PHP-Passing arguments by reference By default, function arguments are passed by value (so that if the value of the argument within the function is changed, it does not get changed outside of the function). To allow a function to modify its arguments, they must be passed by reference. To have an argument to a function … Read more
PHP- Function arguments Information may be passed to functions via the argument list, which is a comma-delimited list of expressions. The arguments are evaluated from left to right. PHP supports passing arguments by value (the default), passing by reference, and default argument values. Variable-length argument lists and Named Arguments are also supported. Example #1 Function with one argument Example #2 Function … Read more
PHP Functions PHP function is a piece of code that can be reused many times. It can take input as argument list and return value. There are thousands of built-in functions in PHP. The real power of PHP comes from its functions. Advantage of PHP Functions Code Reusability: PHP functions are defined only once and … Read more
PHP Multidimensional Arrays In the previous article, we have described arrays that are a single list of key/value pairs.However, sometimes you want to store values with more than one key. For this, we have multidimensional arrays. A multidimensional array is an array containing one or more arrays. PHP supports multidimensional arrays that are two, three, … Read more
PHP Associative Arrays Syntax: Syntax for associative arrays: Associative arrays are arrays that use named keys that you assign to them. There are two ways to create an associative array: or the key and value can be assigned manually: The named keys can then be used in a script: Loop Through an Associative Array: To … Read more