Apache error logs memory leak

[Jose Borquez]

I keep getting errors in my apache error logs with the following:
Is this a problem with PHP?

/usr/ports/textproc/php5-xml/work/php-5.1.1/ext/xml/xml.c(695) :  
Freeing 0x0882
B624 (32 bytes), 
script=/usr/local/www/groupoffice-com-2.14-FINAL-4/modules/phps
ysinfo/index.php
/usr/ports/lang/php5/work/php-5.1.1/Zend/zend_hash.c(169) : Actual 
location (loc
ation was relayed)
Last leak repeated 1 time
/usr/ports/textproc/php5-xml/work/php-5.1.1/ext/xml/xml.c(694) :  
Freeing 0x0882
3BE4 (16 bytes), 
script=/usr/local/www/groupoffice-com-2.14-FINAL-4/modules/phps
ysinfo/index.php
/usr/ports/lang/php5/work/php-5.1.1/Zend/zend_execute_API.c(462) :  
Freeing 0x08
823124 (16 bytes), 
script=/usr/local/www/groupoffice-com-2.14-FINAL-4/modules/ph
psysinfo/index.php
Last leak repeated 1 time
Zend/zend_language_scanner.c(4938) :  Freeing 0x088769E4 (1 bytes), 
script=/usr/
local/www/groupoffice-com-2.14-FINAL-4/modules/phpsysinfo/index.php
/usr/ports/lang/php5/work/php-5.1.1/Zend/zend_compile.c(3200) :  Freeing 
0x08876
9A4 (16 bytes), 
script=/usr/local/www/groupoffice-com-2.14-FINAL-4/modules/phpsy
sinfo/index.php
Last leak repeated 3 times
=== Total 2791 memory leaks detected ===

Thanks in advance,
Jose