PHP echo and print Statements
With PHP, there are two basic ways to output data to the
screen: echo and
print.
PHP echo and print Statements
Both echo and
print are used to output data to the screen.
The differences are small:
-
echohas no return value, whileprinthas a return value of 1 so it can be used in expressions -
echocan take multiple parameters, whileprintcan take one argument -
echois marginally faster thanprint
The PHP echo Statement
The echo statement can be used with or without parentheses:
echo or echo().
Display Text
The following example shows how to output text with the
echo
command (notice that the text can contain HTML markup):
Example
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.";
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Display Variables
The following example shows how to output text and variables with the
echo
statement:
Example
$txt1 = "Learn PHP";
$txt2 = "W3Schools.com";
echo "<h2>$txt1</h2>";
echo "<p>Study PHP at $txt2</p>";
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Using Single Quotes
Strings are surrounded by quotes, but there is a difference between single and double quotes in PHP.
When using double quotes, variables can be inserted to the string as in the example above.
When using single quotes, variables have to be inserted using the
. operator, like this:
Example
$txt1 = "Learn PHP";
$txt2 = "W3Schools.com";
echo '<h2>' . $txt1 . '</h2>';
echo '<p>Study PHP at ' . $txt2 . '</p>';
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The PHP print Statement
The print statement can be used with or without
parentheses:
print or print().
Display Text
The following example shows how to output text with the
print
command (notice that the text can contain HTML markup):
Example
print "<h2>PHP is Fun!</h2>";
print "Hello world!<br>";
print "I'm about to learn PHP!";
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Display Variables
The following example shows how to output text and variables with the
print statement:
Example
$txt1 = "Learn PHP";
$txt2 = "W3Schools.com";
print "<h2>$txt1</h2>";
print "<p>Study PHP at $txt2</p>";
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Using Single Quotes
Strings are surrounded by quotes, but there is a difference between single and double quotes in PHP.
When using double quotes, variables can be inserted to the string as in the example above.
When using single quotes, variables have to be inserted using the
. operator, like this:
Example
$txt1 = "Learn PHP";
$txt2 = "W3Schools.com";
print '<h2>' . $txt1 . '</h2>';
print '<p>Study PHP at ' . $txt2 . '</p>';
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