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PHP/Language Basics/Comments - История изменений
2026-04-05T04:03:12Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/Language_Basics/Comments&diff=908&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:26Z
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Admin: 1 версия
2010-05-26T07:05:40Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==A comment is text in a script that is ignored by the PHP engine.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
Single-line comments begin with two forward slashes (//) or a single hash sign (#). <br />
<?<br />
// this is a comment<br />
# this is another comment<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Combine three types of comment signs==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
// This is a simple PHP comment.<br />
/* This is a C-style, multiline comment. You can make this as<br />
long as you"d like. */<br />
# Used to shells? Use this kind of comment.<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==In PHP, everything between /* and */ is considered a comment==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
// or # may be used to "comment out" the remainder of a single line:<br />
<?php<br />
$var = "foo"; // This is all ignored<br />
$var = "bar"; # so is this<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Multiline comments==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
/* line1<br />
- A<br />
- B<br />
- C<br />
*/<br />
print "line 5";<br />
print "Cost: 3.25 + 9.50 + 25.00";<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Multiline comments begin with a forward slash followed by an asterisk (/*) and end with an asterisk followed by a forward slash (*/)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?<br />
/*<br />
this is a comment<br />
none of this will<br />
be parsed by the<br />
PHP engine<br />
*/<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==PHP comments are usually preceded by double slashes==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<?<br />
// this is a comment in PHP code<br />
echo "This is not a comment."<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Php more than single line comment==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
/* This begins a C-style comment that runs<br />
onto two lines */<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Php single line comment:# ==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
# This is shell-style style comment<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==PHP supports C, C++ and Unix shell-style comments==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
echo "This is a test"; // This is a one-line c++ style comment<br />
/* This is a multi line comment<br />
yet another line of comment */<br />
echo "This is yet another test";<br />
echo "One Final Test"; # This is shell-style style comment<br />
?><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==shell style comments==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="html4strict"><br />
<br />
<?php<br />
# Title: My PHP program<br />
# Author: Tom<br />
print "This is a PHP program";<br />
?><br />
<br />
</source></div>
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