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<?php function svg_icon(string $icon, ?string $label = null): ?string { // These are our possible SVGs static $config = [ 'arrow' => '<svg aria-hidden="true" role="img" focusable="false" width="24" height="24" xmlns="http://www.w3.org/2000/svg" fill-rule="evenodd" clip-rule="evenodd"><path d="M21.883 12l-7.527 6.235.644.765 9-7.521-9-7.479-.645.764 7.529 6.236h-21.884v1h21.883z"/></svg>', 'hamburger' => '<svg aria-hidden="true" role="img" focusable="false" clip-rule="evenodd" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m13 16.745c0-.414-.336-.75-.75-.75h-9.5c-.414 0-.75.336-.75.75s.336.75.75.75h9.5c.414 0 .75-.336.75-.75zm9-5c0-.414-.336-.75-.75-.75h-18.5c-.414 0-.75.336-.75.75s.336.75.75.75h18.5c.414 0 .75-.336.75-.75zm-4-5c0-.414-.336-.75-.75-.75h-14.5c-.414 0-.75.336-.75.75s.336.75.75.75h14.5c.414 0 .75-.336.75-.75z" fill-rule="nonzero"/></svg>', 'close' => '<svg aria-hidden="true" role="img" focusable="false" clip-rule="evenodd" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m12.002 2.005c5.518 0 9.998 4.48 9.998 9.997 0 5.518-4.48 9.998-9.998 9.998-5.517 0-9.997-4.48-9.997-9.998 0-5.517 4.48-9.997 9.997-9.997zm0 1.5c-4.69 0-8.497 3.807-8.497 8.497s3.807 8.498 8.497 8.498 8.498-3.808 8.498-8.498-3.808-8.497-8.498-8.497zm0 7.425 2.717-2.718c.146-.146.339-.219.531-.219.404 0 .75.325.75.75 0 .193-.073.384-.219.531l-2.717 2.717 2.727 2.728c.147.147.22.339.22.531 0 .427-.349.75-.75.75-.192 0-.384-.073-.53-.219l-2.729-2.728-2.728 2.728c-.146.146-.338.219-.53.219-.401 0-.751-.323-.751-.75 0-.192.073-.384.22-.531l2.728-2.728-2.722-2.722c-.146-.147-.219-.338-.219-.531 0-.425.346-.749.75-.749.192 0 .385.073.531.219z" fill-rule="nonzero"/></svg>', ]; // If the requested icon doesn't exist, bail if (!$svg = $config[$icon] ?? null) { return null; } // If we have a label, un-hide the SVG and set the ARIA attribute if (!empty($label)) { $svg = str_replace('<svg ', '<svg aria-label="'.esc_attr($label).'"', $svg); $svg = str_replace('aria-hidden="true"', '', $svg); } return $svg; } // Samples echo svg_icon('hamburger', 'Main Menu'); echo PHP_EOL; echo svg_icon('arrow', 'Click me'); echo PHP_EOL; echo svg_icon('close'); echo PHP_EOL; echo svg_icon('nope'); echo PHP_EOL; // !! DO NOT COPY THIS FUNCTION !! // This is a stub-function ONLY for the 3v4l.org site. function esc_attr($string){return $string;}
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UvAjF
function name:  (null)
number of ops:  23
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   INIT_FCALL                                               'svg_icon'
          1        SEND_VAL                                                 'hamburger'
          2        SEND_VAL                                                 'Main+Menu'
          3        DO_FCALL                                      0  $0      
          4        ECHO                                                     $0
   30     5        ECHO                                                     '%0A'
   31     6        INIT_FCALL                                               'svg_icon'
          7        SEND_VAL                                                 'arrow'
          8        SEND_VAL                                                 'Click+me'
          9        DO_FCALL                                      0  $1      
         10        ECHO                                                     $1
   32    11        ECHO                                                     '%0A'
   33    12        INIT_FCALL                                               'svg_icon'
         13        SEND_VAL                                                 'close'
         14        DO_FCALL                                      0  $2      
         15        ECHO                                                     $2
   34    16        ECHO                                                     '%0A'
   35    17        INIT_FCALL                                               'svg_icon'
         18        SEND_VAL                                                 'nope'
         19        DO_FCALL                                      0  $3      
         20        ECHO                                                     $3
   36    21        ECHO                                                     '%0A'
   43    22      > RETURN                                                   1

Function svg_icon:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 10
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 30
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 30
filename:       /in/UvAjF
function name:  svg_icon
number of ops:  34
compiled vars:  !0 = $icon, !1 = $label, !2 = $config, !3 = $svg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      null
    6     2        BIND_STATIC                                              !2
   13     3        FETCH_DIM_IS                                     ~4      !2, !0
          4        COALESCE                                         ~5      ~4
          5        QM_ASSIGN                                        ~5      null
          6        ASSIGN                                           ~6      !3, ~5
          7        BOOL_NOT                                         ~7      ~6
          8      > JMPZ                                                     ~7, ->10
   14     9    > > RETURN                                                   null
   18    10    >   ISSET_ISEMPTY_CV                                 ~8      !1
         11        BOOL_NOT                                         ~9      ~8
         12      > JMPZ                                                     ~9, ->30
   19    13    >   INIT_FCALL                                               'str_replace'
         14        SEND_VAL                                                 '%3Csvg+'
         15        INIT_FCALL_BY_NAME                                       'esc_attr'
         16        SEND_VAR_EX                                              !1
         17        DO_FCALL                                      0  $10     
         18        CONCAT                                           ~11     '%3Csvg+aria-label%3D%22', $10
         19        CONCAT                                           ~12     ~11, '%22'
         20        SEND_VAL                                                 ~12
         21        SEND_VAR                                                 !3
         22        DO_ICALL                                         $13     
         23        ASSIGN                                                   !3, $13
   20    24        INIT_FCALL                                               'str_replace'
         25        SEND_VAL                                                 'aria-hidden%3D%22true%22'
         26        SEND_VAL                                                 ''
         27        SEND_VAR                                                 !3
         28        DO_ICALL                                         $15     
         29        ASSIGN                                                   !3, $15
   23    30    >   VERIFY_RETURN_TYPE                                       !3
         31      > RETURN                                                   !3
   25    32*       VERIFY_RETURN_TYPE                                       
         33*     > RETURN                                                   null

End of function svg_icon

Function esc_attr:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UvAjF
function name:  esc_attr
number of ops:  3
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   43     0  E >   RECV                                             !0      
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of function esc_attr

Generated using Vulcan Logic Dumper, using php 8.0.0


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