dyld Library not loaded usr local lib libpng16 16 dylib with anything php related

Question

Using any php application results in   dyld  Library not loaded   usr local lib libpng15 15 dylib Referenced from   usr local bin php Reason  image not found  1     4494 trace trap  php   Most of my php applications were installed using homebrew with the exception of composer  installed using curl   I tried removing the the libpng and reinstalling with homebrew to no avail   Next was to switch to latest version of libpng 1 5 as stated in the error message     brew info libpng libpng  stable 1 6 10  bottled   http   www libpng org pub png libpng html  usr local Cellar libpng 1 5 17  15 files  1 0M  Poured from bottle  usr local Cellar libpng 1 5 18  15 files  1 0M  Poured from bottle  usr local Cellar libpng 1 6 10  17 files  1 3M       brew switch libpng 1 5 18 Cleaning  usr local Cellar libpng 1 5 17 Cleaning  usr local Cellar libpng 1 5 18 Cleaning  usr local Cellar libpng 1 6 10 16 links created for  usr local Cellar libpng 1 5 18   Now the error has changed to   dyld  Library not loaded   usr local lib libpng16 16 dylib Referenced from   usr local lib libfreetype 6 dylib Reason  image not found  1     6993 trace trap  phpunit   Im running Mavericks  10 9 2  and PHP 5 5 1   Thanks in advance

User · Accepted Answer

I suggest you run     brew update  amp  amp  brew upgrade   Until couple of minutes ago I had this problem  too  Because I have an up to date PHP version  I solved it with     brew reinstall php55   Hope that helps

User · Answer

I had this error that wasn t solved by brew update  amp  amp  brew upgrade  For some reason I needed to install it from scratch      brew install libpng

User · Answer

I had very hard time with this error        Reason  Incompatible library version  php   requires version 44 0 0 or later  but libpng16 16 dylib provides   version 42 0 0 Trace BPT trap  6   I did all the above things with brew and much more     but it wasn t this    Check where your library is        sudo find   -name libpng16 16 dylib   In my case here was the relevant result      usr local lib libpng16 16 dylib  usr local Cellar libpng 1 6 34 lib libpng16 16 dylib  Applications MAMP Library lib libpng16 16 dylib  opt X11 lib libpng16 16 dylib   So as I m a MAMP user it turn out that the error appeared while I was trying to update from PHP 7 1 0 to 7 1 8  last MAMP php available  as Symfony4 require at least 7 1 3   At the end I instaled the new version of MAMP and it worked  4 1 to 4 2   However be carreful when you re doing this  you need to backup first everything in your MAMP htdoc folder  Also keep a backup of your custom compiled php version than can live in MAMP bin php   In my case I had a special PHP version with Oracle drivers    Also if you configured the MAMP php version to be your CLI php interpreter  you ll need to update the PATH in your  bash profile  It should look something like this        export PATH  Applications MAMP bin php php7 1 8 bin  PATH   I hope this can help

User · Answer

I know this question has already an answer that gives a solution  But I want to give you my two cents to help people to understand the problem  Getting same issue I ve created a specific  question  I got same problem  but only with PHPStorm  And exactly when I try to run test from the editor   dyld is the dynamic linker  I sow that dyld was looking for  usr local lib libpng15 15 dylib but inside my  usr local lib  there was not  In that folder  I got libpng16 16 dylib   Thanks to a comment  I undestand that my  usr bin php was a pointer to php 5 5 8  Instead       usr local bin php was 5 5 14  PHPStorm worked with  usr bin php that is default configuration  When I run php via console  I run  urs local bin php   So      If you get some dyld error  maybe you have some wrong php configuration  That s the reason because    brew update  amp  amp  brew upgrade   brew reinstall php55   But I dont know why this do not solve the problem to me  Maybe because I have

User · Answer

Just in case someone else runs into this problem I solved it by the following  brew update  amp  amp  brew upgrade   installs libpng 1 6   This caused an error with other packages requiring 1 5 which they were built with  so I linked it   cd  usr local lib  ln -s    Cellar libpng 1 5 18 lib libpng15 15 dylib   Now they are both living in harmony and side by side for the different packages   It would be better to rebuild the packages that depend on 1 5  but this works as a quick bandage fix

User · Answer

In my case it was libjpeg  All I had to do was run brew reinstall libjpeg and everything just worked

User · Answer

I got this problem after updating MAMP  and the custom  PATH I had set was wrong because of the new php version  so the wrong version of php was loaded first  and it was that version of php that triggered the error   Updating the path in my  bash profile fixed my issue

User · Answer

I also had this problem  and none of the solutions in this thread worked for me   As it turns out  the problem was that I had this line in    bash profile   alias php   usr local php bin php    And  as it turns out   usr local php was just a symlink to  usr local Cellar php54 5 4 24    So when I invoked php -i I was still invoking php54   I just deleted this line from my bash profile  and then php worked   For some reason  even though php55 was now running  the php ini file from php54 was still loaded  and I received this warning every time I invoked php   PHP Warning   PHP Startup  Unable to load dynamic library   usr local Cellar php54 5 4 38 lib php extensions no-debug-non-zts-20100525 memcached so  - dlopen  usr local Cellar php54 5 4 38 lib php extensions no-debug-non-zts-20100525 memcached so  9   image not found in Unknown on line 0   To fix this  I just added the following line to my bash profile   export PHPRC  usr local etc php 5 5 php ini   And then everything worked as normal

User · Answer

It s because there s no symlinks for libpng  You need to link libpng again   brew unlink libpng  amp  amp  brew link libpng   And you may get some error  I fixed that error by correcting permission  Maybe it s because of uninstalled macports   sudo chown -R yourid staff  usr local share man    Create link again and it ll work

User · Answer

I solved this by copying it over to the missing directory     cp  opt X11 lib libpng15 15 dylib  usr local lib libpng15 15 dylib   brew reinstall libpng kept installing libpng16  not libpng15 so I was forced to do the above

User · Answer

I followed the above  never a bad idea to keep up to date with brew anyhow  and still had the same exact issue   LAPTOP folder Username  php -v dyld  Library not loaded   usr local lib libpng15 15 dylib   Referenced from   usr local bin php   Reason  image not found Trace BPT trap  5   Then figured out a simpler way    Search for your libpng version s  on your box     Requires locate  amp  updatedb for mac os x   See Link  1   LAPTOP folder Username  locate libpng15 15 dylib  Applications GIMP app Contents Resources lib libpng15 15 dylib  usr X11 lib libpng15 15 dylib  usr local Cellar libpng 1 5 14 lib libpng15 15 dylib   Make a symlink   LAPTOP folder Username  ln -s  usr local Cellar libpng 1 5 14 lib libpng15 15 dylib  usr local lib libpng15 15 dylib   Try again   LAPTOP folder Username  php -v PHP 5 3 26  cli   built  Aug 25 2013 16 07 23   Copyright  c  1997-2013 The PHP Group Zend Engine v2 3 0  Copyright  c  1998-2013 Zend Technologies     with Xdebug v2 2 3  Copyright  c  2002-2013  by Derick Rethans   1  Mac OS X equivalent of locate

[php] dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related

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