#!/usr/bin/env bash
set -euo pipefail

# Konfiguration
PHP_VERSION="5.6.40"
PHP_SRC="/usr/local/src/php/php-$PHP_VERSION"
ZLIB_PREFIX="/usr/local/zlib-1.2.11"
INSTALL_PREFIX="/usr/local/php56"

# 1. Quelle herunterladen
mkdir -p /usr/local/src/php
cd /usr/local/src/php
if [ ! -f "php-$PHP_VERSION.tar.bz2" ]; then
    wget https://www.php.net/distributions/php-$PHP_VERSION.tar.bz2
fi

# 2. Entpacken
if [ ! -d "$PHP_SRC" ]; then
    tar -xjf php-$PHP_VERSION.tar.bz2
fi

cd "$PHP_SRC"

# 3. Patches erstellen (Unix-LF)
cat > php56-fileinfo-fix.patch << 'EOF'
--- ext/fileinfo/libmagic/funcs.c
+++ ext/fileinfo/libmagic/funcs.c
@@ -439,7 +439,7 @@
-file_replace(struct magic_set *ms, const char *pat, const char *rep)
+void file_replace(struct magic_set *ms, const char *pat, const char *rep)
EOF

cat > php56-zlib-fix.patch << 'EOF'
--- ext/zlib/zlib.c
+++ ext/zlib/zlib.c
@@
-static void zm_globals_ctor_zlib(zend_zlib_globals *zlib_globals)
+static void zm_globals_ctor_zlib(void *zlib_globals)
+{
+    zend_zlib_globals *globals = (zend_zlib_globals *) zlib_globals;
+    globals->output_compression_default = 0;
+    globals->output_compression = 0;
+    globals->output_handler = NULL;
+}
EOF

cat > php56-mbfl-fix.patch << 'EOF'
--- ext/mbstring/libmbfl/mbfilter/mbfilter.c
+++ ext/mbstring/libmbfl/mbfilter/mbfilter.c
@@
-int mbfl_mbchar_bytes(int c)
+int mbfl_mbchar_bytes(unsigned int c)
EOF

# 4. Sicherstellen, dass Unix-Zeilenenden vorhanden sind
dos2unix php56-fileinfo-fix.patch
dos2unix php56-zlib-fix.patch
dos2unix php56-mbfl-fix.patch

# 5. Patches einspielen
patch -p0 < php56-fileinfo-fix.patch
patch -p0 < php56-zlib-fix.patch
patch -p0 < php56-mbfl-fix.patch

# 6. Configure & Build
make clean || true
./configure --prefix="$INSTALL_PREFIX" --with-zlib="$ZLIB_PREFIX" \
            --enable-mbstring --with-openssl --enable-soap --enable-zip
make -j$(nproc)
make install

echo "PHP $PHP_VERSION wurde erfolgreich installiert in $INSTALL_PREFIX"
echo "Führe '$INSTALL_PREFIX/bin/php -v' aus, um die Version zu prüfen."