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<?php $results = array(); $iterations = 5000; for ($i = 0; $i < $iterations; $i++) { $my_key = uniqid("\x00"); $var = array(); $var[$my_key] = TRUE; foreach ($var as $key => $val) { $equal = ($key === $my_key); } $result_key = (is_numeric($my_key) ? 'Numeric' : 'Non-Numeric').' '.($equal ? 'Equal' : 'Not Equal'); $results[$result_key] = TRUE; } var_dump($results);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
array(1) { ["Non-Numeric Equal"]=> bool(true) }
preferences:
174.74 ms | 404 KiB | 264 Q