PHP Extensions - What and Why


PHP_INI_BEGIN()
    STD_PHP_INI_ENTRY("xdebug.manual_url",        "http://www.php.net", PHP_INI_ALL,    OnUpdateString, 
        manual_url,        zend_xdebug_globals, xdebug_globals)

    STD_PHP_INI_ENTRY("xdebug.max_nesting_level", "100",                PHP_INI_ALL,    OnUpdateLong,
        max_nesting_level, zend_xdebug_globals, xdebug_globals)

    STD_PHP_INI_BOOLEAN("xdebug.overload_var_dump", "1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool,
        overload_var_dump, zend_xdebug_globals, xdebug_globals)

    STD_PHP_INI_BOOLEAN("xdebug.show_exception_trace",  "0",            PHP_INI_ALL,    OnUpdateBool,
        show_ex_trace,     zend_xdebug_globals, xdebug_globals)

name, default value
where is it active
what to do when it updates
internal globals struct field
globals struct type
global struct name