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Queries the number of array entries.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
JSON | 2.7 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
Parameter | Description | Example |
---|---|---|
json | A JSON text or reference. | "[1,2,3]" |
Returns number of array entries.
Checks number of array elements:
MBS( "JSON.GetArraySize"; "[1, 2, 3, 4]" )
Filter items in JSON:
Let([
// input may come from caller
input = "[{\"land\": \"CH\"}, {\"land\": \"CH\"}, {\"land\": \"DE\"}, {\"land\": \"AT\"}, {\"land\": \"CH\"}, {\"land\": \"CH\"}]";
// parse the JSON
j = MBS("JSON.Parse"; input);
// loop over items backwards
c = MBS("JSON.GetArraySize"; j);
r = While ( [ i = c-1 ] ; i >= 0 ; [
// query a value and if it doesn't match
r = If( MBS( "JSON.GetPathItem"; j; i & ¶ & "land"; 1 ) <> "CH" ;
// remove an item
MBS( "JSON.DeleteItemFromArray"; j; i ); ""); i = i - 1 ] ; "" );
// Format and return JSON
r = MBS("JSON.Format"; j);
x = MBS("JSON.Release"; j)
]; r)
Created 18th August 2014, last changed 5th November 2020
JSON.GetArrayPathItems - JSON.GetBooleanValue
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