← All changes | libraries/cmb2/includes/helper-functions.php +429 -0 5.7.8 → 6.0.3 View file →

		@@ -1,0 +1,429 @@
	1	+<?php
	2	+/**
	3	+ * CMB2 Helper Functions
	4	+ *
	5	+ * @category WordPress_Plugin
	6	+ * @package CMB2
	7	+ * @author CMB2 team
	8	+ * @license GPL-2.0+
	9	+ * @link https://cmb2.io
	10	+ */
	11	+
	12	+// Exit if accessed directly
	13	+if( !defined( 'ABSPATH' ) ) exit;
	14	+
	15	+/**
	16	+ * Helper function to provide directory path to CMB2
	17	+ *
	18	+ * @since 2.0.0
	19	+ * @param string $path Path to append.
	20	+ * @return string Directory with optional path appended
	21	+ */
	22	+function cmb2_dir( $path = '' ) {
	23	+ return CMB2_DIR . $path;
	24	+}
	25	+
	26	+/**
	27	+ * Autoloads files with CMB2 classes when needed
	28	+ *
	29	+ * @since 1.0.0
	30	+ * @param string $class_name Name of the class being requested.
	31	+ */
	32	+function cmb2_autoload_classes( $class_name ) {
	33	+ if ( 0 !== strpos( $class_name, 'CMB2' ) ) {
	34	+ return;
	35	+ }
	36	+
	37	+ $path = 'includes';
	38	+
	39	+ if ( 'CMB2_Type' === $class_name || 0 === strpos( $class_name, 'CMB2_Type_' ) ) {
	40	+ $path .= '/types';
	41	+ }
	42	+
	43	+ if ( 'CMB2_REST' === $class_name || 0 === strpos( $class_name, 'CMB2_REST_' ) ) {
	44	+ $path .= '/rest-api';
	45	+ }
	46	+
	47	+ include_once cmb2_dir( "$path/{$class_name}.php" );
	48	+}
	49	+
	50	+/**
	51	+ * Get instance of the CMB2_Utils class
	52	+ *
	53	+ * @since 2.0.0
	54	+ * @return CMB2_Utils object CMB2 utilities class
	55	+ */
	56	+function cmb2_utils() {
	57	+ static $cmb2_utils;
	58	+ $cmb2_utils = $cmb2_utils ? $cmb2_utils : new CMB2_Utils();
	59	+ return $cmb2_utils;
	60	+}
	61	+
	62	+/**
	63	+ * Get instance of the CMB2_Ajax class
	64	+ *
	65	+ * @since 2.0.0
	66	+ * @return CMB2_Ajax object CMB2 ajax class
	67	+ */
	68	+function cmb2_ajax() {
	69	+ return CMB2_Ajax::get_instance();
	70	+}
	71	+
	72	+/**
	73	+ * Get instance of the CMB2_Option class for the passed metabox ID
	74	+ *
	75	+ * @since 2.0.0
	76	+ *
	77	+ * @param string $key Option key to fetch.
	78	+ * @return CMB2_Option object Options class for setting/getting options for metabox
	79	+ */
	80	+function cmb2_options( $key ) {
	81	+ return CMB2_Options::get( $key );
	82	+}
	83	+
	84	+/**
	85	+ * Get a cmb oEmbed. Handles oEmbed getting for non-post objects
	86	+ *
	87	+ * @since 2.0.0
	88	+ * @param array $args Arguments. Accepts:
	89	+ *
	90	+ * 'url' - URL to retrieve the oEmbed from,
	91	+ * 'object_id' - $post_id,
	92	+ * 'object_type' - 'post',
	93	+ * 'oembed_args' - $embed_args, // array containing 'width', etc
	94	+ * 'field_id' - false,
	95	+ * 'cache_key' - false,
	96	+ * 'wp_error' - true/false, // To return a wp_error object if no embed found.
	97	+ *
	98	+ * @return string oEmbed string
	99	+ */
	100	+function cmb2_get_oembed( $args = array() ) {
	101	+ $oembed = cmb2_ajax()->get_oembed_no_edit( $args );
	102	+
	103	+ // Send back our embed.
	104	+ if ( $oembed['embed'] && $oembed['embed'] != $oembed['fallback'] ) {
	105	+ return '<div class="cmb2-oembed">' . $oembed['embed'] . '</div>';
	106	+ }
	107	+
	108	+ $error = sprintf(
	109	+ /* translators: 1: results for. 2: link to codex.wordpress.org/Embeds */
	110	+ esc_html__( 'No oEmbed Results Found for %1$s. View more info at %2$s.', 'cmb2' ),
	111	+ $oembed['fallback'],
	112	+ '<a href="https://wordpress.org/support/article/embeds/" target="_blank">codex.wordpress.org/Embeds</a>'
	113	+ );
	114	+
	115	+ if ( isset( $args['wp_error'] ) && $args['wp_error'] ) {
	116	+ return new WP_Error( 'cmb2_get_oembed_result', $error, compact( 'oembed', 'args' ) );
	117	+ }
	118	+
	119	+ // Otherwise, send back error info that no oEmbeds were found.
	120	+ return '<p class="ui-state-error-text">' . $error . '</p>';
	121	+}
	122	+
	123	+/**
	124	+ * Outputs the return of cmb2_get_oembed.
	125	+ *
	126	+ * @since 2.2.2
	127	+ * @see cmb2_get_oembed
	128	+ *
	129	+ * @param array $args oEmbed args.
	130	+ */
	131	+function cmb2_do_oembed( $args = array() ) {
	132	+ echo cmb2_get_oembed( $args );
	133	+}
	134	+add_action( 'cmb2_do_oembed', 'cmb2_do_oembed' );
	135	+
	136	+/**
	137	+ * A helper function to get an option from a CMB2 options array
	138	+ *
	139	+ * @since 1.0.1
	140	+ * @param string $option_key Option key.
	141	+ * @param string $field_id Option array field key.
	142	+ * @param mixed $default Optional default fallback value.
	143	+ * @return array Options array or specific field
	144	+ */
	145	+function cmb2_get_option( $option_key, $field_id = '', $default = false ) {
	146	+ return cmb2_options( $option_key )->get( $field_id, $default );
	147	+}
	148	+
	149	+/**
	150	+ * A helper function to update an option in a CMB2 options array
	151	+ *
	152	+ * @since 2.0.0
	153	+ * @param string $option_key Option key.
	154	+ * @param string $field_id Option array field key.
	155	+ * @param mixed $value Value to update data with.
	156	+ * @param boolean $single Whether data should not be an array.
	157	+ * @return boolean Success/Failure
	158	+ */
	159	+function cmb2_update_option( $option_key, $field_id, $value, $single = true ) {
	160	+ if ( cmb2_options( $option_key )->update( $field_id, $value, false, $single ) ) {
	161	+ return cmb2_options( $option_key )->set();
	162	+ }
	163	+
	164	+ return false;
	165	+}
	166	+
	167	+/**
	168	+ * Get a CMB2 field object.
	169	+ *
	170	+ * @since 1.1.0
	171	+ * @param array $meta_box Metabox ID or Metabox config array.
	172	+ * @param array $field_id Field ID or all field arguments.
	173	+ * @param int|string $object_id Object ID (string for options-page).
	174	+ * @param string $object_type Type of object being saved. (e.g., post, user, term, comment, or options-page).
	175	+ * Defaults to metabox object type.
	176	+ * @return CMB2_Field|null CMB2_Field object unless metabox config cannot be found
	177	+ */
	178	+function cmb2_get_field( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
	179	+
	180	+ $object_id = $object_id ? $object_id : get_the_ID();
	181	+ $cmb = $meta_box instanceof CMB2 ? $meta_box : cmb2_get_metabox( $meta_box, $object_id );
	182	+
	183	+ if ( ! $cmb ) {
	184	+ return;
	185	+ }
	186	+
	187	+ $cmb->object_type( $object_type ? $object_type : $cmb->mb_object_type() );
	188	+
	189	+ return $cmb->get_field( $field_id );
	190	+}
	191	+
	192	+/**
	193	+ * Get a field's value.
	194	+ *
	195	+ * @since 1.1.0
	196	+ * @param array $meta_box Metabox ID or Metabox config array.
	197	+ * @param array $field_id Field ID or all field arguments.
	198	+ * @param int|string $object_id Object ID (string for options-page).
	199	+ * @param string $object_type Type of object being saved. (e.g., post, user, term, comment, or options-page).
	200	+ * Defaults to metabox object type.
	201	+ * @return mixed Maybe escaped value
	202	+ */
	203	+function cmb2_get_field_value( $meta_box, $field_id, $object_id = 0, $object_type = '' ) {
	204	+ $field = cmb2_get_field( $meta_box, $field_id, $object_id, $object_type );
	205	+ return $field->escaped_value();
	206	+}
	207	+
	208	+/**
	209	+ * Because OOP can be scary
	210	+ *
	211	+ * @since 2.0.2
	212	+ * @param array $meta_box_config Metabox Config array.
	213	+ * @return CMB2 object Instantiated CMB2 object
	214	+ */
	215	+function new_cmb2_box( array $meta_box_config ) {
	216	+ return cmb2_get_metabox( $meta_box_config );
	217	+}
	218	+
	219	+/**
	220	+ * Retrieve a CMB2 instance by the metabox ID
	221	+ *
	222	+ * @since 2.0.0
	223	+ * @param mixed $meta_box Metabox ID or Metabox config array.
	224	+ * @param int|string $object_id Object ID (string for options-page).
	225	+ * @param string $object_type Type of object being saved.
	226	+ * (e.g., post, user, term, comment, or options-page).
	227	+ * Defaults to metabox object type.
	228	+ * @return CMB2 object
	229	+ */
	230	+function cmb2_get_metabox( $meta_box, $object_id = 0, $object_type = '' ) {
	231	+
	232	+ if ( $meta_box instanceof CMB2 ) {
	233	+ return $meta_box;
	234	+ }
	235	+
	236	+ if ( is_string( $meta_box ) ) {
	237	+ $cmb = CMB2_Boxes::get( $meta_box );
	238	+ } else {
	239	+ // See if we already have an instance of this metabox.
	240	+ $cmb = CMB2_Boxes::get( $meta_box['id'] );
	241	+ // If not, we'll initate a new metabox.
	242	+ $cmb = $cmb ? $cmb : new CMB2( $meta_box, $object_id );
	243	+ }
	244	+
	245	+ if ( $cmb && $object_id ) {
	246	+ $cmb->object_id( $object_id );
	247	+ }
	248	+
	249	+ if ( $cmb && $object_type ) {
	250	+ $cmb->object_type( $object_type );
	251	+ }
	252	+
	253	+ return $cmb;
	254	+}
	255	+
	256	+/**
	257	+ * Returns array of sanitized field values from a metabox (without saving them)
	258	+ *
	259	+ * @since 2.0.3
	260	+ * @param mixed $meta_box Metabox ID or Metabox config array.
	261	+ * @param array $data_to_sanitize Array of field_id => value data for sanitizing (likely $_POST data).
	262	+ * @return mixed Array of sanitized values or false if no CMB2 object found
	263	+ */
	264	+function cmb2_get_metabox_sanitized_values( $meta_box, array $data_to_sanitize ) {
	265	+ $cmb = cmb2_get_metabox( $meta_box );
	266	+ return $cmb ? $cmb->get_sanitized_values( $data_to_sanitize ) : false;
	267	+}
	268	+
	269	+/**
	270	+ * Retrieve a metabox form
	271	+ *
	272	+ * @since 2.0.0
	273	+ * @param mixed $meta_box Metabox config array or Metabox ID.
	274	+ * @param int|string $object_id Object ID (string for options-page).
	275	+ * @param array $args Optional arguments array.
	276	+ * @return string CMB2 html form markup
	277	+ */
	278	+function cmb2_get_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
	279	+
	280	+ $object_id = $object_id ? $object_id : get_the_ID();
	281	+ $cmb = cmb2_get_metabox( $meta_box, $object_id );
	282	+
	283	+ ob_start();
	284	+ // Get cmb form.
	285	+ cmb2_print_metabox_form( $cmb, $object_id, $args );
	286	+ $form = ob_get_clean();
	287	+
	288	+ return apply_filters( 'cmb2_get_metabox_form', $form, $object_id, $cmb );
	289	+}
	290	+
	291	+/**
	292	+ * Display a metabox form & save it on submission
	293	+ *
	294	+ * @since 1.0.0
	295	+ * @param mixed $meta_box Metabox config array or Metabox ID.
	296	+ * @param int|string $object_id Object ID (string for options-page).
	297	+ * @param array $args Optional arguments array.
	298	+ */
	299	+function cmb2_print_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
	300	+
	301	+ $object_id = $object_id ? $object_id : get_the_ID();
	302	+ $cmb = cmb2_get_metabox( $meta_box, $object_id );
	303	+
	304	+ // if passing a metabox ID, and that ID was not found.
	305	+ if ( ! $cmb ) {
	306	+ return;
	307	+ }
	308	+
	309	+ $args = wp_parse_args( $args, array(
	310	+ 'form_format' => '<form class="cmb-form" method="post" id="%1$s" enctype="multipart/form-data" encoding="multipart/form-data"><input type="hidden" name="object_id" value="%2$s">%3$s<input type="submit" name="submit-cmb" value="%4$s" class="button-primary"></form>',
	311	+ 'save_button' => esc_html__( 'Save', 'cmb2' ),
	312	+ 'object_type' => $cmb->mb_object_type(),
	313	+ 'cmb_styles' => $cmb->prop( 'cmb_styles' ),
	314	+ 'enqueue_js' => $cmb->prop( 'enqueue_js' ),
	315	+ ) );
	316	+
	317	+ // Set object type explicitly (rather than trying to guess from context).
	318	+ $cmb->object_type( $args['object_type'] );
	319	+
	320	+ // Save the metabox if it's been submitted
	321	+ // check permissions
	322	+ // @todo more hardening?
	323	+ if (
	324	+ $cmb->prop( 'save_fields' )
	325	+ // check nonce.
	326	+ && isset( $_POST['submit-cmb'], $_POST['object_id'], $_POST[ $cmb->nonce() ] )
	327	+ && wp_verify_nonce( $_POST[ $cmb->nonce() ], $cmb->nonce() )
	328	+ && $object_id && $_POST['object_id'] == $object_id
	329	+ ) {
	330	+ $cmb->save_fields( $object_id, $cmb->object_type(), $_POST );
	331	+ }
	332	+
	333	+ // Enqueue JS/CSS.
	334	+ if ( $args['cmb_styles'] ) {
	335	+ CMB2_Hookup::enqueue_cmb_css();
	336	+ }
	337	+
	338	+ if ( $args['enqueue_js'] ) {
	339	+ CMB2_Hookup::enqueue_cmb_js();
	340	+ }
	341	+
	342	+ $form_format = apply_filters( 'cmb2_get_metabox_form_format', $args['form_format'], $object_id, $cmb );
	343	+
	344	+ $format_parts = explode( '%3$s', $form_format );
	345	+
	346	+ // Show cmb form.
	347	+ printf( $format_parts[0], esc_attr( $cmb->cmb_id ), esc_attr( $object_id ) );
	348	+ $cmb->show_form();
	349	+
	350	+ if ( isset( $format_parts[1] ) && $format_parts[1] ) {
	351	+ printf( str_ireplace( '%4$s', '%1$s', $format_parts[1] ), esc_attr( $args['save_button'] ) );
	352	+ }
	353	+}
	354	+
	355	+/**
	356	+ * Display a metabox form (or optionally return it) & save it on submission.
	357	+ *
	358	+ * @since 1.0.0
	359	+ * @param mixed $meta_box Metabox config array or Metabox ID.
	360	+ * @param int|string $object_id Object ID (string for options-page).
	361	+ * @param array $args Optional arguments array.
	362	+ * @return string
	363	+ */
	364	+function cmb2_metabox_form( $meta_box, $object_id = 0, $args = array() ) {
	365	+ if ( ! isset( $args['echo'] ) || $args['echo'] ) {
	366	+ cmb2_print_metabox_form( $meta_box, $object_id, $args );
	367	+ } else {
	368	+ return cmb2_get_metabox_form( $meta_box, $object_id, $args );
	369	+ }
	370	+}
	371	+
	372	+if ( ! function_exists( 'date_create_from_format' ) ) {
	373	+
	374	+ /**
	375	+ * Reimplementation of DateTime::createFromFormat for PHP < 5.3. :(
	376	+ * Borrowed from http://stackoverflow.com/questions/5399075/php-datetimecreatefromformat-in-5-2
	377	+ *
	378	+ * @param string $date_format Date format.
	379	+ * @param string $date_value Date value.
	380	+ *
	381	+ * @return DateTime
	382	+ */
	383	+ function date_create_from_format( $date_format, $date_value ) {
	384	+
	385	+ $schedule_format = str_replace(
	386	+ array( 'M', 'Y', 'm', 'd', 'H', 'i', 'a' ),
	387	+ array( '%b', '%Y', '%m', '%d', '%H', '%M', '%p' ),
	388	+ $date_format
	389	+ );
	390	+
	391	+ /*
	392	+ * %Y, %m and %d correspond to date()'s Y m and d.
	393	+ * %I corresponds to H, %M to i and %p to a
	394	+ */
	395	+ $parsed_time = date_parse_from_format( $schedule_format, $date_value );
	396	+
	397	+ $ymd = sprintf(
	398	+ /**
	399	+ * This is a format string that takes six total decimal
	400	+ * arguments, then left-pads them with zeros to either
	401	+ * 4 or 2 characters, as needed
	402	+ */
	403	+ '%04d-%02d-%02d %02d:%02d:%02d',
	404	+ $parsed_time['tm_year'] + 1900, // This will be "111", so we need to add 1900.
	405	+ $parsed_time['tm_mon'] + 1, // This will be the month minus one, so we add one.
	406	+ $parsed_time['tm_mday'],
	407	+ $parsed_time['tm_hour'],
	408	+ $parsed_time['tm_min'],
	409	+ $parsed_time['tm_sec']
	410	+ );
	411	+
	412	+ return new DateTime( $ymd );
	413	+ }
	414	+}// End if.
	415	+
	416	+if ( ! function_exists( 'date_timestamp_get' ) ) {
	417	+
	418	+ /**
	419	+ * Returns the Unix timestamp representing the date.
	420	+ * Reimplementation of DateTime::getTimestamp for PHP < 5.3. :(
	421	+ *
	422	+ * @param DateTime $date DateTime instance.
	423	+ *
	424	+ * @return int
	425	+ */
	426	+ function date_timestamp_get( DateTime $date ) {
	427	+ return $date->format( 'U' );
	428	+ }
	429	+}// End if.