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<?php $css = <<<EOF a { padding: 10px; } @media (max-width: 600px) { a { padding: 0px; } } EOF; $css1 = preg_replace('/@media [^{]*{([^{}]|{[^{}]*})*}/', '', $css); var_dump($css1); $css2 = preg_replace('/@media [^{]*{([^{}]|{.*})*}/', '', $css); var_dump($css2); $css3 = preg_replace('/@media[^{]+\{([\s\S]+?})\s*}/', '', $css); var_dump($css3);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NZoie
function name:  (null)
number of ops:  29
compiled vars:  !0 = $css, !1 = $css1, !2 = $css2, !3 = $css3
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a+%7B%0A++padding%3A+10px%3B%0A%7D%0A%40media+%28max-width%3A+600px%29+%7B%0A++a+%7B%0A++++padding%3A+0px%3B%0A++%7D%0A%7D'
   14     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%2F%40media+%5B%5E%7B%5D%2A%7B%28%5B%5E%7B%7D%5D%7C%7B%5B%5E%7B%7D%5D%2A%7D%29%2A%7D%2F'
          3        SEND_VAL                                                 ''
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN                                                   !1, $5
   15     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
   17    10        INIT_FCALL                                               'preg_replace'
         11        SEND_VAL                                                 '%2F%40media+%5B%5E%7B%5D%2A%7B%28%5B%5E%7B%7D%5D%7C%7B.%2A%7D%29%2A%7D%2F'
         12        SEND_VAL                                                 ''
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $8      
         15        ASSIGN                                                   !2, $8
   18    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !2
         18        DO_ICALL                                                 
   20    19        INIT_FCALL                                               'preg_replace'
         20        SEND_VAL                                                 '%2F%40media%5B%5E%7B%5D%2B%5C%7B%28%5B%5Cs%5CS%5D%2B%3F%7D%29%5Cs%2A%7D%2F'
         21        SEND_VAL                                                 ''
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $11     
         24        ASSIGN                                                   !3, $11
   21    25        INIT_FCALL                                               'var_dump'
         26        SEND_VAR                                                 !3
         27        DO_ICALL                                                 
         28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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