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<?php $key = openssl_pkey_get_public('-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt+S0ZxgyQ7BPcmz/JEa7 yEhcKDZTE9TgOF/9cW1w+quFvC43daYmyRpT3asYOm7YPGCmaQ7hUx9XKUUlEdXz Zr1uvvDyFZdtS45+4nQ5DOI20mZoUHGV82rAMmvf5vote/JJu8Gt01ZUARfsMl+K DtwpVDHN6LGPBOW8l8abktk1tL/oiwLSVrO2cM/IgBZETDkQpUaZxZx3yUcueEQ+ BFrtS3IYaEny938daQzElNdCaip0f68Ig0gOTPzwkzDOgyOhyjFRxx4aisGzIlXu TFkqzIz7oC3JysgS5EhlwmsEIAelbZWpgc17HK2aWIzqlT99hB+kKv2fauxH/fgT nQIDAQAB -----END PUBLIC KEY-----'); $details = openssl_pkey_get_details($key); echo bin2hex($details['rsa']['e']); // "010001"
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/k4cKO
function name:  (null)
number of ops:  15
compiled vars:  !0 = $key, !1 = $details
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'openssl_pkey_get_public'
          1        SEND_VAL_EX                                              '-----BEGIN+PUBLIC+KEY-----%0AMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt%2BS0ZxgyQ7BPcmz%2FJEa7%0AyEhcKDZTE9TgOF%2F9cW1w%2BquFvC43daYmyRpT3asYOm7YPGCmaQ7hUx9XKUUlEdXz%0AZr1uvvDyFZdtS45%2B4nQ5DOI20mZoUHGV82rAMmvf5vote%2FJJu8Gt01ZUARfsMl%2BK%0ADtwpVDHN6LGPBOW8l8abktk1tL%2FoiwLSVrO2cM%2FIgBZETDkQpUaZxZx3yUcueEQ%2B%0ABFrtS3IYaEny938daQzElNdCaip0f68Ig0gOTPzwkzDOgyOhyjFRxx4aisGzIlXu%0ATFkqzIz7oC3JysgS5EhlwmsEIAelbZWpgc17HK2aWIzqlT99hB%2BkKv2fauxH%2FfgT%0AnQIDAQAB%0A-----END+PUBLIC+KEY-----'
          2        DO_FCALL                                      0  $2      
          3        ASSIGN                                                   !0, $2
   12     4        INIT_FCALL_BY_NAME                                       'openssl_pkey_get_details'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0  $4      
          7        ASSIGN                                                   !1, $4
   14     8        INIT_FCALL                                               'bin2hex'
          9        FETCH_DIM_R                                      ~6      !1, 'rsa'
         10        FETCH_DIM_R                                      ~7      ~6, 'e'
         11        SEND_VAL                                                 ~7
         12        DO_ICALL                                         $8      
         13        ECHO                                                     $8
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
258.09 ms | 1395 KiB | 16 Q