Parse error: syntax error, unexpected T_DOUBLE_ARROW ...... in line 10

<?php $comment_args = array(
			'fields' => apply_filters( 'comment_form_default_fields', array(
				'author' => '<p class="comment-form-author">' . ( $req ? '<span class="required">*</span>' : '' ) .
                            '<input id="author" name="author" type="text" value="' . esc_attr( $commenter['comment_author'] ) . '" size="30"' . $aria_req . ' /></p>',
                'email'  => '<p class="comment-form-email"><label for="email">' . __( 'Email' ) . '</label> ' . ( $req ? '<span class="required">*</span>' : '' ) .
                            '<input id="email" name="email" type="text" value="' . esc_attr(  $commenter['comment_author_email'] ) . '" size="30"' . $aria_req . ' /></p>',
                'url'    => '<p class="comment-form-url"><label for="url">' . __( 'Website' ) . '</label>' .
                            '<input id="url" name="url" type="text" value="' . esc_attr( $commenter['comment_author_url'] ) . '" size="30" /></p>'
        ),
	'logged_in_as'        		 => '<p class="logged-in-as">' . sprintf( __( 'أنت مسجل باسم  <a href="%1$s">%2$s</a>. <a href="%3$s" title="">خروج</a>' ), admin_url( 'profile.php' ), $user_identity, wp_logout_url( apply_filters( 'the_permalink', get_permalink() ) ) ) . '</p>',
	'comment_notes_after'	 => '',
	'comment_field'      		 => '<p class="comment-form-comment"><label for="comment">'. '</label><textarea id="comment" name="comment"  aria-required="true"></textarea></p>'

);
?>

'logged_in_as'        		 => '<p class="logged-in-as">' . sprintf( __( 'أنت مسجل باسم  <a href="%1$s">%2$s</a>. <a href="%3$s" title="">خروج</a>' ), admin_url( 'profile.php' ), $user_identity, wp_logout_url( apply_filters( 'the_permalink', get_permalink() ) ) ) . '</p>',