How do you echo in PHP?

How does echo work in PHP?

Echo simply outputs the strings that it is given, if viewing in the browser it will output the strings to the browser, if it’s through command line then it will output the strings to the command line. In index. php and backend.

How do I echo a space in PHP?

How to Create a Space in PHP Code

  1. Open the PHP file in a text editor, such as Windows Notepad. …
  2. Add a single space between PHP variables by adding the code “echo $variable1 .” “. …
  3. Add multiple spaces by adding the code “echo $variable1 .” “. …
  4. Add a space as a line break with the code “echo “rn””, “echo “

What does PHP echo return?

Unlike some other language constructs, echo does not have any return value, so it cannot be used in the context of an expression. echo also has a shortcut syntax, where you can immediately follow the opening tag with an equals sign.

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What is difference between ECHO and Print_r in PHP?

print_r prints human-readable information about a variable, while echo is used only for strings. Echo just gives the value, print_r gives more information about the variable itself, such as the type of data and the elements in the array, if applicable.

What is use of echo command?

Echo is a Unix/Linux command tool used for displaying lines of text or string which are passed as arguments on the command line. This is one of the basic command in linux and most commonly used in shell scripts.

Does spacing matter in PHP?

Whitespaces are generally ignored in PHP syntax, but there are several places where you cannot put them without affecting the sense (and the result).

What is the use of Str_pad in PHP?

The str_pad() function is a built-in function in PHP and is used to pad a string to a given length. We can pad the input string by any other string up to a specified length.

How do I use &NBSP?

Type   where you want to insert an extra space.

Add one non-breaking space character for every space you want to add. Unlike pressing the spacebar multiple times in your HTML code, typing   more than once creates as many spaces as there are instances of   .

What is the difference between PHP echo and PHP return?

You only use echo when you want to print something onto the screen or within the markup i.e text on the screen, path to an image or title on the top of an html page. Return is commonly used in a function to return the output of the function i.e.

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What is the output of PHP echo I am a PHP script?

It output one or more strings. We can use ‘echo’ to output strings, numbers, variables, values, and results of expressions. Below are some usage of echo statement in PHP: Displaying Strings: We can simply use the keyword echo followed by the string to be displayed within quotes.

How do you echo an array?

To see the contents of array you can use.

  1. print_r($array); or if you want nicely formatted array then: …
  2. use var_dump($array) to get more information of the content in the array like datatype and length.
  3. you can loop the array using php’s foreach(); and get the desired output.

What is echo and print in PHP?

echo and print are more or less the same. They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument.

What is the main difference between ECHO and Var_dump in PHP?


var_dump() print_r()
var_dump() displays values along with data types as output. print_r() displays only value as output.
It does not have any return type. It will return a value that is in string format.
The data returned by this function is difficult to understand. The data returned by this function is human-readable.

What is Echo Pre?

prints out Hello World! to the web server response. echo(“<prev>”); prints out the tag to the web server response. echo do not require valid HTML tags. You can use PHP to print XML, images, excel, HTML and so on.

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