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<?php add_filter( 'gform_field_validation', 'validate_phone', 10, 4 ); function validate_phone( $result, $value, $form, $field ) { $pattern = "/^(\+44\s?7\d{3}|\(?07\d{3}\)|\(?01\d{3}\)?)\s?\d{3}\s?\d{3}$/"; if ( $field->type == 'phone' && $this->phoneFormat != 'standard' && ! preg_match( $pattern, $value ) ) { $result['is_valid'] = false; $result['message'] = 'Please enter a valid phone number'; } return $result; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/maDcH
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'add_filter'
          1        SEND_VAL_EX                                              'gform_field_validation'
          2        SEND_VAL_EX                                              'validate_phone'
          3        SEND_VAL_EX                                              10
          4        SEND_VAL_EX                                              4
          5        DO_FCALL                                      0          
   12     6      > RETURN                                                   1

Function validate_phone:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 8, Position 2 = 12
Branch analysis from position: 8
2 jumps found. (Code = 46) Position 1 = 13, Position 2 = 19
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 20, Position 2 = 24
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
Branch analysis from position: 19
Branch analysis from position: 12
filename:       /in/maDcH
function name:  validate_phone
number of ops:  26
compiled vars:  !0 = $result, !1 = $value, !2 = $form, !3 = $field, !4 = $pattern
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
          3        RECV                                             !3      
    5     4        ASSIGN                                                   !4, '%2F%5E%28%5C%2B44%5Cs%3F7%5Cd%7B3%7D%7C%5C%28%3F07%5Cd%7B3%7D%5C%29%7C%5C%28%3F01%5Cd%7B3%7D%5C%29%3F%29%5Cs%3F%5Cd%7B3%7D%5Cs%3F%5Cd%7B3%7D%24%2F'
    6     5        FETCH_OBJ_R                                      ~6      !3, 'type'
          6        IS_EQUAL                                         ~7      ~6, 'phone'
          7      > JMPZ_EX                                          ~7      ~7, ->12
          8    >   FETCH_THIS                                       $8      
          9        FETCH_OBJ_R                                      ~9      $8, 'phoneFormat'
         10        IS_NOT_EQUAL                                     ~10     ~9, 'standard'
         11        BOOL                                             ~7      ~10
         12    > > JMPZ_EX                                          ~7      ~7, ->19
         13    >   INIT_FCALL                                               'preg_match'
         14        SEND_VAR                                                 !4
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                         $11     
         17        BOOL_NOT                                         ~12     $11
         18        BOOL                                             ~7      ~12
         19    > > JMPZ                                                     ~7, ->24
    7    20    >   ASSIGN_DIM                                               !0, 'is_valid'
         21        OP_DATA                                                  <false>
    8    22        ASSIGN_DIM                                               !0, 'message'
         23        OP_DATA                                                  'Please+enter+a+valid+phone+number'
   11    24    > > RETURN                                                   !0
   12    25*     > RETURN                                                   null

End of function validate_phone

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