eval function, a string escape, great pain, please the hero to help

eval function, a string escape, extremely painful, please the hero to help
The following code, error-correct, can be correctly output an href when clicked can pop up 111

 
  
$TB = ";
$wcHead = ' $tb. =\ ';
$wcTable = ";
$wcFoot = ' \ '; ';

$t = ' 1111111fdddd ';
$wcTable = ' test ';//---------Note here
$WC = $wcHead. $wcTable. $wcFoot;
eval ($WC);

Echo $TB;

However, what I want to achieve is: a Click, then pops up $t= ' 1111111fdddd, the value of this variable, how to implement?? The following are the wrong methods:
$wcTable = 'Test';
$wcTable = 'Test';

------Solution--------------------

$wcTable =<<
 <>
Test
html

------Solution--------------------

 
  
$TB = ";
        $wcHead = ' $tb. =\ ';
        $wcTable = ";
        $wcFoot = ' \ '; ';

$t = ' 1111111fdddd ';
$wcTable = ' test ';//---------Note here
$WC = $wcHead. $wcTable. $wcFoot;
eval ($WC);

Echo $TB;

------Solution--------------------
Reference:

reference: PHP code?123$wctable=<<<>testhtml;
No, it's been resolved.

Test

Where not? Pop up 1111111fdddd isn't that what you want?

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