get some strange issue using them inside a function:
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