Conditionals for modx template variables

  
  /* if the content of the variable is empty do nothing 
     otherwise display the content (for single TV use only) */
      
        [[*templateVariable:notempty=`` ]]
  
  /* example */

        [[*templateVariable:notempty=`<img src="stuff.jpg">` ]]  
   
  
  /* for full layouts, make sure "else" part is on its own line. */

    [[*templateVariable:!empty=`
        <section>
          <div>Do Something</div>
        </section> 
     `:else=``]]


/*  Hide Section if no child resources  */

    [[$chunk:notempty=`<section>[[$chunk]]</section>`]]

/* for the date variable - set its default to 0 */

[[*startDate:is=`0`:then=`
          <p>
             Do this if a date HASN'T been set
          </p>
`:else=`
         <p>
           Do this if a date HAS been set
         </p>
`]]    
 
/* conditional layouts if template variable is empty */

[[!*templatevariable:is=``:then=`Do this `:else=`do that`]]


/* IF id of Page is '' then do something or do something else */

 [[*id:eq=`15`:then=`<p>Do something or nothing</p>`:else=`<p>Do something Else</p>`]]
      

/*MODX-EVO template variables eg:  [*stuff*].  If stuff is empty then do nothing otherwise do 'then' */

[*stuff:isnot=``:then=`<div class="slide" style="background-image:url([*stuff*])"> </div>`:else=``*]