Remove PM4 support

pthreads v4 will likely not work on PHP 8.3, and is not currently being tested.
I don't anticipate needing it in any case, since PM4 EOL is coming up in January.

compile.sh

@@ -14,7 +14,6 @@ LIBZIP_VERSION="1.10.1"
 SQLITE3_VERSION="3440200" #3.44.2
 LIBDEFLATE_VERSION="dd12ff2b36d603dbb7fa8838fe7e7176fcbd4f6f" #1.19
 
-EXT_PTHREADS_VERSION="4.2.2"
 EXT_PMMPTHREAD_VERSION="6.0.12"
 EXT_YAML_VERSION="2.2.3"
 EXT_LEVELDB_VERSION="317fdcd8415e1566fc2835ce2bdb8e19b890f9f3"
@@ -1031,13 +1030,7 @@ function get_pecl_extension {
 cd "$BUILD_DIR/php"
 write_out "PHP" "Downloading additional extensions..."
 
-if [ "$PM_VERSION_MAJOR" -ge 5 ]; then
-	get_github_extension "pmmpthread" "$EXT_PMMPTHREAD_VERSION" "pmmp" "ext-pmmpthread"
-	THREAD_EXT_FLAGS="--enable-pmmpthread"
-else
-	get_github_extension "pthreads" "$EXT_PTHREADS_VERSION" "pmmp" "ext-pmmpthread" #"v" needed for release tags because github removes the "v"
-	THREAD_EXT_FLAGS="--enable-pthreads"
-fi
+get_github_extension "pmmpthread" "$EXT_PMMPTHREAD_VERSION" "pmmp" "ext-pmmpthread"
 
 get_github_extension "yaml" "$EXT_YAML_VERSION" "php" "pecl-file_formats-yaml"
 #get_pecl_extension "yaml" "$EXT_YAML_VERSION"
@@ -1157,7 +1150,7 @@ $HAS_DEBUG \
 --enable-mbstring \
 --disable-mbregex \
 --enable-calendar \
-$THREAD_EXT_FLAGS \
+--enable-pmmpthread \
 --enable-fileinfo \
 --with-libxml \
 --enable-xml \

windows-compile-vs.bat

@@ -23,7 +23,6 @@ set PTHREAD_W32_VER=3.0.0
 set LEVELDB_MCPE_VER=1c7564468b41610da4f498430e795ca4de0931ff
 set LIBDEFLATE_VER=dd12ff2b36d603dbb7fa8838fe7e7176fcbd4f6f
 
-set PHP_PTHREADS_VER=4.2.2
 set PHP_PMMPTHREAD_VER=6.0.12
 set PHP_YAML_VER=2.2.3
 set PHP_CHUNKUTILS2_VER=0.3.5
@@ -219,14 +218,7 @@ cd /D ..
 call :pm-echo "Getting additional PHP extensions..."
 cd /D php-src\ext
 
-set THREAD_EXT_FLAGS=""
-if "%PM_VERSION_MAJOR%" geq "5" (
-    call :get-extension-zip-from-github "pmmpthread" "%PHP_PMMPTHREAD_VER%" "pmmp" "ext-pmmpthread" || exit 1
-    set THREAD_EXT_FLAGS="--with-pmmpthread=shared"
-) else (
-    call :get-extension-zip-from-github "pthreads" "%PHP_PTHREADS_VER%" "pmmp" "ext-pmmpthread" || exit 1
-    set THREAD_EXT_FLAGS="--with-pthreads=shared"
-)
+call :get-extension-zip-from-github "pmmpthread"            "%PHP_PMMPTHREAD_VER%"            "pmmp"     "ext-pmmpthread" || exit 1
 call :get-extension-zip-from-github "yaml"                  "%PHP_YAML_VER%"                  "php"      "pecl-file_formats-yaml"  || exit 1
 call :get-extension-zip-from-github "chunkutils2"           "%PHP_CHUNKUTILS2_VER%"           "pmmp"     "ext-chunkutils2"         || exit 1
 call :get-extension-zip-from-github "igbinary"              "%PHP_IGBINARY_VER%"              "igbinary" "igbinary"                || exit 1
@@ -304,7 +296,7 @@ call configure^
  --with-mysqlnd^
  --with-openssl^
  --with-pcre-jit^
- %THREAD_EXT_FLAGS%^
+ --with-pmmpthread=shared^
  --with-simplexml^
  --with-sodium^
  --with-sqlite3=shared^
@@ -345,11 +337,7 @@ call :pm-echo "Generating php.ini..."
 (echo error_reporting=-1)>>"%php_ini%"
 (echo zend.assertions=-1)>>"%php_ini%"
 (echo extension_dir=ext)>>"%php_ini%"
-if "%PM_VERSION_MAJOR%" geq "5" (
-    (echo extension=php_pmmpthread.dll)>>"%php_ini%"
-) else (
-    (echo extension=php_pthreads.dll)>>"%php_ini%"
-)
+(echo extension=php_pmmpthread.dll)>>"%php_ini%"
 (echo extension=php_openssl.dll)>>"%php_ini%"
 (echo extension=php_chunkutils2.dll)>>"%php_ini%"
 (echo extension=php_igbinary.dll)>>"%php_ini%"