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-rw-r--r--ext/xmlwriter/examples/xmlwriter_file.php2
-rw-r--r--ext/xmlwriter/examples/xmlwriter_mem.php2
-rw-r--r--ext/xmlwriter/examples/xmlwriter_mem_ns.php2
3 files changed, 3 insertions, 3 deletions
diff --git a/ext/xmlwriter/examples/xmlwriter_file.php b/ext/xmlwriter/examples/xmlwriter_file.php
index e200a11dc0..13bb262334 100644
--- a/ext/xmlwriter/examples/xmlwriter_file.php
+++ b/ext/xmlwriter/examples/xmlwriter_file.php
@@ -5,7 +5,7 @@ $xw = xmlwriter_open_uri('./a.xml');
xmlwriter_set_indent($xw, 1);
$res = xmlwriter_set_indent_string($xw, ' ');
-xmlwriter_start_document($xw, '1.0', 'utf8');
+xmlwriter_start_document($xw, '1.0', 'UTF-8');
// A first element
xmlwriter_start_element($xw, 'tag1');
diff --git a/ext/xmlwriter/examples/xmlwriter_mem.php b/ext/xmlwriter/examples/xmlwriter_mem.php
index 774b6e0021..8f8eef9fa0 100644
--- a/ext/xmlwriter/examples/xmlwriter_mem.php
+++ b/ext/xmlwriter/examples/xmlwriter_mem.php
@@ -5,7 +5,7 @@ $xw = xmlwriter_open_memory();
xmlwriter_set_indent($xw, 1);
$res = xmlwriter_set_indent_string($xw, ' ');
-xmlwriter_start_document($xw, '1.0', 'utf8');
+xmlwriter_start_document($xw, '1.0', 'UTF-8');
// A first element
xmlwriter_start_element($xw, 'tag1');
diff --git a/ext/xmlwriter/examples/xmlwriter_mem_ns.php b/ext/xmlwriter/examples/xmlwriter_mem_ns.php
index 681e86c0b1..e4d013194e 100644
--- a/ext/xmlwriter/examples/xmlwriter_mem_ns.php
+++ b/ext/xmlwriter/examples/xmlwriter_mem_ns.php
@@ -5,7 +5,7 @@ $xw = xmlwriter_open_memory();
xmlwriter_set_indent($xw, 1);
$res = xmlwriter_set_indent_string($xw, ' ');
-xmlwriter_start_document($xw, '1.0', 'utf8');
+xmlwriter_start_document($xw, '1.0', 'UTF-8');
// A first element
xmlwriter_start_element_ns($xw,'prefix', 'books', 'uri');
xmlwriter_start_attribute($xw, 'isbn');