Example tutorial of echo and print statements in PHP

王林
Release: 2023-04-07 19:52:01
Original
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Example tutorial of echo and print statements in PHP

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

The difference between echo and print

echo can output more than one string.

print can only output a string and always returns 1.

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

PHP echo statement

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

Display strings

The following example shows how to use the echo command to display different strings (also please note that the string can contain HTML tag):

<?php
echo "<h2>PHP is fun!</h2>";
echo "Hello world!<br>";
echo "I&#39;m about to learn PHP!<br>";
echo "This", " string", " was", " made", " with multiple parameters.";
?>
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Display variables

The following example shows how to use the echo command to display strings and variables:

<?php
$txt1="Learn PHP";
$txt2="W3School.com.cn";
$cars=array("Volvo","BMW","SAAB");
 
echo $txt1;
echo "<br>";
echo "Study PHP at $txt2";
echo "My car is a {$cars[0]}";
?>
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PHP print statement

#print is also a language structure and can be used with or without parentheses: print or print().

Display string

The following example shows how to use the print command to display different strings (please also note that the string can contain HTML tag):

<?php
print "<h2>PHP is fun!</h2>";
print "Hello world!<br>";
print "I&#39;m about to learn PHP!";
?>
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Display variables

The following example shows how to use the print command to display strings and variables:

<?php
$txt1="Learn PHP";
$txt2="W3School.com.cn";
$cars=array("Volvo","BMW","SAAB");
 
print $txt1;
print "<br>";
print "Study PHP at $txt2";
print "My car is a {$cars[0]}";
?>
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