diff --git a/php-cs/Dockerfile b/php-cs/Dockerfile
index ef9bdcd..5732020 100644
--- a/php-cs/Dockerfile
+++ b/php-cs/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.2
+FROM php:7.4
 
 RUN apt-get update -q && \
     DEBIAN_FRONTEND=noninteractive apt-get install -q -y \
@@ -7,3 +7,4 @@ RUN apt-get update -q && \
     && rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/*
 
 COPY check-php-cs.sh /check-php-cs.sh
+COPY check-license.sh /check-license.sh
diff --git a/php-cs/check-license.sh b/php-cs/check-license.sh
new file mode 100755
index 0000000..7afe405
--- /dev/null
+++ b/php-cs/check-license.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+#
+# Checks if the license header is correct
+#
+
+[[ -z "${CHANGED_FILES}" ]] && exit 0
+
+current_year=$(date +"%Y")
+php_template_md5=$(sed "s/%%YEAR%%/$current_year/g" "mods/license/license_php.template" | md5sum)
+php_template_rows=$(wc -l "mods/license/license_php.template" | cut -d" " -f1)
+
+exitVal=0
+
+for file in "${CHANGED_FILES[@]}"; do
+	php_license_md5=$(head -n "$php_template_rows" "$file" | md5sum)
+	[[ "$php_template_md5" != "$php_license_md5" ]] && printf " - %s\n" "$file" && exitVal=1
+done
+
+[[ $exitVal != 0 ]] && echo "License headers are missing or wrong"
+
+exit $exitVal