What are the basic output methods of php

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The two basic output methods of php are "echo" and "print". Echo is used to output one or more strings, can accept multiple parameters and no return value, syntax "echo ($str)", while print is used to output a string, which can only accept one parameter and return value, syntax "print ($str)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In PHP, there are two basic output methods: echo and print.

The difference between echo and print

Echo-outputs one or more strings, can accept multiple parameters and has no return value

Print-can output only one string, can only accept one parameter and has a return value, and always returns 1

Tip: echo is slightly faster than print because it does not return any values.

PHP echo statement

1.echo is a language structure that can be used with or without parentheses: echo or echo ()

two。 Display strings, the following example shows how to use the echo command to display different strings (and note that strings can contain HTML tags)