How to resolve the issue of "dyld: Library not loaded:" while installing PHP on macOS?

I'm currently facing an issue while installing the most recent version of PHP on my Mac. I attempted the following:

brew install php72 --force

Afterward, when I wanted to verify the installed version, I encountered this error:

localhost:regagents davea$ php --version
dyld: Library not loaded: /usr/local/opt/readline/lib/libreadline.7.dylib
  Referenced from: /usr/local/Cellar/php72/7.2.1_12/bin/php
  Reason: image not found
Abort trap: 6

Hence, I decided to reinstall readline, or so I believe...

 localhost:regagents davea$ brew reinstall readline
==> Reinstalling readline 
==> Downloading https://homebrew.bintray.com/bottles/readline-8.0.0.high_sierra.bottle.tar.gz
Already downloaded: /Users/davea/Library/Caches/Homebrew/downloads/c0566e677ba9f92c270590e2d8132f95668817a7817d2ee47711ff3c2ff045d6--readline-8.0.0.high_sierra.bottle.tar.gz
==> Pouring readline-8.0.0.high_sierra.bottle.tar.gz
==> Caveats
readline is keg-only, which means it was not symlinked into /usr/local,
because macOS provides the BSD libedit library, which shadows libreadline.
In order to prevent conflicts when programs look for libreadline we are
defaulting this GNU Readline installation to keg-only.

For compilers to find readline you may need to set:
  export LDFLAGS="-L/usr/local/opt/readline/lib"
  export CPPFLAGS="-I/usr/local/opt/readline/include"

For pkg-config to find readline you may need to set:
  export PKG_CONFIG_PATH="/usr/local/opt/readline/lib/pkgconfig"

==> Summary
🍺 /usr/local/Cellar/readline/8.0.0: 48 files, 1.5MB

However, despite the reinstallation, executing "php -version" continues to produce the same error message. What could be the reason for this? How can I successfully install and run PHP on my Mac?

phpmacosdylibphp-7.2

Answer №1

It seems that your current version of php is linked against readline 7, but you actually have readline 8 installed. To resolve this issue, it is recommended to update php. The most up-to-date package available is php72 version 7.2.17_1, which can be installed through homebrew.

brew update
brew upgrade php72

If you prefer to use the latest release, you can install php package version 7.3.4 using the following command:

brew install php

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