canChangeMemory()) return; ini_set('memory_limit', '64M'); // It can go up increase_memory_limit_to('128M'); $this->assertEquals('128M', ini_get('memory_limit')); // But not down increase_memory_limit_to('64M'); $this->assertEquals('128M', ini_get('memory_limit')); // Test the different kinds of syntaxes increase_memory_limit_to(1024*1024*200); $this->assertEquals(1024*1024*200, ini_get('memory_limit')); increase_memory_limit_to('409600K'); $this->assertEquals('409600K', ini_get('memory_limit')); increase_memory_limit_to('1G'); // If memory limit was left at 409600K, that means that the current testbox doesn't have // 1G of memory available. That's okay; let's not report a failure for that. if(ini_get('memory_limit') != '409600K') { $this->assertEquals('1G', ini_get('memory_limit')); } // No argument means unlimited increase_memory_limit_to(); $this->assertEquals(-1, ini_get('memory_limit')); } function testIncreaseTimeLimitTo() { if(!$this->canChangeMemory()) return; set_time_limit(6000); // It can go up increase_time_limit_to(7000); $this->assertEquals(7000, ini_get('max_execution_time')); // But not down increase_time_limit_to(5000); $this->assertEquals(7000, ini_get('max_execution_time')); // 0/nothing means infinity increase_time_limit_to(); $this->assertEquals(0, ini_get('max_execution_time')); // Can't go down from there increase_time_limit_to(10000); $this->assertEquals(0, ini_get('max_execution_time')); } /////////////////// private $origMemLimit, $origTimeLimit; function setUp() { $this->origMemLimit = ini_get('memory_limit'); $this->origTimeLimit = ini_get('max_execution_time'); } function tearDown() { ini_set('memory_limit', $this->origMemLimit); set_time_limit($this->origTimeLimit); } /** * Determines wether the environment generally allows * to change the memory limits, which is not always the case. * * @return Boolean */ protected function canChangeMemory() { $exts = get_loaded_extensions(); // see http://www.hardened-php.net/suhosin/configuration.html#suhosin.memory_limit if(in_array('suhosin', $exts)) return false; // We can't change memory limit in safe mode if(ini_get('safe_mode')) return false; return true; } }