### PHP 関数検索へのリンクプラグイン
# usage: {{php('関数名')}}
sub php {
	my ($str) = @_;
	my $prefix = q(http://www.php.net/search.php);
	my $lang = q(ja);
	# quickref  : function list
	# wholesite : whole site
	# manual    : online documentation [en]
	# bugdb     : bug database
	# maillist  : general mailing list
	# devlist   : developer mailing list
	# phpdoc    : documentation mailing list 
	my $show = q(quickref);
	return qq(<a href="$prefix?lang=$lang&show=$show&pattern=$str" title="PHP Manual - $str">PHP Manual - $str</a>);
}