feat: extract PHP version restrictions

Makefile

@@ -13,6 +13,9 @@ update-release:
 update-rss:
 	./scripts/update-rss.sh
 
+update-version-compat:
+	./scripts/update-version-compat.sh
+
 tag:
 	./scripts/tag-release.sh
 

scripts/extract-php-version-constraints.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+##
+# @license http://unlicense.org/UNLICENSE The UNLICENSE
+# @author William Desportes <[email protected]>
+##
+
+if ! command -v jq &> /dev/null
+then
+    echo "jq could not be found"
+    exit 1
+fi
+
+set -e
+
+git checkout -q gh-pages > /dev/null
+
+# Only normal releases
+FOUND_PHARS="$(find ./releases/ -type f -name 'VERSION' -not -path '*-dev/*' -not -path '*/dev/*' -not -path '*/latest/*' | sort -n)"
+
+VERSION_COMPAT='{}'
+
+for file in $FOUND_PHARS; do
+    VERSION="$(cat "$file")"
+    COMPOSER_JSON="$(git show "v${VERSION}:./composer.json")"
+    REQUIRED_VERSION="$(printf '%s' "${COMPOSER_JSON}" | jq -r .require.php)"
+    VERSION_COMPAT="$(echo "${VERSION_COMPAT} {\"${VERSION}\": \"${REQUIRED_VERSION}\"}" | jq -s add)"
+done
+
+printf '%s' "${VERSION_COMPAT}" | jq -r
+
+git checkout -q - > /dev/null
+

scripts/update-version-compat.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+##
+# @license http://unlicense.org/UNLICENSE The UNLICENSE
+# @author William Desportes <[email protected]>
+##
+
+set -e
+
+VERSIONS_COMPAT="$(./scripts/extract-php-version-constraints.sh)"
+
+git checkout gh-pages
+
+printf '%s\n' "${VERSIONS_COMPAT}" > versions-platform-compatibility.json
+# Parsing check
+jq -r '.' versions-platform-compatibility.json > /dev/null
+
+# Commit the changes
+git add -A "versions-platform-compatibility.json"
+git commit -S -m "Update the version compatibility file" -m "#versions-compat"
+
+git checkout -