+/**
+ * Generic Iframe footer for use with Thickbox
+ *
+ * @since 2.7.0
+ */
+function iframe_footer() {
+ /*
+ * We're going to hide any footer output on iFrame pages,
+ * but run the hooks anyway since they output JavaScript
+ * or other needed content.
+ */
+
+ /**
+ * @global string $hook_suffix
+ */
+ global $hook_suffix;
+ ?>
+ <div class="hidden">
+<?php
+ /** This action is documented in wp-admin/admin-footer.php */
+ do_action( 'admin_footer', $hook_suffix );
+
+ /** This action is documented in wp-admin/admin-footer.php */
+ do_action( "admin_print_footer_scripts-$hook_suffix" );
+
+ /** This action is documented in wp-admin/admin-footer.php */
+ do_action( 'admin_print_footer_scripts' );
+?>
+ </div>
+<script type="text/javascript">if(typeof wpOnload=="function")wpOnload();</script>
+</body>
+</html>
+<?php
+}
+
+/**
+ *
+ * @param WP_Post $post
+ */
+function _post_states($post) {
+ $post_states = array();
+ if ( isset( $_REQUEST['post_status'] ) )
+ $post_status = $_REQUEST['post_status'];
+ else
+ $post_status = '';
+
+ if ( !empty($post->post_password) )
+ $post_states['protected'] = __('Password protected');
+ if ( 'private' == $post->post_status && 'private' != $post_status )
+ $post_states['private'] = __('Private');
+ if ( 'draft' == $post->post_status && 'draft' != $post_status )
+ $post_states['draft'] = __('Draft');
+ if ( 'pending' == $post->post_status && 'pending' != $post_status )
+ $post_states['pending'] = _x('Pending', 'post status');
+ if ( is_sticky($post->ID) )
+ $post_states['sticky'] = __('Sticky');
+
+ if ( 'future' === $post->post_status ) {
+ $post_states['scheduled'] = __( 'Scheduled' );
+ }
+
+ if ( 'page' === get_option( 'show_on_front' ) ) {
+ if ( intval( get_option( 'page_on_front' ) ) === $post->ID ) {
+ $post_states['page_on_front'] = __( 'Front Page' );
+ }
+
+ if ( intval( get_option( 'page_for_posts' ) ) === $post->ID ) {
+ $post_states['page_for_posts'] = __( 'Posts Page' );
+ }
+ }
+
+ /**
+ * Filters the default post display states used in the posts list table.
+ *
+ * @since 2.8.0
+ *
+ * @param array $post_states An array of post display states.
+ * @param WP_Post $post The current post object.
+ */
+ $post_states = apply_filters( 'display_post_states', $post_states, $post );
+
+ if ( ! empty($post_states) ) {
+ $state_count = count($post_states);
+ $i = 0;
+ echo ' — ';
+ foreach ( $post_states as $state ) {
+ ++$i;
+ ( $i == $state_count ) ? $sep = '' : $sep = ', ';
+ echo "<span class='post-state'>$state$sep</span>";
+ }
+ }
+
+}
+
+/**
+ *
+ * @param WP_Post $post
+ */
+function _media_states( $post ) {
+ $media_states = array();
+ $stylesheet = get_option('stylesheet');
+
+ if ( current_theme_supports( 'custom-header') ) {
+ $meta_header = get_post_meta($post->ID, '_wp_attachment_is_custom_header', true );
+
+ if ( is_random_header_image() ) {
+ $header_images = wp_list_pluck( get_uploaded_header_images(), 'attachment_id' );
+
+ if ( $meta_header == $stylesheet && in_array( $post->ID, $header_images ) ) {
+ $media_states[] = __( 'Header Image' );
+ }
+ } else {
+ $header_image = get_header_image();
+
+ // Display "Header Image" if the image was ever used as a header image
+ if ( ! empty( $meta_header ) && $meta_header == $stylesheet && $header_image !== wp_get_attachment_url( $post->ID ) ) {
+ $media_states[] = __( 'Header Image' );
+ }
+
+ // Display "Current Header Image" if the image is currently the header image
+ if ( $header_image && $header_image == wp_get_attachment_url( $post->ID ) ) {
+ $media_states[] = __( 'Current Header Image' );
+ }
+ }
+ }
+
+ if ( current_theme_supports( 'custom-background') ) {
+ $meta_background = get_post_meta($post->ID, '_wp_attachment_is_custom_background', true );
+
+ if ( ! empty( $meta_background ) && $meta_background == $stylesheet ) {
+ $media_states[] = __( 'Background Image' );
+
+ $background_image = get_background_image();
+ if ( $background_image && $background_image == wp_get_attachment_url( $post->ID ) ) {
+ $media_states[] = __( 'Current Background Image' );
+ }
+ }
+ }
+
+ if ( $post->ID == get_option( 'site_icon' ) ) {
+ $media_states[] = __( 'Site Icon' );
+ }
+
+ if ( $post->ID == get_theme_mod( 'site_logo' ) ) {
+ $media_states[] = __( 'Logo' );
+ }
+
+ /**
+ * Filters the default media display states for items in the Media list table.
+ *
+ * @since 3.2.0
+ *
+ * @param array $media_states An array of media states. Default 'Header Image',
+ * 'Background Image', 'Site Icon', 'Logo'.
+ */
+ $media_states = apply_filters( 'display_media_states', $media_states );
+
+ if ( ! empty( $media_states ) ) {
+ $state_count = count( $media_states );
+ $i = 0;
+ echo ' — ';
+ foreach ( $media_states as $state ) {
+ ++$i;
+ ( $i == $state_count ) ? $sep = '' : $sep = ', ';
+ echo "<span class='post-state'>$state$sep</span>";
+ }
+ }
+}
+
+/**
+ * Test support for compressing JavaScript from PHP
+ *
+ * Outputs JavaScript that tests if compression from PHP works as expected
+ * and sets an option with the result. Has no effect when the current user
+ * is not an administrator. To run the test again the option 'can_compress_scripts'
+ * has to be deleted.
+ *
+ * @since 2.8.0
+ */
+function compression_test() {
+?>
+ <script type="text/javascript">
+ var compressionNonce = <?php echo wp_json_encode( wp_create_nonce( 'update_can_compress_scripts' ) ); ?>;
+ var testCompression = {
+ get : function(test) {
+ var x;
+ if ( window.XMLHttpRequest ) {
+ x = new XMLHttpRequest();
+ } else {
+ try{x=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{x=new ActiveXObject('Microsoft.XMLHTTP');}catch(e){};}
+ }
+
+ if (x) {
+ x.onreadystatechange = function() {
+ var r, h;
+ if ( x.readyState == 4 ) {
+ r = x.responseText.substr(0, 18);
+ h = x.getResponseHeader('Content-Encoding');
+ testCompression.check(r, h, test);
+ }
+ };
+
+ x.open('GET', ajaxurl + '?action=wp-compression-test&test='+test+'&_ajax_nonce='+compressionNonce+'&'+(new Date()).getTime(), true);
+ x.send('');
+ }
+ },
+
+ check : function(r, h, test) {
+ if ( ! r && ! test )
+ this.get(1);
+
+ if ( 1 == test ) {
+ if ( h && ( h.match(/deflate/i) || h.match(/gzip/i) ) )
+ this.get('no');
+ else
+ this.get(2);
+
+ return;
+ }
+
+ if ( 2 == test ) {
+ if ( '"wpCompressionTest' == r )
+ this.get('yes');
+ else
+ this.get('no');
+ }
+ }
+ };
+ testCompression.check();
+ </script>
+<?php
+}
+
+/**
+ * Echoes a submit button, with provided text and appropriate class(es).
+ *
+ * @since 3.1.0
+ *
+ * @see get_submit_button()
+ *
+ * @param string $text The text of the button (defaults to 'Save Changes')
+ * @param string $type Optional. The type and CSS class(es) of the button. Core values
+ * include 'primary', 'secondary', 'delete'. Default 'primary'
+ * @param string $name The HTML name of the submit button. Defaults to "submit". If no
+ * id attribute is given in $other_attributes below, $name will be
+ * used as the button's id.
+ * @param bool $wrap True if the output button should be wrapped in a paragraph tag,
+ * false otherwise. Defaults to true
+ * @param array|string $other_attributes Other attributes that should be output with the button, mapping
+ * attributes to their values, such as setting tabindex to 1, etc.
+ * These key/value attribute pairs will be output as attribute="value",
+ * where attribute is the key. Other attributes can also be provided
+ * as a string such as 'tabindex="1"', though the array format is
+ * preferred. Default null.
+ */
+function submit_button( $text = null, $type = 'primary', $name = 'submit', $wrap = true, $other_attributes = null ) {
+ echo get_submit_button( $text, $type, $name, $wrap, $other_attributes );
+}
+
+/**
+ * Returns a submit button, with provided text and appropriate class
+ *
+ * @since 3.1.0
+ *
+ * @param string $text Optional. The text of the button. Default 'Save Changes'.
+ * @param string $type Optional. The type of button. Accepts 'primary', 'secondary',
+ * or 'delete'. Default 'primary large'.
+ * @param string $name Optional. The HTML name of the submit button. Defaults to "submit".
+ * If no id attribute is given in $other_attributes below, `$name` will
+ * be used as the button's id. Default 'submit'.
+ * @param bool $wrap Optional. True if the output button should be wrapped in a paragraph
+ * tag, false otherwise. Default true.
+ * @param array|string $other_attributes Optional. Other attributes that should be output with the button,
+ * mapping attributes to their values, such as `array( 'tabindex' => '1' )`.
+ * These attributes will be output as `attribute="value"`, such as
+ * `tabindex="1"`. Other attributes can also be provided as a string such
+ * as `tabindex="1"`, though the array format is typically cleaner.
+ * Default empty.
+ * @return string Submit button HTML.
+ */
+function get_submit_button( $text = '', $type = 'primary large', $name = 'submit', $wrap = true, $other_attributes = '' ) {
+ if ( ! is_array( $type ) )
+ $type = explode( ' ', $type );
+
+ $button_shorthand = array( 'primary', 'small', 'large' );
+ $classes = array( 'button' );
+ foreach ( $type as $t ) {
+ if ( 'secondary' === $t || 'button-secondary' === $t )
+ continue;
+ $classes[] = in_array( $t, $button_shorthand ) ? 'button-' . $t : $t;
+ }
+ // Remove empty items, remove duplicate items, and finally build a string.
+ $class = implode( ' ', array_unique( array_filter( $classes ) ) );
+
+ $text = $text ? $text : __( 'Save Changes' );
+
+ // Default the id attribute to $name unless an id was specifically provided in $other_attributes
+ $id = $name;
+ if ( is_array( $other_attributes ) && isset( $other_attributes['id'] ) ) {
+ $id = $other_attributes['id'];
+ unset( $other_attributes['id'] );
+ }
+
+ $attributes = '';
+ if ( is_array( $other_attributes ) ) {
+ foreach ( $other_attributes as $attribute => $value ) {
+ $attributes .= $attribute . '="' . esc_attr( $value ) . '" '; // Trailing space is important
+ }
+ } elseif ( ! empty( $other_attributes ) ) { // Attributes provided as a string
+ $attributes = $other_attributes;
+ }
+
+ // Don't output empty name and id attributes.
+ $name_attr = $name ? ' name="' . esc_attr( $name ) . '"' : '';
+ $id_attr = $id ? ' id="' . esc_attr( $id ) . '"' : '';
+
+ $button = '<input type="submit"' . $name_attr . $id_attr . ' class="' . esc_attr( $class );
+ $button .= '" value="' . esc_attr( $text ) . '" ' . $attributes . ' />';
+
+ if ( $wrap ) {
+ $button = '<p class="submit">' . $button . '</p>';
+ }
+
+ return $button;