Fixing mac php tests (#10523)

* Manually run brew cleanup and initialize php

* Add debug loggin for visibility

* Allow underscores in php folder name

* Add logging to php tests

* Add tracing

* Only use the latest installation of php

kokoro/macos/php74/build.sh

@@ -9,10 +9,11 @@ cd $(dirname $0)/../../..
 source kokoro/macos/prepare_build_macos_rc
 
 # Install Dependencies
+brew cleanup
 brew install coreutils php@7.4
 
 # Configure path
-PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/7.4.[0-9]*")
+PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/7.4.[0-9_.]*" | sort -n | tail -n 1)
 test ! -z "$PHP_FOLDER"
 export PATH="$PHP_FOLDER/bin:$PATH"
 

kokoro/macos/php80/build.sh

@@ -9,10 +9,11 @@ cd $(dirname $0)/../../..
 source kokoro/macos/prepare_build_macos_rc
 
 # Install Dependencies
+brew cleanup
 brew install coreutils php@8.0
 
 # Configure path
-PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/8.0.[0-9]*")
+PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/8.0.[0-9_.]*" | sort -n | tail -n 1)
 test ! -z "$PHP_FOLDER"
 export PATH="$PHP_FOLDER/bin:$PATH"
 

php/tests/compile_extension.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -ex
 
 cd $(dirname $0)/..