What is the use of the symbol in PHP?
Hello @kartik, The @ symbol is the error control operator (“silence” or “shut-up” operator). It makes PHP suppress any error messages (notice, warning, fatal, etc) generated by the associated expression. It works just like a unary operator, for example, it has a precedence and associativity.
What symbol means in PHP?
What is Operators in PHP. Operators are symbols that tell the PHP processor to perform certain actions. For example, the addition ( + ) symbol is an operator that tells PHP to add two variables or values, while the greater-than ( > ) symbol is an operator that tells PHP to compare two values.
What does a $$$ mean in PHP?
PHP | $ vs $$ operator
The $ operator in PHP is used to declare a variable. In PHP, a variable starts with the $ sign followed by the name of the variable. For example, below is a string variable: … On the other hand, the $$var_name is known as reference variable where $var_name is a normal variable.
What does :: mean in PHP?
The Scope Resolution Operator (also called Paamayim Nekudotayim) or in simpler terms, the double colon, is a token that allows access to static, constant, and overridden properties or methods of a class. … It’s possible to reference the class using a variable.
What is the purpose of @IN PHP?
The at sign (@) is used as error control operator in PHP. When an expression is prepended with the @ sign, error messages that might be generated by that expression will be ignored. If the track_errors feature is enabled, an error message generated by the expression and it will be saved in the variable $php_errormsg.
What is the full form of PHP?
PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
Where do we use PHP?
PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server.
What are the 5 PHP operators?
PHP 5 Operators
- Arithmetic operators.
- Assignment operators.
- Comparison operators.
- Increment/Decrement operators.
- Logical operators.
- String operators.
- Array operators.
What is PHP call function?
A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.
Is equal to in PHP?
PHP Comparison Operators
|==||Equal||Returns true if $x is equal to $y|
|===||Identical||Returns true if $x is equal to $y, and they are of the same type|
|!=||Not equal||Returns true if $x is not equal to $y|
|<>||Not equal||Returns true if $x is not equal to $y|
What is Strstr PHP?
The strstr() function is a built-in function in PHP. It searches for the first occurrence of a string inside another string and displays the portion of the latter starting from the first occurrence of the former in the latter (before if specified). This function is case-sensitive.
Why do we use in PHP?
PHP stands for Hypertext Preprocessor and is a server-side programming language. … A good benefit of using PHP is that it can interact with many different database languages including MySQL. We work with MySQL at Bluelinemedia since this is also a free language so it makes sense to use PHP.
What is -> mean in PHP?
57. -> is used to call a method, or access a property, on the object of a class. => is used to assign values to the keys of an array. And since PHP 7.4+ the operator => is used too for the added arrow functions, a more concise syntax for anonymous functions.
What is PHP and its syntax?
The structure which defines PHP computer language is called PHP syntax. The PHP script is executed on the server and the HTML result is sent to the browser. It can normally have HTML and PHP tags. … PHP scripts can be written anywhere in the document within PHP tags along with normal HTML.