в 10:37, 26 мая 2010

2010-05-26T10:37:32Z

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2010-05-26T07:07:56Z

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==Add lines and spaces to textarea==



<source lang="html4strict">

<html>
<?php
echo("<textarea>");
echo("\"as dfas dfa sdf!\"");
echo("\n(one!)");
echo("\n\n \t\t\t data ");
echo("</textarea>");
?>
</html>

</source>

==A Simple "Hello World" Script==



<source lang="html4strict">

<HTML>
<HEAD><TITLE>My First PHP Script</TITLE></HEAD>
<BODY>
<?php
echo "Hello, world!";
?>
</BODY>
</HTML>

</source>

==Correct escaping of special characters==



<source lang="html4strict">

<?php
echo "<h2 class=\"specialH2\">M!</h2>";
echo "<h2 class="specialH2">M!</h2>";
?>

</source>

==echo is more useful because you can pass it several parameters==



<source lang="html4strict">

<?php
echo "This ", "is ", "a ", "test.";
?>

</source>

==Echo out html tags==



<source lang="html4strict">

<html>
<?php echo( "<h1>Hello World</h1>" ); ?>
</html>

</source>

==echo versus print==



<source lang="html4strict">

<?php
(12 == $status) ? print "Status is good" : error_log("Problem with status!");
?>

</source>

==embedded variables are handled when the string is created with single or double quotes.==



<source lang="html4strict">

<?php
$a = 10;
$b = 15.7;
echo "The value of \$a is $a and the value of \$b is $b\n";
echo "The value of \$a is $a and the value of \$b is $b\n";
?>

</source>

==Enclosure html into a string and echo out==



<source lang="html4strict">

<html>
<?php
$str = "<textarea rows=\"5\" cols=\"48\">\"this is a test!\"\n(test!)\n\n \t\t\t Caligula </textarea>";
echo( $str );
?>
</html>

</source>

==Formatting of Numeric Data==



<source lang="html4strict">

<?php
$i = 123;
$f = 12.567;
echo "\$i = $i and \$f = $f\n";
?>

</source>

==how arrays embedded in strings will be converted.==



<source lang="html4strict">

<?php
$arr = array(
1 => "abc",
"abc" => 123.5,
array(1,2,3)
);
$key = "abc";
echo "First value = $arr[1]\n";
echo "Second value = $arr[abc]\n";
echo "Third value = $arr[2]\n";
echo "Third value = $arr[2][2]\n";
echo "Second value = ${arr["abc"]}\n";
echo "Second value = ${arr["abc"]}\n";
echo "Second value = ${arr[$key]}\n";
?>

</source>

==Key-value array elements==



<source lang="html4strict">

<html>
<head>
<title>Key-value array elements</title>
</head>
<body>
<ol>
<?php
$arr = array( "version" => 10, "OS"=> "Linux", "os" => " Mandrake ");

echo("Platform: ". $arr["OS"]. $arr["os"]. $arr["version"]);
?>
</ol>
</body>
</html>

</source>

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PHP/Utility Function/echo - История изменений

в 10:37, 26 мая 2010

Admin: 1 версия