what ternary operator

private function reset_config($conf,$set_conf= '') { $set_conf = & $set_conf == '' ? $this->config : $set_conf; foreach($conf as $key => $value) { if(isset($set_conf[$key])) { if(is_string(

A simple example of color rotation, using a ternary operator ProgramConcise. We once saw on the website that the background color of some table cells changes across rows. In fact, we use the following small section CodeYou can achieve: $ color = (

9 Summary of PHP development experience 1. Primary Awareness: Security Most of the time, we develop web programs that need to deal with databases, so it's almost possible to say that SQL injection is a problem that can't be avoided to discuss. And

PHP Programming notes sharing, PHP programming notes Three ways to get post data from PHPPHP image plus watermark source codeOne of the simplest examples of Php+ajax+jsonPHP Chinese Pinyin Source codePHP iterates through directories, generates MD5

PHP reading notes (4)-Operators, PHP reading notes operators What is an operator 　　What is an operator? The operator is an identifying symbol that tells PHP to do the related operations. For example, you need to calculate how much 123 times 456

1. Assigning valuesThe assignment of a base type is to copy the contents of one place directly to another.When an object is assigned an artificial value, the object is actually referenced, and if "assign one object to another", it is actually

What is an operator　　What is an operator? The operator is an identifying symbol that tells PHP to do the related operations. For example, you need to calculate how much 123 times 456 equals, then you need a symbol to tell the server that you need to

xTable of Contents [1] Number of [2] precedence [3] binding [4] type [5] rules in front of the statementMost of the operators in JavaScript are represented by punctuation, a few are represented by keywords, their syntax is concise, and their numbers

1. Embedding RulesJavaScript program should be placed in the. js file, need to call the time in the page in the form of "Filename.js" > included in. if the javascript Code is not dedicated to the page, you should try to avoid writing JavaScript code

C # basic knowledge of C # BASIC program structure, C # syntax basics, etc, Program Design Overview: The software includes two aspects: Program and document. The programming language is a specialized language used to compile computer programs, such

Tag: greater than operation break nbsp ternary operator Switch script case BSPThree judgments: if else, ternary operator, can solve all the problems in JSSwitch case Example: var a = 10; if (a=0&& a10) {Console.log ("Greater than 10")} Ternary

Previous wordsThere are 46 operators in JavaScript, in addition to the arithmetic operators, relational operators, bitwise operators, and logical operators already described earlier, there are many operators. This article describes the conditional,

1, JS has several data types?JS consists of 5 simple data types: Undefined, Null, Boolean, number, String, and a complex data type: object.2, the role of typeof?If we want to know which data type a variable belongs to, then you can use the TypeOf

1.1 Basic structure and basic grammar points of C # programHere, you'll take a closer look at the console application example and break down the structure a bit. Here ' s the

1. In Groovy, def can be used to define non-type variables (which is similar to var in JavaScript in defining variables), and return a non-type method without def in Java. 2. The equals method in Java corresponds to = in Groovy, And the = (to

I. Features of the Java programming language (a purely object-oriented language):1, Object-orientedA, PackageB, inheritanceC, polymorphic2, security3, cross-platformTwo. See below a simple Java program that will print the string Hello world! Public

Number of operationsThere are 46 operators in JavaScript, and if they are categorized according to the number of their operands, most of them are two-dollar operators (binary operator) with two operands, which combine two expressions into complex

Operators are special symbols or phrases that check, change, merge values,Swift supports most of the standard C-language operators and improves many features to reduce general coding errors./*Such as: the assignment (=) does not return a value to

Smooth degradationJS is separated from HTML tags?If you have two functions: Firstfunction and Secondfunction, if you want both of them to be executed when the page loads, you can call the function addloadevent, only one parameter, which is the name

All of these tips can help you compress your code and optimize your operation. In addition, you can easily use them in real projects in your daily work.Tip # # #. Exchange two numbers in situPython provides an intuitive way to assign values and