title: PHP Warning: PHP Startup: Invalid library (maybe not a PHP library) in Unknown on line 0
body: <p>Would like to add the <del>gd</del> zip extension to php, done the phpize ./configure make make install routine, still can't find <del>gd</del> zip. Any idea ?</p>
  
  <pre><code>root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # phpize 
  Configuring for:
  PHP Api Version:         20121113
  Zend Module Api No:      20121212
  Zend Extension Api No:   220121212
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # ./configure 
  checking for grep that handles long lines and -e... /bin/grep
  checking for egrep... /bin/grep -E
  checking for a sed that does not truncate output... /bin/sed
  checking for cc... cc
  checking whether the C compiler works... yes
  checking for C compiler default output file name... a.out
  checking for suffix of executables... 
  checking whether we are cross compiling... no
  checking for suffix of object files... o
  checking whether we are using the GNU C compiler... yes
  checking whether cc accepts -g... yes
  checking for cc option to accept ISO C89... none needed
  checking how to run the C preprocessor... cc -E
  checking for icc... no
  checking for suncc... no
  checking whether cc understands -c and -o together... yes
  checking for system library directory... lib
  checking if compiler supports -R... no
  checking if compiler supports -Wl,-rpath,... yes
  checking build system type... x86_64-unknown-linux-gnu
  checking host system type... x86_64-unknown-linux-gnu
  checking target system type... x86_64-unknown-linux-gnu
  checking for PHP prefix... /usr/local
  checking for PHP includes... -I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/TSRM -I/usr/local/include/php/Zend -I/usr/local/include/php/ext -I/usr/local/include/php/ext/date/lib
  checking for PHP extension directory... /usr/local/lib/php/extensions/no-debug-non-zts-20121212
  checking for PHP installed headers prefix... /usr/local/include/php
  checking if debug is enabled... no
  checking if zts is enabled... no
  checking for re2c... no
  configure: WARNING: You will need re2c 0.13.4 or later if you want to regenerate PHP parsers.
  checking for gawk... no
  checking for nawk... nawk
  checking if nawk is broken... no
  checking for zip archive read/writesupport... yes, shared
  checking for the location of libz... no
  checking pcre install prefix... no
  checking for the location of zlib... /usr
  checking for ld used by cc... /usr/bin/ld
  checking if the linker (/usr/bin/ld) is GNU ld... yes
  checking for /usr/bin/ld option to reload object files... -r
  checking for BSD-compatible nm... /usr/bin/nm -B
  checking whether ln -s works... yes
  checking how to recognize dependent libraries... pass_all
  checking for ANSI C header files... yes
  checking for sys/types.h... yes
  checking for sys/stat.h... yes
  checking for stdlib.h... yes
  checking for string.h... yes
  checking for memory.h... yes
  checking for strings.h... yes
  checking for inttypes.h... yes
  checking for stdint.h... yes
  checking for unistd.h... yes
  checking dlfcn.h usability... yes
  checking dlfcn.h presence... yes
  checking for dlfcn.h... yes
  checking the maximum length of command line arguments... 1572864
  checking command to parse /usr/bin/nm -B output from cc object... ok
  checking for objdir... .libs
  checking for ar... ar
  checking for ranlib... ranlib
  checking for strip... strip
  checking if cc supports -fno-rtti -fno-exceptions... no
  checking for cc option to produce PIC... -fPIC
  checking if cc PIC flag -fPIC works... yes
  checking if cc static flag -static works... yes
  checking if cc supports -c -o file.o... yes
  checking whether the cc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
  checking whether -lc should be explicitly linked in... no
  checking dynamic linker characteristics... GNU/Linux ld.so
  checking how to hardcode library paths into programs... immediate
  checking whether stripping libraries is possible... yes
  checking if libtool supports shared libraries... yes
  checking whether to build shared libraries... yes
  checking whether to build static libraries... no
  
  creating libtool
  appending configuration tag "CXX" to libtool
  configure: creating ./config.status
  config.status: creating config.h
  config.status: config.h is unchanged
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # make
  /bin/bash /root/DOWNLOADS/php-5.5.23/ext/zip/libtool --mode=install cp ./zip.la /root/DOWNLOADS/php-5.5.23/ext/zip/modules
  cp ./.libs/zip.so /root/DOWNLOADS/php-5.5.23/ext/zip/modules/zip.so
  cp ./.libs/zip.lai /root/DOWNLOADS/php-5.5.23/ext/zip/modules/zip.la
  PATH="$PATH:/sbin" ldconfig -n /root/DOWNLOADS/php-5.5.23/ext/zip/modules
  ----------------------------------------------------------------------
  Libraries have been installed in:
     /root/DOWNLOADS/php-5.5.23/ext/zip/modules
  
  If you ever happen to want to link against installed libraries
  in a given directory, LIBDIR, you must either use libtool, and
  specify the full pathname of the library, or use the `-LLIBDIR'
  flag during linking and do at least one of the following:
     - add LIBDIR to the `LD_LIBRARY_PATH' environment variable
       during execution
     - add LIBDIR to the `LD_RUN_PATH' environment variable
       during linking
     - use the `-Wl,--rpath -Wl,LIBDIR' linker flag
     - have your system administrator add LIBDIR to `/etc/ld.so.conf'
  
  See any operating system documentation about shared libraries for
  more information, such as the ld(1) and ld.so(8) manual pages.
  ----------------------------------------------------------------------
  
  Build complete.
  Don't forget to run 'make test'.
  
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # make install
  Installing shared extensions:     /usr/local/lib/php/extensions/no-debug-non-zts-20121212/
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # 
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # php -m
  PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'gd.so' in Unknown on line 0
  
  Warning: PHP Startup: Invalid library (maybe not a PHP library) 'gd.so' in Unknown on line 0
  PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'zip.so' in Unknown on line 0
  
  Warning: PHP Startup: Invalid library (maybe not a PHP library) 'zip.so' in Unknown on line 0
  PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'zlib.so' in Unknown on line 0
  
  Warning: PHP Startup: Invalid library (maybe not a PHP library) 'zlib.so' in Unknown on line 0
  [PHP Modules]
  Core
  ctype
  date
  dom
  ereg
  fileinfo
  filter
  gd
  hash
  iconv
  json
  libxml
  pcre
  PDO
  pdo_sqlite
  Phar
  posix
  Reflection
  session
  SimpleXML
  SPL
  sqlite3
  standard
  tokenizer
  xml
  xmlreader
  xmlwriter
  
  [Zend Modules]
  
  root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # 
  </code></pre>
  
  <p>And here's the result of <code>make test</code> (all tests skipped and same warnings printed on top)</p>
  
  <pre><code>root@audio-mon[10.10.10.82] ~/DOWNLOADS/php-5.5.23/ext/zip # make test
  
  Build complete.
  Don't forget to run 'make test'.
  
  PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'zip.so' in Unknown on line 0
  PHP Warning:  PHP Startup: Invalid library (maybe not a PHP library) 'zip.so' in Unknown on line 0
  
  =====================================================================
  PHP         : /usr/local/bin/php 
  Warning: PHP Startup: Invalid library (maybe not a PHP library) 'zip.so' in Unknown on line 0
  
  PHP_SAPI    : cli
  PHP_VERSION : 5.5.23
  ZEND_VERSION: 2.5.0
  PHP_OS      : Linux - Linux audio-mon 3.2.0-4-amd64 #1 SMP Debian 3.2.65-1+deb7u2 x86_64
  INI actual  : /root/DOWNLOADS/php-5.5.23/ext/zip/tmp-php.ini
  More .INIs  :  
  CWD         : /root/DOWNLOADS/php-5.5.23/ext/zip
  Extra dirs  : 
  VALGRIND    : Not used
  =====================================================================
  TIME START 2015-10-27 09:11:32
  =====================================================================
  SKIP Check for zip presence [tests/001.phpt] 
  SKIP Bug #11216 (::addEmptyDir() crashes when the directory already exists) [tests/bug11216.phpt] 
  SKIP Bug #14962 (::extractTo second argument is not really optional) [tests/bug14962.phpt] 
  SKIP #38943, properties in extended class cannot be set (5.3+) [tests/bug38943.phpt] 
  SKIP Bug #38944 (newly created ZipArchive segfaults when accessing comment property) [tests/bug38944.phpt] 
  SKIP Bug #40228 (extractTo does not create recursive empty path) [tests/bug40228.phpt] 
  SKIP Bug #47667 (ZipArchive::OVERWRITE seems to have no effect) [tests/bug47667.phpt] 
  SKIP Bug #49072 (feof never returns true for damaged file in zip) [tests/bug49072.phpt] 
  SKIP Bug #51353 ZIP64 problem, archive with 100000 items [tests/bug51353.phpt] 
  SKIP Bug #53579 (stream_get_contents() segfaults on ziparchive streams) [tests/bug53579.phpt] 
  SKIP Bug #53603 (ZipArchive should quiet stat errors) [tests/bug53603.phpt] 
  SKIP Bug #53854 (Missing constants for compression type) [tests/bug53854.phpt] 
  SKIP Bug #53885 (ZipArchive segfault with FL_UNCHANGED on empty archive) [tests/bug53885.phpt] 
  SKIP Bug #64342 ZipArchive::addFile() has to check file existence (variation 1) [tests/bug64342_0.phpt] 
  SKIP Bug #64342 ZipArchive::addFile() has to check file existence (variation 2) [tests/bug64342_1.phpt] 
  SKIP Bug #7214 (zip_entry_read() binary safe) [tests/bug7214.phpt] 
  SKIP Bug #7658 (modify archive with general bit flag 3 set) [tests/bug7658.phpt] 
  SKIP Bug #8009 (cannot add again same entry to an archive) [tests/bug8009.phpt] 
  SKIP Bug #8700 (getFromIndex(0) fails) [tests/bug8700.phpt] 
  SKIP ziparchive::addEmptyDir [tests/oo_addemptydir.phpt] 
  SKIP ziparchive::addFile() function [tests/oo_addfile.phpt] 
  SKIP zip::close() function [tests/oo_close.phpt] 
  SKIP Delete entries [tests/oo_delete.phpt] 
  SKIP Extending Zip class and array property [tests/oo_ext_zip.phpt] 
  SKIP extractTo [tests/oo_extract.phpt] 
  SKIP getComment [tests/oo_getcomment.phpt] 
  SKIP getNameIndex [tests/oo_getnameindex.phpt] 
  SKIP This test will test getStatusString method in ZipArchive [tests/oo_getstatusstring.phpt] reason: extension not available
  SKIP Locate entries by name [tests/oo_namelocate.phpt] 
  SKIP zip::open() function [tests/oo_open.phpt] 
  SKIP ziparchive::properties isset()/empty() checks [tests/oo_properties.phpt] 
  SKIP Rename entries [tests/oo_rename.phpt] 
  SKIP setComment [tests/oo_setcomment.phpt] 
  SKIP getStream [tests/oo_stream.phpt] 
  SKIP Bug #12414 ( extracting files from damaged archives) [tests/pecl12414.phpt] 
  SKIP stream_get_meta_data() on zip stream [tests/stream_meta_data.phpt] 
  SKIP zip_close() function [tests/zip_close.phpt] 
  SKIP zip_entry_compressedsize() function [tests/zip_entry_compressedsize.phpt] 
  SKIP zip_entry_compressionmethod() function [tests/zip_entry_compressionmethod.phpt] 
  SKIP zip_entry_filesize() function [tests/zip_entry_filesize.phpt] 
  SKIP zip_entry_name() function [tests/zip_entry_name.phpt] 
  SKIP zip_entry_open() function [tests/zip_entry_open.phpt] 
  SKIP zip_entry_read() function [tests/zip_entry_read.phpt] 
  SKIP zip_open() function [tests/zip_open.phpt] 
  SKIP zip_open() error conditions [tests/zip_open_error.phpt] 
  SKIP zip_read() function [tests/zip_read.phpt] 
  =====================================================================
  TIME END 2015-10-27 09:11:33
  
  =====================================================================
  TEST RESULT SUMMARY
  ---------------------------------------------------------------------
  Exts skipped    :    0
  Exts tested     :   27
  ---------------------------------------------------------------------
  
  Number of tests :   46                 0
  Tests skipped   :   46 (100.0%) --------
  Tests warned    :    0 (  0.0%) (  0.0%)
  Tests failed    :    0 (  0.0%) (  0.0%)
  Expected fail   :    0 (  0.0%) (  0.0%)
  Tests passed    :    0 (  0.0%) (  0.0%)
  ---------------------------------------------------------------------
  Time taken      :    1 seconds
  =====================================================================
  </code></pre>