Fix typo
Allow T_POW in constant expressions
Updated news for #66822
Include the T_POW operator in constant scalar expressions
Add fread(length) method

Fixed off-by-one write bug

Added test
Updated NEWS for #65545
Merge branch 'PHP-5.5' into PHP-5.6
Updated NEWS for #65545
Fixed null termination
Merge branch 'PHP-5.5' into PHP-5.6
Update php.ini files (new openssl directives)
add OPSYS_Z_CPM missing constant