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ArrayFindAll
Last update:
May 18, 2026
Note:
You can also set the maximum thread count in ColdFusion Administrator. Click Server Settings > Settings and specify the number of threads in Default Maximum Thread Count For Parallel Functions .
Description
Searches an array for all positions of a specified object. The function searches for simple objects such as strings and numbers or for complex objects such as structures. When the second parameter is a simple object, string searches are case-sensitive. This function does not support searches for COM and CORBA objects.
Returns
Array of indices in which the object was found.
History
ColdFusion (2021 release): Introduced the following parameters:
- parallel
- maxThreadCount
Category
Syntax
arrayFindAll(array, value or callback [, parallel] [, maxThreadCount])See also
Other array functions .
History
ColdFusion (2021 release): Introduced the following parameters:
- parallel
- maxThreadCount
ColdFusion (2018 release): Introduced named parameters.
ColdFusion 10: Added this function.
Parameters
| Parameter | Description |
array | Array to search in. |
value | Value to search for in the array. |
callback | Inline function executed for each element in the array. Returns true if the array elements match the search criterion. |
parallel | True if you want to enable parallel programming. |
maxThreadCount | The number of threads the function can execute. The number of threads must be between 1-50. If the value exceeds 50, there is an exception. |
Example
<cfscript>
writeDump(ArrayFindAll(["STRING","string"], "string"));
writeDump(ArrayFindAll(["STRING","string"], function(s) {if(compare(s, "string")==0) return true; return false;}));
</cfscript>Using parallelization
<cfscript>
for(i=1;i<=100001;i++){
if(i == 554)
arr[i]= -2147483648
else if(i == 768)
arr[i]=200
else
arr[i] = i*2;
}
writeoutput("<br>ArrayFindAll with parallel set to false: ")
writeoutput(arrayfindall(arr,200,false)[1])
writeoutput("<br>ArrayFindAll with 5 parallel threads: ")
writeoutput(arrayfindall(arr,200,true,5)[1])
writeoutput("<br>ArrayFindAll with negative number of threads: ")
try{
arr.findall(200,true,-10)
}
catch(any e){
writeoutput("Type: " & e.type & " Message:" & e.message )
}
writeoutput("<br>ArrayFindAll with 20 parallel threads: ")
writeoutput(arrayfindall(array=arr,value=200,parallel=true,maxthreadcount=20)[1])
writeoutput("<br>ArrayFindAll with more than 50 parallel threads: ")
try{
arr.findall(200,true,100)
}
catch(any e){
writeoutput("Type: " & e.type & " Message:" & e.message )
}
writeoutput("<br>ArrayFindAll with parallel and with no threads specified, will take thread count from cf admin: ")
writeoutput(arr.findall(200,true)[1])
</cfscript>
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