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run code in 150+ php & hhvm versions
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<? $salt ='whatever_you_want'; $en= simple_encrypt('data'); echo simple_decrypt($en); function simple_encrypt($text) { global $salt; return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $salt, $text, MCRYPT_MODE_CBC, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), MCRYPT_RAND)))); } function simple_decrypt($text) { global $salt; return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $salt, base64_decode($text), MCRYPT_MODE_CBC, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), MCRYPT_RAND))); }
Output for 7.0.6 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /in/qXTBE:9 Stack trace: #0 /in/qXTBE(4): simple_encrypt('data') #1 {main} thrown in /in/qXTBE on line 9
Process exited with code 255.
Output for 5.6.8 - 5.6.20, 7.0.0 - 7.0.5
Warning: mcrypt_encrypt(): Key of size 17 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported in /in/qXTBE on line 9 Warning: mcrypt_decrypt(): Key of size 17 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported in /in/qXTBE on line 15
Output for 5.5.35, 5.6.21 - 5.6.28
Fatal error: Call to undefined function mcrypt_encrypt() in /in/qXTBE on line 9
Process exited with code 255.
Output for 5.5.34
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Output for 5.5.33
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Output for 5.5.32
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Output for 5.5.31
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Output for 5.5.30
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Output for 5.5.29
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Output for 5.5.28
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Output for 5.5.27
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Output for 5.5.26
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Output for 5.5.25
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Output for 5.5.24
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Output for 5.4.45
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Output for 5.4.44
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Output for 5.4.43
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Output for 5.4.42
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Output for 5.4.41
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Output for 5.4.40
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Output for 5.4.39
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Output for 5.4.38
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Output for 5.4.37
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Output for 5.4.36
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Output for 5.4.35
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Output for 5.4.34
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Output for 5.4.32
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Output for 5.4.31
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Output for 5.4.30
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Output for 5.4.29
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Output for 5.4.28
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Output for 5.4.27
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Output for 5.4.26
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Output for 5.4.25
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Output for 5.4.24
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Output for 5.4.23
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Output for 5.4.22
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Output for 5.4.21
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Output for 5.4.20
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Output for 5.4.19
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Output for 5.4.18
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Output for 5.4.17
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Output for 5.4.16
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Output for 5.4.15
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Output for 5.4.14
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Output for 5.4.13
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Output for 5.4.12
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Output for 5.4.11
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Output for 5.4.10
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Output for 5.4.9
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Output for 5.4.8
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Output for 5.4.7
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Output for 5.4.6
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Output for 5.4.5
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Output for 5.4.4
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Output for 5.4.3
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Output for 5.4.2
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Output for 5.4.1
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Output for 5.4.0
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Output for 4.3.0 - 5.3.29
<? $salt ='whatever_you_want'; $en= simple_encrypt('data'); echo simple_decrypt($en); function simple_encrypt($text) { global $salt; return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $salt, $text, MCRYPT_MODE_CBC, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), MCRYPT_RAND)))); } function simple_decrypt($text) { global $salt; return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $salt, base64_decode($text), MCRYPT_MODE_CBC, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_CBC), MCRYPT_RAND))); }