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PHP/Development/Printf - История изменений
2026-04-04T19:49:03Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/Development/Printf&diff=422&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:25Z
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 10:37, 26 мая 2010</td>
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http://wbex.ru/index.php?title=PHP/Development/Printf&diff=423&oldid=prev
Admin: 1 версия
2010-05-26T07:04:00Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==printf: %05f==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("left-pad numbers with zeroes: %05f\n", 33.22);<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %b==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %b</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Binary: %b<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %d==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %d</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Decimal: %d<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %d, %c==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("The character value of %d is %c\n", 72, 72);<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %f==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %f</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Double: %f<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf %f,%10f,%-010f,%2.2f==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
:<br />
<pre><br />
<?php<br />
$value = 3.14159;<br />
printf("%f,%10f,%-010f,%2.2f\n", $value, $value, $value, $value);<br />
?><br />
</pre><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %f, %.2f==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("Control the number of decimals in %f with %.2f\n", 5.1234, 5.1234);<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: hexadecimal representation %x==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("The hexadecimal representation of %d is %x\n", 92, 92);<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: left-pad a number and specify precision: %05.2f==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("left-pad a number and specify precision: %05.2f\n", 33.22);<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: Left-pad the string %s, %-6s==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("Left-pad the string %s with dashes: %"-6s\n", "foo", "foo");<br />
<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %o==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %o</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Octal: %o<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: octal representation %o==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("octal representation is %o)\n", 92);<br />
<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: right-pad with dashes: %"--6s==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
printf ("right-pad it with dashes: %"--6s\n", "foo", "foo");<br />
<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %s==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %s</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("String: %s<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: Specifying a Field Width==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
print "<pre>";<br />
printf("%20s\n", "Books");<br />
printf("%20s\n", "CDs");<br />
printf("%20s\n", "Games");<br />
printf("%20s\n", "Magazines");<br />
print "</pre>";<br />
?><br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %x (lowercase x)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %x</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Hex (lower): %x<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==printf: %X (uppercase X)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>printf: %X</title><br />
</head><br />
<body><br />
<?php<br />
$number = 543;<br />
printf("Hex (upper): %X<br>", $number );<br />
?><br />
</body><br />
</html><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Type Specifiers==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
/*<br />
Specifier Description<br />
d Display argument as a decimal number<br />
b Display an integer as a binary number<br />
c Display an integer as ASCII equivalent<br />
f Display an integer as a floating-point number (double)<br />
o Display an integer as an octal number (base 8)<br />
s Display argument as a string<br />
x Display an integer as a lowercase hexadecimal number (base 16)<br />
X Display an integer as an uppercase hexadecimal number (base 16)<br />
*/<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Using printf() to Format a List of Product Prices==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<html><br />
<head><br />
<title>Using printf() to format a list of product prices</title><br />
</head><br />
<body><br />
<?php<br />
$products = Array("Pencil"=>"222.4",<br />
"Cake"=>"4",<br />
"Coffee table"=>80.6<br />
);<br />
print "<pre>";<br />
printf("%-20s%23s\n", "Name", "Price");<br />
printf("%"-43s\n", "");<br />
foreach ( $products as $key=>$val )<br />
printf( "%-20s%20.2f\n", $key, $val );<br />
printf("</pre>");<br />
?><br />
</body><br />
</html><br />
<br />
</source></div>
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