WordPress のFilesystemとかAjaxとか | WordPressのカスタマイズ

<?php
	public function sbzfb_page_output() {
?>
		<div class="wrap">
			<h2>Sanbanze funabashi Theme</h2>
			<h3>&laquo; Option setting &raquo; </h3>
			<form method="post" action="options.php">
<?php
			settings_fields( 'sbzfb-settings-group' );
			do_settings_sections( 'sbzfb-settings-group' );
?>
			<table class="form-table" style="color:blue;border:dotted 1px blue;">
				<tr valign="top">
					<td>authors_ip</td>
					<td><input type="text" name="sanbanze_fb_options[authors_ip]" value="<?php echo esc_attr( $this->ret_option['authors_ip'] ); ?>" maxlength="15"></td>
					<td>* <?php _e( 'Input of the authors\'s ip address. Empty is disable to save access log.Now your ip is →', $this->domain ); ?><?php echo $ipadrs; ?></td>
				</tr>
				...
				...途中省略
				...
			<tr><td colspan="3" style="color:green;">***** Sidebar settings *****</td></tr>
<?php
				$j = 1;
				foreach( $optkey as $key=>$val ) {
					if ( $key >= 23 and $key <= 30 ) {
						echo '<tr valign="top">';
						echo '<td>' . $val . '</td><td><select name="sanbanze_fb_options[' . $val . ']">';
						$selected = array( '', '', '', '', '', '', '', '', '' );
						$selectvalue = intval( $optval[ $key ] );
						if ( $selectvalue >= 0 and $selectvalue <= 8 ) {
							$selected[ $selectvalue ] = ' selected';
						} else {
							$selected[ $j ] = ' selected';
						}
						++$j;
						for( $i = 0; $i <= 8; ++$i ) {
							$labelstr = ( 0 === $i ? __( 'disable', $this->domain ) : strval( $i ) );
							echo '<option value="' . $i . '"' . $selected[ $i ] . '>' . $labelstr . '</option>';
						}
						echo '</select></td><td>* ' . __( $exp[ $key ], $this->domain ) . "</td></tr>\n";
						if ( 'show_daycalendar' === $val and '0' !== $optval[ $key ] ) {
							echo '<tr><td></td><td><span id="makefacelist" style="display:block;padding:3px;text-align:center;border:solid 1px grey;border-radius:5px;">click make face-image list file</span></td><td></td></tr>';
						}
					}
				}
?>
			<tr><td colspan="3" style="color:green;">***** ***** ***** ***** ***** *****</td></tr>
				...
				...
				...
			</table>
			<?php submit_button(); ?>
			</form>
		</div>
		<script type="text/javascript">
			jQuery( function() {
				jQuery( '#makefacelist' ).click( function() {
					jQuery( this ).text( 'now making!' );
					var facelistmakeurl = '<?php echo get_template_directory_uri(); ?>/todaycal/face_list_make.php';
					var strsends = '<?php echo $this->mytoken; ?>';
					jQuery.post( facelistmakeurl,
						{ sbztarget:strsends },// ワンタイムチケット
						function( data, status ) {
							jQuery( '#makefacelist' ).text( data );
						}
					);
				});
			});
		</script>
<?php
	}
?>

<?php
	session_start();
	$pstoken = '---';
	$sstoken = '***';
	if ( isset( $_POST['sbztarget'] ) ) {
		$pstoken = $_POST['sbztarget'];
	}
	if ( isset( $_SESSION['sbztoken'] ) ) {
		$sstoken = $_SESSION['sbztoken'];
	}

	if ( $pstoken === $sstoken ) {
		$tmpstr = '';
		$tmpary = array();
		$xmlfile='./face_list.php';

		$dirname='./face/';

		if ( file_exists( $dirname ) ) {
			$filearrayasc = scandir( $dirname );
	
			foreach ( $filearrayasc as $val ) {
				if ( '.' !== $val and '..' !== $val ) {
					$tmpary[] = $val;
					$tmpstr .= str_replace( '.jpg', '', $val ) . ',';
				}
			}
	
			$result = file_put_contents( $xmlfile, trim( $tmpstr, ',' ), LOCK_EX );
			if ( $result ) {
				echo 'Success! ' . count( $tmpary ) . ' files in list';
			} else {
				echo 'Something Error!';
			}
		} else {
			echo 'directry not exist!';
		}
	} else {
		echo 'no admit!';
	}
?>

<?php
	public function set_session() {
		session_start();
		$this->mytoken = md5( uniqid( mt_rand(), TRUE ) );
		$_SESSION['sbztoken'] = $this->mytoken;
	}
?>

<script type="text/javascript">
	jQuery( function() {
		jQuery( '#makefacelist' ).click( function() {
			jQuery( this ).text( 'now making!' );
			jQuery.post( ajaxurl,// wp/wp-admin/admin-ajax.php
				{ 'action' : 'face_list_make', },
				function( data, status ) {
					jQuery( '#makefacelist' ).text( data );
				}
			);
		});
	});
</script>

jQuery.ajax({
	type: 'POST',
	url: ajaxurl,
	data: {
		'action' : 'face_list_make',
	}
}).done( function( msg ) {
		jQuery( '#makefacelist' ).text( 'ajax-done : ' + msg );
});

<?php
	function face_list_make() {
		$tmpstr = '';
		$tmpary = array();

		$temppass = get_template_directory() . '/';
		$xmlfile = $temppass . 'todaycal/face_list.php';
	
		$dirname = $temppass . 'todaycal/face/';
	
		// WP_filesystem : codexまんま使用
		$access_type = get_filesystem_method();
		if ( $access_type === 'direct' ) {
			/* request_filesystem_credentials() を安全に実行することができますので、URLを渡しても問題ありません */
			$creds = request_filesystem_credentials( site_url() . '/wp-admin/', '', false, false, array() );
	
			/* API の初期化 */
			if ( ! WP_Filesystem( $creds ) ) {
				/* 問題が発生すれば処理を抜ける */
				return false;
			}
	
			global $wp_filesystem;
			/* ファイルの操作を以下に実行する */
	
			if ( $wp_filesystem->exists( $dirname ) ) {
				$filearrayasc = scandir( $dirname );
				foreach ( $filearrayasc as $val ) {
					if ( '.' !== $val and '..' !== $val ) {
						$tmpary[] = $val;
						$tmpstr .= str_replace( '.jpg', '', $val ) . ',';
					}
				}
	
					$result = $wp_filesystem->put_contents( $xmlfile, trim( $tmpstr, ',' ), FS_CHMOD_FILE);
					if ( $result ) {
						echo 'Success! ' . count( $tmpary ) . ' file-info in list';
					} else {
						echo 'Something Error!';
					}
			} else {
				echo 'directry : ' . $dirname . ' No not exist!';
			}
		} else {
			/* 直接書き込み権限がない場合は、ユーザーに通知を表示する */
			add_action('admin_notice', 'error_notice_function');
		}
	
		die();
	}
	
	add_action( 'wp_ajax_face_list_make', 'face_list_make' );
	add_action( 'wp_ajax_nopriv_face_list_make', 'face_list_make' );
?>