helly Mon Nov 4 05:51:08 2002 EDT Added files: /php4/tests/lang bug20175.phpt Log: See http://bugs.php.net/20175
Index: php4/tests/lang/bug20175.phpt +++ php4/tests/lang/bug20175.phpt --TEST-- Bug #20175 (Static vars can't store ref to new instance) --FILE-- <?php /* Part 1: * Storing the result of a function in a static variable. * foo_global() increments global variable $foo_count whenever it is executed. * When foo_static() is called it checks for the static variable $foo_value * being initialised. In case initialisation is necessary foo_global() will be * called. Since that must happen only once the return value should be equal. */ $foo_count = 0; function foo_global() { global $foo_count; return 'foo:' . ++$foo_count; } function foo_static() { static $foo_value; if (!isset($foo_value)) { $foo_value = foo_global(); } return $foo_value; } /* Part 2: * Storing a reference to the result of a function in a static variable. * Same as Part 1 but: * The return statment transports a copy of the value to return. In other * words the return value of bar_global() is a temporary variable only valid * after the function call bar_global() is done in current local scope. */ $bar_global = 0; function bar_global() { global $bar_count; return 'bar:' . ++$bar_count; } function bar_static() { static $bar_value; if (!isset($bar_value)) { $bar_value = &bar_global(); } return $bar_value; } /* Part 3: * Storing a reference to the result of a function in a static variable. * Same as Part 2 but wow_global() returns a reference. */ $wow_global = 0; $wow_name = ''; function &wow_global() { global $wow_count, $wow_name; $wow_name = 'wow:' . ++$wow_count; return $wow_name; } function wow_static() { static $wow_value; if (!isset($wow_value)) { $wow_value = &wow_global(); } return $wow_value; } print zend_version()."\n"; print foo_static()."\n"; print foo_static()."\n"; print bar_static()."\n"; print bar_static()."\n"; print wow_static()."\n"; print wow_static()."\n"; ?> --EXPECTF-- %s foo:1 foo:1 bar:1 bar:2 wow:1 wow:1 -- PHP CVS Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php