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<?php $a = 'foo'; $temporaryA = $a; $a = md5(uniqid()); $variables = get_defined_vars(); $key = array_search($a, $variables); var_dump($key); $a = $temporaryA; unset ($temporaryA);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.13, 5.2.15 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.33, 5.4.35 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.12, 5.6.14 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.19, 7.1.21 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
string(1) "a"
Output for 5.2.14, 5.4.34, 5.6.13, 7.1.20
string(4) "argc"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/nFlsM on line 7 string(1) "a"
preferences:
203.12 ms | 402 KiB | 325 Q