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Server: Apache/2.4.6 () PHP/7.4.33
System: Linux chile-dev-app-1 5.4.17-2136.315.5.el7uek.x86_64 #2 SMP Wed Dec 21 19:57:57 PST 2022 x86_64
User: apache (48)
PHP: 7.4.33
Disabled: NONE
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File: /var/www/html/wp-content/plugins/theme-editor/includes/forms/ms_child_style.php
<?php if ( !defined( 'ABSPATH' ) ) exit;
$ctd = $this->ms_theme_directory( 'child' );
$ctpd = $this->ms_theme_directory( 'parnt' );
$child_style_dir = get_theme_root().'/'.$ctd.'/style.css'; 
$myfile = fopen($child_style_dir, "r");
$myfile_data =fread($myfile,filesize($child_style_dir));
?>
<div class="ms_childStyleWrap">
	<div class="childStyleEditor">
		<textarea id="ms_child_style" name="ms_child_style" class="ms_child_style" wrap="off" readonly><?php echo $myfile_data; fclose($myfile);?></textarea>
	</div>
</div>