Refactor extension functions to add_extensions scripts

src/scripts/extensions/patches/phpize.sh

@@ -0,0 +1,26 @@
+# Function to get phpize location on darwin.
+get_phpize() {
+  if [[ "${version:?}" =~ 5.[3-5] ]]; then
+    echo '/opt/local/bin/phpize'
+  else
+    echo "/usr/local/bin/$(readlink /usr/local/bin/phpize)"
+  fi
+}
+
+# Function to patch phpize to link to php headers on darwin.
+patch_phpize() {
+  if [ "$(uname -s)" = "Darwin" ]; then
+    sudo cp "$phpize_orig" "$phpize_orig.bck"
+    sudo sed -i '' 's~includedir=.*~includedir="$(xcrun --show-sdk-path)/usr/include/php"~g' "$phpize_orig"
+  fi
+}
+
+# Function to restore phpize.
+restore_phpize() {
+  if [ "$os" = "Darwin" ]; then
+    sudo mv "$phpize_orig.bck" "$phpize_orig" || true
+  fi
+}
+
+os="$(uname -s)"
+phpize_orig="$(get_phpize)"