CVS update: php3/doc/chapters

Date: Sunday February 28, 1999 @ 2:31 Author: eschmid Update of /repository/php3/doc/chapters In directory asf:/u/temp/cvs-serv25174 Modified Files: lang-syntax.sgml Log Message: Minor fix and added Alexander's annotation. Index: php3/doc/chapters/lang-syntax.sgml diff -c php3/doc/chapters/lang-syntax.sgml:1.30 php3/doc/chapters/lang-syntax.sgml:1.31 *** php3/doc/chapters/lang-syntax.sgml:1.30 Mon Feb 15 08:08:14 1999 --- php3/doc/chapters/lang-syntax.sgml Sun Feb 28 02:31:05 1999 *************** *** 9,21 **** <title>Escaping from HTML</title> <para> ! There are three ways of escaping from HTML and entering "PHP code mode": <example> <title>Ways of escaping from HTML</title> <programlisting> ! 1. &lt;? echo("this is the simplest, an SGML processing instruction\n"); ?> 2. &lt;?php echo("if you want to serve XML documents, do like this\n"); ?> --- 9,21 ---- <title>Escaping from HTML</title> <para> ! There are four ways of escaping from HTML and entering "PHP code mode": <example> <title>Ways of escaping from HTML</title> <programlisting> ! 1. &lt;? echo ("this is the simplest, an SGML processing instruction\n"); ?> 2. &lt;?php echo("if you want to serve XML documents, do like this\n"); ?> *************** *** 24,30 **** like processing instructions"); &lt;/script>; ! 4. &lt;% echo("As of PHP 3.0.4 you may optionally use ASP-style tags"); %> </programlisting> </example> --- 24,30 ---- like processing instructions"); &lt;/script>; ! 4. &lt;% echo ("As of PHP 3.0.4 you may optionally use ASP-style tags"); %> </programlisting> </example> *************** *** 523,541 **** <informalexample> <programlisting> ! $foo = "0"; // $foo is a string (ASCII 48) $foo++; // $foo is the string "1" (ASCII 49) $foo += 1; // $foo is now an integer (2) $foo = $foo + 1.3; // $foo is now a double (3.3) ! $foo = 5 + "10 Little Piggies"; // $foo is a integer (15) ! $foo = 5 + "10 Small Pigs"; // $foo is an integer (15) </programlisting> </informalexample> <simpara> If the last two examples above seem odd, see <link ! linkend="lang-syntax.stringconv">String conversion</link>. ! <simpara> If you wish to force a variable to be evaluated as a certain type, see the section on <link --- 523,540 ---- <informalexample> <programlisting> ! $foo = "0"; // $foo is string (ASCII 48) $foo++; // $foo is the string "1" (ASCII 49) $foo += 1; // $foo is now an integer (2) $foo = $foo + 1.3; // $foo is now a double (3.3) ! $foo = 5 + "10 Little Piggies"; // $foo is integer (15) ! $foo = 5 + "10 Small Pigs"; // $foo is integer (15) </programlisting> </informalexample> <simpara> If the last two examples above seem odd, see <link ! linkend="lang-syntax.stringconv">String conversion</link>. <simpara> If you wish to force a variable to be evaluated as a certain type, see the section on <link *************** *** 615,631 **** <informalexample> <programlisting> ! $foo = 1 + "10.5"; // $foo is a double (11.5) ! $foo = 1 + "-1.3e3"; // $foo is a double (-1299) ! $foo = 1 + "bob-1.3e3"; // $foo is an integer (1) ! $foo = 1 + "bob3"; // $foo is an integer (1) ! $foo = 1 + "10 Small Pigs"; // $foo is an integer (11) ! $foo = 1 + "10 Little Piggies"; // $foo is an integer (11); ! // the string contains 'e' </programlisting> </informalexample> <simpara> For more information on this conversion, see the Unix manual page for strtod(3). --- 614,635 ---- <informalexample> <programlisting> ! $foo = 1 + "10.5"; // $foo is double (11.5) ! $foo = 1 + "-1.3e3"; // $foo is double (-1299) ! $foo = 1 + "bob-1.3e3"; // $foo is integer (1) ! $foo = 1 + "bob3"; // $foo is integer (1) ! $foo = 1 + "10 Small Pigs"; // $foo is integer (11) ! $foo = 1 + "10 Little Piggies"; // $foo is integer (11); ! $foo = "10.0 pigs " + 1; // $foo is int (11) ! $foo = "10.0 pigs " + 1.0; // $foo is double (11) </programlisting> </informalexample> <simpara> + The type of the variable depends on the second not on the first + expression, when the first expression is a string. + + <simpara> For more information on this conversion, see the Unix manual page for strtod(3). *************** *** 634,643 **** <title>Array manipulation</title> <para> ! PHP supports both scalar and associative arrays. In fact, there is no ! difference between the two. You can create an array using the ! <function>list</function> or <function>array</function> functions, or ! you can explicitly set each array element value. <informalexample> <programlisting> --- 638,647 ---- <title>Array manipulation</title> <para> ! PHP supports both scalar and associative arrays. In fact, there ! is no difference between the two. You can create an array using ! the <function>list</function> or <function>array</function> ! functions, or you can explicitly set each array element value. <informalexample> <programlisting> -- PHP Development Mailing List http://www.php.net/ To unsubscribe send an empty message to php-dev-unsubscribe@lists.php.net For help: php-dev-help@lists.php.net