Knowledge and application of PHP 5 echo and print statements

There are two basic output methods in PHP: echo and print. In this article we will discuss the usage of the two statements in detail and demonstrate how to use echo and print in examples.

PHP echo and print statements

The difference between echo and print:

echo - can output one or more strings

print - Only one string is allowed to be output, and the return value is always 1

Tips: echo outputs faster than print, echo has no return value, and print has a return value of 1.

PHP echo statement

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

Display string

The following example demonstrateshow to use the echo command to output a string (the string can contain HTML tags):

Example

<?phpecho "<h2 id="PHP-nbsp-很有趣">PHP 很有趣!</h2>";echo "Hello world!<br>";echo "我要学 PHP!<br>";echo "这是一个", "字符串，", "使用了", "多个", "参数。";?>

Try it »

Show Variables

The following example demonstrates how to use the echo command to output variables and strings:

Example

<?php$txt1="学习 PHP";$txt2="RUNOOB.COM";$cars=array("Volvo","BMW","Toyota"); 
echo $txt1;echo "<br>";echo "在 $txt2 学习 PHP ";echo "<br>";echo "我车的品牌是 {$cars[0]}";?>

PHP print statement

print is also a language structure that can use parentheses or not: print or print().

Display string

The following example demonstrates how to use the print command to output a string (the string can contain HTML tags):

Example

< ;?phpprint "

PHP is very interesting!

";print "Hello world!
";print "I want to learn PHP!";?>

Display variables

The following example demonstrates how to use the print command to output variables and strings:

Example

<?php$txt1="学习 PHP";$txt2="RUNOOB.COM";$cars=array("Volvo","BMW","Toyota"); 
print $txt1;print "<br>";print "在 $txt2 学习 PHP ";print "<br>";print "我车的品牌是 {$cars[0]}";?>

This article is about the knowledge and application of PHP 5 echo and print statements. There are some explanations. For more learning materials, please pay attention to the php Chinese website to view.

Related recommendations:

What are the differences between php magic variables METHOD and FUNCTION

detailed explanation of php magic variable usage examples, php Detailed explanation of magic examples_PHP tutorial

PHP Understanding and application of relevant knowledge of magic variables

The above is the detailed content of Knowledge and application of PHP 5 echo and print statements. For more information, please follow other related articles on the PHP Chinese website!