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<?php class TestCache { var $vars = array(); function assign ($var, $value) { $this->vars[$var] = $value; } function fetch ($var) { return $this->vars[$var]; } } $a = new stdClass; $a->x = 3; $cache = new TestCache(); $cache->assign('a', $a); $a->x = $a->x + 1; $cachedObject = $cache->fetch('a'); if ($cachedObject->x == $a->x) { print 'By reference'; } else { print 'By value'; }
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.24, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
By reference
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/bs3la on line 3 By reference
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
By value
preferences:
309.38 ms | 402 KiB | 420 Q