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The difference between php echo and print statements

不言
不言Original
2018-08-03 11:52:332692browse

This article introduces to you the difference between the echo statement and the print statement in PHP5. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

The difference between php echo and print statements

PHP echo and print statements

The difference between echo and print:

  • echo - Can output one or multiple strings, has no return value

  • print - only allowed Output a string, 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.

Recommended: "PHP Tutorial"

PHP echo statement

echo is a language structure that uses You don't need to add parentheses, or you can add parentheses: echo or echo().

Display string

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

<?php
echo "<h2>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。";
?>

How Output variables and strings

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

print statement

Except that only one string can be output at a time, it is the same as echo It's not that different.

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

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echo( in php )Usage of function (with code)

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