PHP/Development/Echo
Содержание
Echoing a String
<source lang="html4strict">
<html> <head> <title>Echo Example</title> </head> <body> <?php
$string1 = "A.
\n"; $string2 = "B "; $string3 = "Line 1
spans multiple lines.
Line3
";
echo "Start, ", $string2, $string1;
echo("$string2$string1");
echo("This string $string1");
echo($string2 . $string1);
echo($string3);
echo "Line 1.
lin 2!!
";
?>
<?=$string2,$string1?>
<?="output", " wbex.ru!", "
", ":-)", "
\n" ?>
<?="This string
spans multiple lines.
Even the newlines are output in the document source!
"?>
</body>
</html>
</source>
Echo multiline string
<source lang="html4strict">
<?php $website = "http://www.wbex.ru"; echo <<<EXCERPT
Line 1 Line 2 Line 4 $website EXCERPT; ?> </source>
Echo variables
<source lang="html4strict">
<? $var1 = "PHP"; $var2 = 5; $var3 = $var2 + 1; $var2 = $var1; echo($var1); echo($var2); echo($var3); echo($var1 . " rules!"); echo("$var1 rules!"); echo("$var1 rules!"); ?>
</source>
Escape the inner quotation marks by placing a backslash before each one
<source lang="html4strict">
<? echo "<P>I think this is
really \"cool\"!";?>
</source>
Use echo command to output HTML
<source lang="html4strict">
<?
echo "Line one
"; echo "Line 2
";?>
</source>
Use Echo command to output HTML string
<source lang="html4strict">
<html> <head> <title> Simple PHP Example </title> </head> <body>
<?php echo("This is a test!"); ?>
</body> </html>
</source>
Use Echo to output string
<source lang="html4strict">
<?php
echo("PHP is a great programming language, isn"t it?");
?>
</source>
