From:             thuejk at gmail dot com
Operating system: Linux (all?)
PHP version:      5.5.0
Package:          PostgreSQL related
Bug Type:         Bug
Bug description:pg_copy_from() modifies input array variable

Description:
------------
The variable holding the array of values I pass to pg_copy_from() is
modified by 
pg_copy_from() (ints are changed to strings). Even though there is no
pass-by-
reference involved.

This bug also exists in PHP 5.2 at least.

Test script:
---------------
<?php
function test(Array $values) {
  $params = sprintf("host='%s' dbname='%s' user='%s' password='%s'",
                    "localhost",
                    "thue",
                    "thue",
                    "password");
  $connection = pg_pconnect($params, PGSQL_CONNECT_FORCE_NEW);

  pg_query("begin");
  pg_query("CREATE TABLE test(i INTEGER)");
  pg_copy_from($connection, "test", $values, "\t", "NULL");
  pg_query("rollback");
}

$values = Array(1,2,3);
var_dump($values);
test($values);
var_dump($values);
?>


Expected result:
----------------
The two var_dump()s should return identical outputs.

Actual result:
--------------
t@t ~/php/php-5.5.0> ./sapi/cli/php ~/test.php
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}
array(3) {
  [0]=>
  string(1) "1"
  [1]=>
  string(1) "2"
  [2]=>
  string(1) "3"
}


-- 
Edit bug report at https://bugs.php.net/bug.php?id=65199&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=65199&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=65199&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=65199&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=65199&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=65199&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=65199&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=65199&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=65199&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=65199&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=65199&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=65199&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=65199&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=65199&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65199&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=65199&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=65199&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=65199&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65199&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=65199&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=65199&r=mysqlcfg

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