TryCF Gist

trycf-gist-1649371779548-330ab56d-ed04-b075-033e-f634995c046f.cfm

<cfscript>
// Single parents
//apiData = [{"id":13},{"id":16},{"id":17},{"id":18},{"id":14},{"id":15}];

// parents with one nested level of children
//apiData = [{"id":16},{"id":13,"children":[{"id":14}]},{"id":17,"children":[{"id":15}]},{"id":18}];

// parents with two nested levels of children
apidata =  [{"id":10},{"id":13,"children":[{"id":14,"children":[{"id":15}]}]},{"id":2,"children":[{"id":5,"value":"Item 5 value","foo":"Bar","children":[{"id":6},{"id":7},{"id":8}]},{"id":3},{"id":4}]},{"id":9},{"id":1},{"id":16},{"id":17}];

for (myStruct in apiData) { // First level

    writeoutput(mystruct.id); writeoutput("<br>");
    
    // Second level
    
    if(structKeyExists(myStruct,"children")) { 
    
        if(isarray(mystruct.children)) {
        
            for (child in mystruct.children) {
            
            writeoutput(" - "); writeoutput(child.id); writeoutput(" (Parent of #mystruct.id#) <br>");
            
                // 3rd level
        
                if(structKeyExists(child,"children")) { 
                
                    if(isarray(child.children)) {
                    
                        for (child2 in child.children) {
                        
                        writeoutput(" ---"); writeoutput(child2.id); writeoutput(" (Parent of #child.id#) <br>");
                        
                        }
                    
                    }
                
                } // END 3rdlevel
            
            }
        
        }
    
    } // END Second level
    
}  // END First level



</cfscript>

<br><br>
<p>Tag version</p>

<!--- First level --->
<cfloop array="#apiData#" index="myStruct">
    
  <cfif structKeyExists(myStruct,"id")>
      
      <cfoutput>#mystruct.id#<br></cfoutput>
      <!--- Second level --->
      <cfif structKeyExists(myStruct,"children")>
          
          <cfif isarray(mystruct.children)>
              
              <cfoutput>
              <cfloop array="#mystruct.children#" index="child">
                - #child.id# (Parent of #mystruct.id#)<br>
                
                <!--- 3rd level --->
                    <cfif structKeyExists(child,"children")>
                    
                        <cfif isarray(child.children)>
                        
                        <cfoutput>
                        <cfloop array="#child.children#" index="child2">
                        ---- #child2.id# (Parent of #child.id#)<br>
                        </cfloop>
                        </cfoutput>
                        
                        </cfif>
                    
                    </cfif>
                <!--- END 3rd level --->
                
              </cfloop>
              </cfoutput>
  
          </cfif>
          
      </cfif>
      <!--- END Second level --->
      
  </cfif>
  
</cfloop>
<!--- END First level --->

<br><br>


<cfdump var="#apidata#">