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Bibliographic Details
Main Author:	Mazokhin-Porshnyakov, G.A.
Format:	Recurso digital
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Published:	Zenodo 1973
Online Access:	https://doi.org/10.5281/zenodo.17600108
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<p>ABSTRACT (AI-generated):<br>The review summarizes original and literature data on the structure and function of the compound eyes in ants. The number of ommatidia in different species ranges from 9 to 1300 and correlates with body size and lifestyle. The electroretinogram (ERG) of ants (Formica cunicularia, Lasius niger) is monophasic and cornea-negative; the critical flicker fusion frequency is about 75 Hz for small species and 40 Hz for larger ones (Messor). Dark adaptation is completed in 25–30 minutes, increasing threshold sensitivity by 50–70 times. The maximum spectral sensitivity of the dark-adapted eye is at 510 nm for F. cunicularia and 500 nm for L. niger; the relative sensitivity to UV rays (365 nm) reaches 20% in F. cunicularia and is less than 5% in L. niger. Using methods of equal responses and colorimetry, the presence of at least two receptor types with sensitivity maxima around 470 and 520 nm was revealed, indicating the existence of color vision. The contrast sensitivity of the retina is about 5%. Ants use landmarks and astronomical objects (sun, moon, polarization pattern of the sky) for orientation and are capable of learning and long-term retention of visual memory.</p>

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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