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<?php $str = "AWS-HMAC-SHA256 Credential=eyJhbGciOiJIUzI1NiIsIngtc3MiOjEy/20160911/cn/user-service/request,SignedHeaders=host;x-aws-date, Signature=d9ee2d43f2067e4b8857f15fa8fff27820051d95a4ec31e93be866f201e0797a"; sscanf($str, 'AWS-HMAC-SHA256 Credential=%[^,],SignedHeaders=%[^,], Signature=%[^,]', $credentials, $headers, $signature); var_dump($credentials, $headers, $signature);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Vv7UQ
function name:  (null)
number of ops:  14
compiled vars:  !0 = $str, !1 = $credentials, !2 = $headers, !3 = $signature
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'AWS-HMAC-SHA256+Credential%3DeyJhbGciOiJIUzI1NiIsIngtc3MiOjEy%2F20160911%2Fcn%2Fuser-service%2Frequest%2CSignedHeaders%3Dhost%3Bx-aws-date%2C+Signature%3Dd9ee2d43f2067e4b8857f15fa8fff27820051d95a4ec31e93be866f201e0797a'
    5     1        INIT_FCALL                                               'sscanf'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'AWS-HMAC-SHA256+Credential%3D%25%5B%5E%2C%5D%2CSignedHeaders%3D%25%5B%5E%2C%5D%2C+Signature%3D%25%5B%5E%2C%5D'
          4        SEND_REF                                                 !1
          5        SEND_REF                                                 !2
          6        SEND_REF                                                 !3
          7        DO_ICALL                                                 
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        SEND_VAR                                                 !2
         11        SEND_VAR                                                 !3
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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