How can I assign the same value for multiple variables in PHP at once ? I have something like: $var_a = ‘A’; $var_b = ‘A’; $same_var = ‘A’; $var_d = ‘A’; $some_var =’A’; In my case, I can’t rename …
Tag: variables
PHP variable “default value”
I want to get a value from the session, but use a default if it is not defined. And ofcourse I want to circumvent the PHP notice. You can write a function that does this Example in action Is there a way to do this without defining this function in every file? Answer From PHP 7, you can now use
How to encrypt the $_GET data in php?
As in php we use $_GET to pass variables in the url , i want to pass variables which include the id of the user which i want to be anonymous, so can something be done which can encrypt the variable …
Using smarty variable within {php} tags
Very simple question, is it possible to use a smarty var inside the {php}{/php} tags. I know it’s deprecated, pointless, not recommended, etc., but please, I am looking for a simple patch ! Something …
how to check if PHP variable contains non-numbers?
I just want to know the method to check a PHP variable for any non-numbers and if it also detects spaces between characters? Need to make sure nothing weird gets put into my form fields. Thanks in advance. Answer If you mean that you only want a value to contain digits then you can use ctype_digit().
Whats the difference between {$var} and $var?
I would like to know when and why should I use {$var} and when (and why) should I use the simple form $var Answer You would use the latter when a) not accessing an object or array for the value, and b) no characters follow the variable name that could possibly be interpreted as part of it.
PHP function with variable as default value for a parameter
By default a PHP function uses $_GET variables. Sometimes this function should be called in an situation where $_GET is not set. In this case I will define the needed variables as parameter like: actionOne(234) To get an abstract code I tried something like this: which results in an error: Parse error: syntax error, unexpected T_VARIABLE Is it impossible to
PHP | define() vs. const
In PHP, you can declare constants in two ways: With define keyword Using const keyword What are the main differences between those two? When and why should you use one and when use the other? Answer As of PHP 5.3 there are two ways to define constants: Either using the const keyword or using the define() function: The fundamental difference
PHP Pass variable to next page
It seems pretty simple but I can’t find a good way to do it. Say in the first page I create a variable And the form’s action for that page is “Page2.php”. So in Page2.php, how can I have access to that variable? I know I can do it with sessions but I think it’s too much for a simple
Convert a String to Variable
I’ve got a multidimensional associative array which includes an elements like I’ve got a strings like: How can I convert the strings into a variable to access the proper array element? This method will need to work across any array at any of the dimensions. Answer Quick and dirty: Of course the input string would need to be be sanitized