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From 46fd58be9c1291eb563fd13315de5eeae9107c75 Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Mon, 20 Sep 2021 13:44:02 +0200
Subject: [PATCH] Fix #457 ensure format is always lowercase

---
 imagick.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/imagick.c b/imagick.c
index ac889118..ee725669 100644
--- a/imagick.c
+++ b/imagick.c
@@ -3388,6 +3388,7 @@ static zval *php_imagick_read_property(zend_object *object, zend_string *member,
 					if (format) {
 						retval = rv;
 						ZVAL_STRING(retval, format);
+						php_strtolower(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
 						IMAGICK_FREE_MAGICK_MEMORY(format);
 					} else {
 						retval = rv;
@@ -3460,6 +3461,7 @@ static zval *php_imagick_read_property(zval *object, zval *member, int type, voi
 					if (format) {
 						retval = rv;
 						ZVAL_STRING(retval, format);
+						php_strtolower(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
 						IMAGICK_FREE_MAGICK_MEMORY(format);
 					} else {
 						retval = rv;
@@ -3542,6 +3544,7 @@ static zval *php_imagick_read_property(zval *object, zval *member, int type, con
 
 					if (format) {
 						ZVAL_STRING(retval, format, 1);
+						php_strtolower(Z_STRVAL_P(retval), Z_STRLEN_P(retval));
 						IMAGICK_FREE_MAGICK_MEMORY(format);
 					} else {
 						ZVAL_STRING(retval, "", 1);