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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'm about to learn PHP!<br>"; echo "This", " string", " was", " made", " with multiple parameters."; ?>
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]}"; ?>
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'm about to learn PHP!"; ?>
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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