PHP/Development/Echo — различия между версиями

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м (1 версия)
 
(нет различий)

Текущая версия на 07:03, 26 мая 2010

Echoing a String

<html>
<head>
<title>Echo Example</title>
</head>
<body>
<?php
     $string1 = "A.<br />\n";
     $string2 = "B ";
     $string3 = "Line 1
spans multiple lines.
Line3<br />";
   
     echo "Start, ", $string2, $string1;
     echo("$string2$string1");
     echo("This string $string1");
     echo($string2 . $string1);
     echo($string3);
     echo "Line 1.
lin 2!!<br />";
?>
<?=$string2,$string1?>
<?="output", " wbex.ru!", "<br />", ":-)", "<br />\n" ?>
<?="This string
spans multiple lines.
Even the newlines are output in the document source!<br />"?>
</body>
</html>



Echo multiline string

<?php
$website = "http://www.wbex.ru";
echo <<<EXCERPT
<p>Line 1
Line 2
Line 4
$website
EXCERPT;
?>



Echo variables

<?
$var1 = "PHP";          
$var2 = 5;              
$var3 = $var2 + 1;      
$var2 = $var1;          
echo($var1);            
echo($var2);            
echo($var3);            
echo($var1 . " rules!");
echo("$var1 rules!");   
echo("$var1 rules!");   
?>



Escape the inner quotation marks by placing a backslash before each one

<?
echo "<P>I think this is
really \"cool\"!</P>";
?>



Use echo command to output HTML

<?
echo "<P>Line one</P>";
echo "<P>Line 2</P>";
?>



Use Echo command to output HTML string

<html>
<head>
<title> Simple PHP Example </title>
</head>
<body>
<p><?php echo("This is a <b>test</b>!"); ?></p>
</body>
</html>



Use Echo to output string

<?php
   echo("PHP is a great programming language, isn"t it?");
?>