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This article mainly explains "how to use php echo". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn how to use php echo.

In php, echo is used to output one or more strings. The syntax is "echo (strings)", and the parameter strings represents one or more strings to be sent to the output.

This article operating environment: Windows7 system, PHP7.1 version, DELL G3 computer

What is the use of php echo?

The echo () function outputs one or more strings.

Note: the echo () function is not really a function, so you don't have to use parentheses on it. However, if you want to pass more than one parameter to echo (), using parentheses will generate a parsing error.

Hint: the echo () function is slightly faster than print ().

Tip: the echo () function also has abbreviated syntax. Prior to PHP 5.4.0, this syntax only applied when short_open_tag configuration settings were enabled.

Grammar

Echo (strings)

Parameters.

Strings is required. One or more strings to send to the output.

Example:

Example 1

Write the value of the string variable ($str) to the output:

Example 2

Write the value of the string variable ($str) to the output, including the HTML tag:

Example 3

Concatenate two string variables:

Example 4

Write array values to the output:

Example 5

Write text to the output:

Example 6

How to use multiple parameters:

Example 7

The difference between single quotes and double quotes. Single quotation marks output the variable name, not the value:

Example 8

Simplified syntax (only applicable when short_open_tag configuration settings are enabled):

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