php use variable as array key
Is it possible to set the value of a key value pair to be a dynamic variable that is coming into my PHP script? Heres my sql statement: PHP Code"FROM gettable WHERE " . getcolumn[qid] ." " . pnVarPrepForStore(tid) So basically my question is how can you use a variable to define an array key? Just wondering if there is a way around this (or if it is even possible). So I have a section of code similar to this. I have a string, with a value that contains square brackets, similar to those used when accessing an array key. I want to create that array key itself by using the strings value. If you need to add a month name (ex. January) in your program, youll declare a variable name and assign the name in it. Like this-. value) varname "frm".key varname value This uses foreach, so you need at least PHP 4 to do this. Yes we can, copy paste the following code on an empty PHP code.
EDIT: The biggest problem here is that, one array is multidimentional. PHP HOME PHP Intro PHP Install PHP Syntax PHP Variables PHP Echo / Print PHP Data Types PHP Strings PHP Constants PHP Operators PHP IfElseElseif PHP Switch PHP While Loops PHP For Loops PHP Functions PHP Array Reference. Example. Check if the key "Volvo" exists in an array Use PHP Array as a 1-dimensional array. a1 array(2, 1, 0) Without a key, key value starts from 0 and increment by 1 each time .PHP Array Function. Assign arrays element to different variables. which has been decoded and that has been saved in an php array.Note: the fieldName1 will have unique values I am getting Notice: Array to string conversion error I understand this due to assoc is an array type but how to get the key from this array? Each arrays element has a key and value. The key in array can be a string or a number. You use a key to look up a value of an element.PHP also does not require you to declare array variable before using it. Can I use a generated variable name in PHP? PHP use function return value as array.php compare array keys, not values. PHP question about multidimensional array. PHP create key > value pairs within a foreach. is it possible to use a variable to reference an array key? e.g. currentstudent "BillyBob" ARRAY[currentstudent]40 I want to create that array key itself by using the strings value.after you execute string thisworks PHP creates a variable with name welcome["hello"] literally with value set to thisworks. To print it use this notation Just wondering if there is a way around this (or if it is even possible). So I have a section of code similar to this. I have a string, with a value that contains square brackets, similar to those used when accessing an array key. I want to create that array key itself by using the strings value. I am trying to test if the array key matches X, set a variable as its value. Heres what I haveInsert variables and arrays in different database tables using PHP and MySQLi 2009-03-07. An Array is a PHP datatype used to store a group of data into a variable. Each array item is stored as a key and value pair.It requires the array variable as its argument to move the array pointer to its original position. To reference the elements in the array, youll have to use the array key like this.This is possible through what the PHP Manual calls variable variables. The idea is that the value of one variable is used as the name of another variable. Lean how to turn key / value arrays into standard variables in PHP. Avoid arrays if you can.I dont mind using arrays -- in fact, I love them. Theyre easy to use and hold collections of information well. Tagged: arrays, php.Is there a function available what I can use to create an new array with a variable as key? Like this? Here is the quick article which shows the difference between two PHP functions which are isset() and arraykeyexists(). One basic difference is that isset() can be used with array and variables both whileUnlike arraykeyexists(), isset() will check the existence plus the value of the varible.