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run code in 150+ php & hhvm versions
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<?php echo current(unpack('H64', mcrypt_create_iv(32, MCRYPT_DEV_RANDOM)));
Output for 7.0.6 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function mcrypt_create_iv() in /in/L51p2:3 Stack trace: #0 {main} thrown in /in/L51p2 on line 3
Process exited with code 255.
Output for 7.0.5
4cb071803df53c78b73d6b73c42d4c5f46866984e91ac509c961a1be301b7c4b
Output for 7.0.4
b67b3782863c2eba60161c6a5e54abbe42fd9329c7a43e2fb243cba1fe0f4dd3
Output for 7.0.3
2eaeb5b68740a03e32b9ee22a5306ee245c3253be14a12e0599401ff62731b48
Output for 7.0.2
af4348d31b56327425208e28cbbb929c1e38d87f508a2b76cffe67898841a923
Output for 7.0.1
d88636c96341ef78ce306d089ffbb7ef8fc6427f826175b040ffa4897eec9a9c
Output for 7.0.0
f872eb934d00b1c7dd521d14cacaa64baa4345fe061e5035b3b891fe3404045a
Output for 5.0.0 - 5.4.32, 5.5.35, 5.6.21 - 5.6.28
Fatal error: Call to undefined function mcrypt_create_iv() in /in/L51p2 on line 3
Process exited with code 255.
Output for 5.6.20
75f7f5dce180a69d8b04a1c0dd05b443ba8723738d497c639bea15ec2385fa8d
Output for 5.6.19
2f6c10f6c293212de3b827588380442d83cff79ee637574c07aaa1f49f4783bc
Output for 5.6.18
b4175d6f8ccc60c8fc3f29100f8f9c9b64ac6eda5fa6e78b4ad35a66637b94f2
Output for 5.6.17
9aeebee00ddeda950bd826553f1507bf0d294ff13c930bc4e4aa742d4f3bcfca
Output for 5.6.16
9b9bc929dcba31dd0031c6a600518568ebe9d0dd74d631a2afcb95192505a73f
Output for 5.6.15
f24305e192f6c954b3b988a6c63829461e9e7ea2c9c74fdca3f582826fdd6959
Output for 5.6.14
7b6638c0f95321fd96e91769b38fbf4e2899c81738eedc86183b5d16ff48ce6f
Output for 5.6.13
93cc86c60ce20525b9159e02828e8d471f7afdc588840befdb28ed487796f473
Output for 5.6.12
cb8f8d61c30739fa92d9cbf1eb75ff042bc201f2c813528347dab0667ad298dd
Output for 5.6.11
52e7b7637b315a02fe1d196ab2509a0ca59b63253c819d57e3676e23c190c1f3
Output for 5.6.10
1dd7e0bea19b8abaf843c111889b992bbfb3840a810dfdc171a1a87594caea86
Output for 5.6.9
223414b7a16e48ab6421a1b48e69054b2ee1bd7b916cba6be4f4d43ce16c4214
Output for 5.6.8
8b49523a76a7956dae5499b02b571e707cfa4cef222a06ff0696d753825765fb
Output for 5.5.34
8436f2a80e1efc0328f24e8a81fe13fe4bed489a3a5054f7f44e631122b97723
Output for 5.5.33
a8e3c002fb22953895d3dbe99c4f8bffe645ee9c3b849e7e8765291ac737d8c6
Output for 5.5.32
c942d23643151b13029c00fd9b84f10b0c11f0ab355b76ab60aca8f10c96050e
Output for 5.5.31
7d54304921092d4c73afa86f01580895b1f0da3a78707a82969ce207b90d5148
Output for 5.5.30
3a19d70bd5c01beea05f94e918e761fb6107230b1e98cdfe673cc81e913613df
Output for 5.5.29
fdfa684a54eb80c4523cfb0ab9b9378d152ac40dd1ce234a285bcf5fdf880e4a
Output for 5.5.28
c54c6cc0670c0cd3d18951f668225c6e94ef7e6ed55667bcdec3c45982246929
Output for 5.5.27
4ab3bab1436a5a87b84d3cd4810f2369d36f2d1f7a8eca575529f55faa7067d2
Output for 5.5.26
e140abad736215007aecc60971e70d2256949443adea63da3572cf7e94091b74
Output for 5.5.25
62417a011f297dbcf492b96d4ccc2609d090a46337b00af9e072a7c027300ce9
Output for 5.5.24
9eea8701b9d12ab2e2afc2f82b3f223ef50ee8e382d0b7a60b25c294389cdd41
Output for 5.4.45
33b1136c8bdeddd8a6d8a4d37e444d0e1e1c41fe4032dc79dc5f50a2f92096d4
Output for 5.4.44
c05df67a73b81d88bc6aa882cb523a63dc7eb9e38b7bd344b0dfce73a3cf0b71
Output for 5.4.43
3755e1b84909074efdfb9caf8b1f7de5998149c7841d4b427b5218607842d435
Output for 5.4.42
d1655b8172c1ff5adfeb1dfa1d10b10876f1f7a2643893087835fa890efc972b
Output for 5.4.41
0e33e39ce0c37c59715d6dac7f018980fb1086f53f8edb65dc98b40bfbe3f96f
Output for 5.4.40
53a673f449097d0d161cd953cd810e492560ba4c3f482345e4731a5a6698294b
Output for 5.4.39
75670f06fca3ed7b135c9b3a3b1d043ad92bf8dd544334c78366afc60b7406f6
Output for 5.4.34 - 5.4.38

Process exited with code 137.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: mcrypt_create_iv() in /in/L51p2 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: mcrypt_create_iv() in /in/L51p2 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mcrypt_create_iv() in /in/L51p2 on line 3