<?php
echo "Hello World";
echo "This spans
multiple lines. The newlines
will be
output as well";
echo "This spans\nmultiple
lines. The newlines will
be\noutput as well.";
echo "Escaping characters
is done \"Like this\".";
// You can use variables
inside of an echo statement
$foo = "foobar";
$bar = "barbaz";
echo "foo is $foo";
// foo is foobar
// You can also use arrays
$bar = array("value"
=> "foo");
echo "this is {$bar['value']}
!"; // this is foo
!
// Using single quotes
will print the variable
name, not the value
echo 'foo is $foo'; //
foo is $foo
// If you are not using
any other characters,
you can just echo variables
echo $foo; // foobar
echo $foo,$bar; // foobarbarbaz
// Some people prefer
passing multiple parameters
to echo over concatenation.
echo 'This ', 'string
', 'was ', 'made ', 'with
multiple parameters.',
chr(10);
echo 'This ' . 'string
' . 'was ' . 'made ' .
'with concatenation.'
. "\n";
echo <<<END
This uses the "here
document" syntax
to output
multiple lines with $variable
interpolation. Note
that the here document
terminator must appear
on a
line with just a semicolon.
no extra whitespace!
END;
// Because echo does not
behave like a function,
the following code is
invalid.
($some_var) ? echo 'true'
: echo 'false';
// However, the following
examples will work:
($some_var) ? print 'true'
: print 'false'; // print
is also a construct, but
// it behaves like a function,
so
// it may be used in this
context.
echo $some_var ? 'true':
'false'; // changing the
statement around
?> |
