array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'en', ), 'this' => array ( 0 => 'ctype.installation.php', 1 => 'Installation', ), 'up' => array ( 0 => 'ctype.setup.php', 1 => 'Installing/Configuring', ), 'prev' => array ( 0 => 'ctype.requirements.php', 1 => 'Requirements', ), 'next' => array ( 0 => 'ctype.configuration.php', 1 => 'Runtime Configuration', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/ctype/configure.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
This extension is enabled by default. It may be disabled by using the following option at compile time: --disable-ctype
The Windows version of PHP has built-in support for this extension. You do not need to load any additional extensions in order to use these functions.