mysql resultset is very slow in php output -


i have query 4000 rows in resultset. if execute query in query browser heidisql 4000 lines in 0.5 seconds. if make print_r($result); view inside internet browser, datas in 30 seconds. big difference! have tried mysqli , pdo same problem. simple query twotable (with left join) 18 columns. have in query , criterias indexed (2 index!) have mysql 5.1 php 5.3

here code:

$db_handle->setattribute(pdo::attr_errmode, pdo::errmode_exception); $db_handle->setattribute(pdo::attr_autocommit, false); $time_start = microtime(true);  $sqlcff = " select .... "; $result_set = $db_handle->query($sqlcff);  $result = $result_set -> fetchall(); print_r ($result);  $time_end = microtime(true);  $time_res = $time_end - $time_start;

here result explain:

1   simple  f   range   center  center  20      51000   using index condition; using where; using mrr 1   simple  g   ref compte  compte  62  func    1   using

if has idea figure out more fast output in php?

thx in advance

using explain

explain select * tablename

understanding explain’s output

          id: 1   select_type: simple         table: categories          type: possible_keys: null           key: null       key_len: null           ref: null          rows: 4         extra:  1 row in set (0.00 sec)

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