What value will Var_dump show?
var_dump will display the name, key/value pairs, and data types of a variable.
What is the difference between Var_dump () and Print_r ()?
The var_dump() function displays structured information about variables/expressions including its type and value. Whereas The print_r() displays information about a variable in a way that’s readable by humans.
What is the difference between Echo print Print_r and Var_dump?
var_dump prints out a detailed dump of a variable, including its type and the type of any sub-items (if it’s an array or an object). print_r prints a variable in a more human-readable form: strings are not quoted, type information is omitted, array sizes aren’t given, etc.
What is Var_dump () function?
The var_dump() function is used to dump information about a variable. This function displays structured information such as type and value of the given variable. Arrays and objects are explored recursively with values indented to show structure. This function is also effective with expressions.
Can you console log in PHP?
Is equal in PHP?
The comparison operator called Equal Operator is the double equal sign “==”. … The assignment operator changes and assigns the variable on the left to have a new value as the variable on right, while the equal operator == tests for equality and returns true or false as per the comparison results.
How do I debug PHP?
Here are the steps to doing PHP programming:
- Check for PHP extensions in VS Code.
- Install the PHP Debug extension.
- Click “reload” to reload VS Code.
- Install Xdebug. …
- Now when you have the right version, put it in the PHP/ext directory.
- Next, you need to configure PHP to use the extension and allow remote debugging.
What is get type function do?
The gettype() function is an inbuilt function in PHP which is used to get the type of a variable. It is used to check the type of existing variable. Parameter: This function accepts a single parameter $var. It is the name of variable which is needed to be checked for type of variable.
Why Print_r is used in PHP?
The print_r() function is a built-in function in PHP and is used to print or display information stored in a variable. … This parameter is of boolean type whose default value is FALSE and is used to store the output of the print_r() function in a variable rather than printing it.
Why we use $_ POST in PHP?
PHP $_POST is a PHP super global variable which is used to collect form data after submitting an HTML form with method=”post“. $_POST is also widely used to pass variables.
What is DD () in laravel?
dd stands for “Dump and Die.” Laravel’s dd() function can be defined as a helper function, which is used to dump a variable’s contents to the browser and prevent the further script execution.