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run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'foo'; $temporaryA = $a; $a = md5(uniqid()); var_dump($a); $variables = get_defined_vars(); $key = array_search($a, $variables); var_dump($key); $a = $temporaryA; unset ($temporaryA);
Output for 7.2.0
string(32) "e941eb1c970718b8e81f88d1174c5438" string(1) "a"
Output for 7.1.7
string(32) "59559d490a7fad28fb38c1f46b7be7b2" string(1) "a"
Output for 7.1.6
string(32) "701c156e3e90aeee375aa755101caa70" string(1) "a"
Output for 7.1.5
string(32) "eafad6ea47b37fc857b18337d940da00" string(1) "a"
Output for 7.1.0
string(32) "f908ed4c9025040409aa93ec331f188d" string(1) "a"
Output for 7.0.20
string(32) "331089a576d28a22fc396dff05277e47" string(1) "a"
Output for 7.0.14
string(32) "4c98f920d22227b0dc0acbf5b9a7a8f6" string(1) "a"
Output for 7.0.6
string(32) "24265654c65b55261c7286eb085c7139" string(1) "a"
Output for 7.0.5
string(32) "1a340405f10a73a9e8ca09573a281b3c" string(4) "argc"
Output for 7.0.4
string(32) "b4a4a3cdef41008feef97113c3be5fe5" string(1) "a"
Output for 7.0.3
string(32) "01c6976f180c2606182b525f4fdf6f7e" string(4) "argc"
Output for 7.0.2
string(32) "6a078126969d8a4e0467482cf3e6b6d1" string(1) "a"
Output for 7.0.1
string(32) "08115bf258523dda77d0fb650e1984bd" string(1) "a"
Output for 7.0.0
string(32) "d9dd782e17e7ff0937b3f0e726d57f41" string(1) "a"
Output for 5.6.28
string(32) "12b159ab28c625d8a54a685ccfaccaa8" string(1) "a"
Output for 5.6.21
string(32) "cdae3fea916be1b96ab7eb41d5c880cc" string(1) "a"
Output for 5.6.20
string(32) "0e2d7af317b35bae5b60b23718fa35e4" string(1) "a"
Output for 5.6.19
string(32) "f6852793ed2bbaa47516da14f27f211b" string(1) "a"
Output for 5.6.18
string(32) "ff272fc5eead68f83c8d9e202dfbe46c" string(1) "a"
Output for 5.6.17
string(32) "02dc2da7a6497042f4737093011c436f" string(1) "a"
Output for 5.6.16
string(32) "f8bd309afe2239a49bee7f83ce422126" string(1) "a"
Output for 5.6.15
string(32) "fd8392aa9f00fb8d3190711f2de6f327" string(1) "a"
Output for 5.6.14
string(32) "80ee3593e7a8b08a3cedad1052e7fc1e" string(1) "a"
Output for 5.6.13
string(32) "4b7644b81f523ea512993f8702c9813c" string(1) "a"
Output for 5.6.12
string(32) "0438a45c35c7b573c037936454dc017c" string(1) "a"
Output for 5.6.11
string(32) "34d554f37ac1cd98df15d9b43afcf083" string(1) "a"
Output for 5.6.10
string(32) "af41dbd5841cce6a661041d3dd087fd3" string(1) "a"
Output for 5.6.9
string(32) "6322de6e6dcdbbffa898ed159527a56f" string(1) "a"
Output for 5.6.8
string(32) "6b4e25e0e1453a2623b2b09950b97250" string(1) "a"
Output for 5.6.7
string(32) "05de68ff06d0dd6401d967d1e398a4c8" string(1) "a"
Output for 5.5.35
string(32) "d0414f10e399cc2d84b2aa912ac31705" string(1) "a"
Output for 5.5.34
string(32) "d841e2604592cea672bbcba6338c3a7b" string(1) "a"
Output for 5.5.33
string(32) "f01a468f46c8e7c39d8bc2c6908eea54" string(1) "a"
Output for 5.5.32
string(32) "6d7fa04ab3575097dd9a932d180fd6ac" string(1) "a"
Output for 5.5.31
string(32) "8eba6db86b03c18b7632b836e0e582ba" string(1) "a"
Output for 5.5.30
string(32) "f507cb26081ac9fd2464afa443675b65" string(1) "a"
Output for 5.5.29
string(32) "80af5246e1de9511d67403599695bbfd" string(1) "a"
Output for 5.5.28
string(32) "99a6b48c2c1f7b710dc38b30f0b3c3bd" string(1) "a"
Output for 5.5.27
string(32) "cff6f736f669ce77a9dc571ebe86c42b" string(1) "a"
Output for 5.5.26
string(32) "b69d57914684d97daacbf9243f221b1a" string(1) "a"
Output for 5.5.25
string(32) "ca9b18c0a7783c02c3e4c709f3969a1d" string(1) "a"
Output for 5.5.24
string(32) "55d198342417a2b13eeea85bc9b5ba5c" string(1) "a"
Output for 5.4.45
string(32) "0cdd122629f4642e3fee39c8896198d0" string(1) "a"
Output for 5.4.44
string(32) "3178025dc136e65399d9c27207a8abca" string(1) "a"
Output for 5.4.43
string(32) "c6643de6c76e67755061bfe5b74add80" string(1) "a"
Output for 5.4.42
string(32) "4d34ece630f6b4aa1dbca346fd544378" string(1) "a"
Output for 5.4.41
string(32) "1053074ac0c495a57790d3b6d1beea00" string(1) "a"
Output for 5.4.40
string(32) "7d9c7380a0cd042a6ae0d7c9b8c55204" string(1) "a"
Output for 5.4.39
string(32) "3968849b2d3d9429d3576e0704dd1902" string(1) "a"
Output for 5.4.38
string(32) "90eb9a3a517a4f84114faa552d18f625" string(1) "a"
Output for 5.4.37
string(32) "8ffcd3c9faa403f44283fa6e96e50874" string(1) "a"
Output for 5.4.36
string(32) "26cfd4e9e75780a1b44228f67a4383d3" string(1) "a"
Output for 5.4.35
string(32) "f7fc1b00da011c26ab385ec7f1609f54" string(1) "a"
Output for 5.4.34
string(32) "822cebe17df6f06c0c28e0029179b05f" string(1) "a"
Output for 5.4.32
string(32) "3cdb3bd605682eacc7cfe46df705428a" string(1) "a"
Output for 5.4.31
string(32) "d614d37aa830c297b63c53d7ce46f9d1" string(1) "a"
Output for 5.4.30
string(32) "7c987cb88ef92a6a3f955f7dfde19000" string(1) "a"
Output for 5.4.29
string(32) "0f7079f75f881fced20ce09ee5b11875" string(1) "a"
Output for 5.4.28
string(32) "a7ee4272f786e74551bbdb9c03062c5f" string(1) "a"
Output for 5.4.27
string(32) "c22bf6c70cf2302710d92da8d32b35c9" string(1) "a"
Output for 5.4.26
string(32) "b9e509f1432e8f13e76532afd9a49f75" string(1) "a"
Output for 5.4.25
string(32) "4a14703624687069f87dc3cd751e1a70" string(1) "a"
Output for 5.4.24
string(32) "4e555e63ed31f1123458fb53deda0a53" string(1) "a"
Output for 5.4.23
string(32) "986fb6fad6eb53a6614b3d3810841b28" string(1) "a"
Output for 5.4.22
string(32) "2944d0d50e09cce5845c3aa257d73453" string(1) "a"
Output for 5.4.21
string(32) "ffb23409dc33484134bab684c30e794e" string(1) "a"
Output for 5.4.20
string(32) "dc175d4302fba3533b698eb16ae7ec26" string(1) "a"
Output for 5.4.19
string(32) "4bb3dd2d721618f2d940c87f6ab4e22d" string(1) "a"
Output for 5.4.18
string(32) "48e84ec237da2066be904345bdc4f72d" string(1) "a"
Output for 5.4.17
string(32) "30ed0d38889af4fe482b42e833147e73" string(1) "a"
Output for 5.4.16
string(32) "af78654065b46feeebd22cf00ddff9a0" string(1) "a"
Output for 5.4.15
string(32) "09976debee671a82c8318ea81cff5297" string(1) "a"
Output for 5.4.14
string(32) "cd92d1a8a2d9ad4994f8fc72bece671e" string(1) "a"
Output for 5.4.13
string(32) "39425004235a43a33aafb6ea9e9f333b" string(1) "a"
Output for 5.4.12
string(32) "af8729533d23acb2f670da224321219b" string(1) "a"
Output for 5.4.11
string(32) "51062ec9f5eeedf98ce8b1c9adc82d8c" string(1) "a"
Output for 5.4.10
string(32) "cd285fbdcb23dba4e63e1c55f5b5177a" string(1) "a"
Output for 5.4.9
string(32) "8b205c59e3ce3d3da4353eede1e1611e" string(1) "a"
Output for 5.4.8
string(32) "b64195c4e17a962c2355100b9a4a1f83" string(1) "a"
Output for 5.4.7
string(32) "79b33ed68244f1dce3c5613c628a5ae3" string(1) "a"
Output for 5.4.6
string(32) "e5c644aa5760e6ee403ca0d150ffc194" string(1) "a"
Output for 5.4.5
string(32) "1388645157088bb817beff3f89fc4753" string(1) "a"
Output for 5.4.4
string(32) "67691dfa4ffff8691b5a7dde256d6c38" string(1) "a"
Output for 5.4.3
string(32) "fca44024dfc76c9d546301e2502f28dc" string(1) "a"
Output for 5.4.2
string(32) "c7e53ce1aeb2bc1e853e9550551cd8e0" string(1) "a"
Output for 5.4.1
string(32) "31c6b9b4021874d393b0b853f5193b95" string(1) "a"
Output for 5.4.0
string(32) "910acbb3feec83279f13d963fec310fc" string(1) "a"
Output for 5.3.29
string(32) "1f02749e592e2ac13c6b0c92c33436e8" string(4) "argc"
Output for 5.3.28
string(32) "f1cb83f9661d298880ab5930d63aa6fe" string(1) "a"
Output for 5.3.27
string(32) "2df34205309881f67f046364b6d6fe2d" string(1) "a"
Output for 5.3.26
string(32) "89a5dca86c8739a48c7dd398b1e75f4b" string(1) "a"
Output for 5.3.25
string(32) "cad80f1960d5e269791d71faf3286f0b" string(1) "a"
Output for 5.3.24
string(32) "6b6c43f841b4916faf923ef7216d1765" string(1) "a"
Output for 5.3.23
string(32) "7ae89355fa0f675f4ec10734dea14a1a" string(1) "a"
Output for 5.3.22
string(32) "59a18a9e4c9ac22d976897f2b80f9d38" string(1) "a"
Output for 5.3.21
string(32) "f9f50ad0b48830fc2b3b376ce9ad9183" string(1) "a"
Output for 5.3.20
string(32) "66aa51d0d7f03fe66a9e82de78b8c3d3" string(1) "a"
Output for 5.3.19
string(32) "1c7cd8124606dd08003988b604b0a808" string(4) "argc"
Output for 5.3.18
string(32) "722920f536223265f817f8d8e57b92d6" string(1) "a"
Output for 5.3.17
string(32) "f4ab14d1f22d6cbdfe337faef66d04ac" string(1) "a"
Output for 5.3.16
string(32) "eccf992f0666fa330461c83875c7ce88" string(1) "a"
Output for 5.3.15
string(32) "6abb1a0e628e3505343572fafbdcdee0" string(1) "a"
Output for 5.3.14
string(32) "0a1993fdb9e96e1dfb6fea595edf1730" string(1) "a"
Output for 5.3.13
string(32) "f9d92b180002cc9b94e646ede014467c" string(1) "a"
Output for 5.3.12
string(32) "43b6a919eb3f2cc1dd0e9ae71e8910c7" string(1) "a"
Output for 5.3.11
string(32) "c3c2f3d8f6f1569fb6d7b9de1b6637ca" string(1) "a"
Output for 5.3.10
string(32) "f63df8ba7b669aeb7958c108331f0d32" string(1) "a"
Output for 5.3.9
string(32) "b27c6fce106148cd80ca9a7f454d74b6" string(1) "a"
Output for 5.3.8
string(32) "1c184e103dabffe6ebc8aa63257eeab2" string(4) "argc"
Output for 5.3.7
string(32) "aa4e5fffbf28b72af7fb076ed1f16152" string(1) "a"
Output for 5.3.6
string(32) "3063a522b26cb6d1b27c9d01d9bb9431" string(1) "a"
Output for 5.3.5
string(32) "1adf5ea93921a5bea7fad5b7b194a34a" string(4) "argc"
Output for 5.3.4
string(32) "868630e938ba9366da10322b6fb0f2cc" string(1) "a"
Output for 5.3.3
string(32) "3cc515dadd374fbefd986e7d1390a8b3" string(1) "a"
Output for 5.3.2
string(32) "349c8c9839a379f2e12ba76ff3cb244b" string(1) "a"
Output for 5.3.1
string(32) "104a53ee0e72929b5521c40032c7b6db" string(1) "a"
Output for 5.3.0
string(32) "e30767237490c6b2a330528c6c744a9c" string(1) "a"
Output for 5.2.17
string(32) "afe65cf5648ae3c5c4c46105da2087a7" string(1) "a"
Output for 5.2.16
string(32) "87337ef27af6e63c5ce16a739ffa626d" string(1) "a"
Output for 5.2.15
string(32) "7e2aa8d6d9ccd9706840b774534f95fe" string(1) "a"
Output for 5.2.14
string(32) "a73ddb9ce68a92d9bca06007e85eca5b" string(1) "a"
Output for 5.2.13
string(32) "2f2ee48d3d80e7efcdaf51809c958ab0" string(1) "a"
Output for 5.2.12
string(32) "ffbb556bed786feb479532c3ceef397f" string(1) "a"
Output for 5.2.11
string(32) "dc62b3b705d1c7953b679df72fba2a41" string(1) "a"
Output for 5.2.10
string(32) "52df84e2fba6791e475015cae883bd4a" string(1) "a"
Output for 5.2.9
string(32) "bafec1e7e0033ea8c63f4d724f0f7072" string(1) "a"
Output for 5.2.8
string(32) "3da3478497e1f4b041ad930248fb4872" string(1) "a"
Output for 5.2.7
string(32) "524c232ca2d84f6ef5ddf7a810721b0d" string(1) "a"
Output for 5.2.6
string(32) "8f01c4d197e934965e56b15aa47c4577" string(1) "a"
Output for 5.2.5
string(32) "fa4f25b989723874f147bfc8a75869c5" string(1) "a"
Output for 5.2.4
string(32) "a752ba0ca52091e9b2949d11bda0f35b" string(1) "a"
Output for 5.2.3
string(32) "8d81165533f235df9f62853890a0a539" string(1) "a"
Output for 5.2.2
string(32) "25e308b23f86a39a2050e9e8ba0c8176" string(1) "a"
Output for 5.2.1
string(32) "5eb84f4d603f339388dfdddaa2c0b860" string(1) "a"
Output for 5.2.0
string(32) "efe18737e6cfba241a5da9e765d3a43f" string(1) "a"
Output for 5.1.6
string(32) "7063e19e8479dcdf20daac8172c16183" string(1) "a"
Output for 5.1.5
string(32) "6b92183fb85e66f7b7b5044212d9dfb9" string(1) "a"
Output for 5.1.4
string(32) "d20bc8ec182d684dfdca81a5dd25c11c" string(1) "a"
Output for 5.1.3
string(32) "7028380e0b6a9504a20813581b8239b6" string(1) "a"
Output for 5.1.2
string(32) "10baa71872c84ba90d7dc67f088282af" string(1) "a"
Output for 5.1.1
string(32) "0741cfdc567faf08d9843477c0a64f6a" string(1) "a"
Output for 5.1.0
string(32) "642fa87210c140d80dc047ba9657ad42" string(1) "a"
Output for 5.0.5
string(32) "96c046832c80ae9efbc25d66bb922586" string(1) "a"
Output for 5.0.4
string(32) "4c4d2ae91fedc8f9818a4381433307dd" string(1) "a"
Output for 5.0.3
string(32) "0931306e96e31a915f0a5ef85729e5b8" string(1) "a"
Output for 5.0.2
string(32) "9ec8e748e4bd3369056e284d5271d791" string(1) "a"
Output for 5.0.1
string(32) "f8e95e440056e7f6a27cdc95007e17c6" string(1) "a"
Output for 5.0.0
string(32) "3aeb6fc3d3ccd7d8073443b34ba1d36b" string(1) "a"
Output for 4.3.0 - 4.4.9
Warning: uniqid() expects at least 1 parameter, 0 given in /in/dt6XQ on line 7 string(32) "d41d8cd98f00b204e9800998ecf8427e" string(1) "a"