markTestSkipped( 'Skipping test that can run only on a 64-bit build of PHP.' ); } } protected function skipIfNoMoontoastMath() { if (!$this->hasMoontoastMath()) { $this->markTestSkipped( 'Skipping test that requires moontoast/math.' ); } } protected function hasMoontoastMath() { return class_exists('Moontoast\\Math\\BigNumber'); } protected function skipIfLittleEndianHost() { if (self::isLittleEndianSystem()) { $this->markTestSkipped( 'Skipping test targeting big-endian architectures.' ); } } protected function skipIfBigEndianHost() { if (!self::isLittleEndianSystem()) { $this->markTestSkipped( 'Skipping test targeting little-endian architectures.' ); } } public static function isLittleEndianSystem() { return current(unpack('v', pack('S', 0x00FF))) === 0x00FF; } }