Ismaël Mejía created AVRO-4281:
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             Summary: [php] Bound collection size when decoding arrays and maps
                 Key: AVRO-4281
                 URL: https://issues.apache.org/jira/browse/AVRO-4281
             Project: Apache Avro
          Issue Type: Sub-task
          Components: php
    Affects Versions: 1.13.0
            Reporter: Ismaël Mejía


{{AvroIODatumReader::readArray()}} and {{readMap()}} in 
{{lang/php/lib/Datum/AvroIODatumReader.php}} loop over the block count read 
from input without any bound; the block size is read and ignored.

Add a configurable maximum collection length, validated per block and 
cumulatively, and raise an appropriate {{AvroException}} when exceeded. Add a 
corresponding test.



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