do_items( ( array ) $handles );
}
// Force style enqueue
static function do_styles( $handles ) {
self::do_scripts( 'jquery' );
global $wp_styles;
if ( ! is_a( $wp_styles, 'WP_Styles' ) )
$wp_styles = new WP_Styles();
ob_start();
$wp_styles->do_items( ( array ) $handles );
$content = str_replace( array( "'", "\n" ), array( '"', '' ), ob_get_clean() );
echo "";
}
// Enable delayed activation ( to be used with scb_init() )
static function add_activation_hook( $plugin, $callback ) {
if ( defined( 'SCB_LOAD_MU' ) )
register_activation_hook( $plugin, $callback );
else
add_action( 'scb_activation_' . plugin_basename( $plugin ), $callback );
}
// Have more than one uninstall hooks; also prevents an UPDATE query on each page load
static function add_uninstall_hook( $plugin, $callback ) {
register_uninstall_hook( $plugin, '__return_false' ); // dummy
add_action( 'uninstall_' . plugin_basename( $plugin ), $callback );
}
// Get the current, full URL
static function get_current_url() {
return ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
// Apply a function to each element of a ( nested ) array recursively
static function array_map_recursive( $callback, $array ) {
array_walk_recursive( $array, array( __CLASS__, 'array_map_recursive_helper' ), $callback );
return $array;
}
static function array_map_recursive_helper( &$val, $key, $callback ) {
$val = call_user_func( $callback, $val );
}
// Extract certain $keys from $array
static function array_extract( $array, $keys ) {
_deprecated_function( __CLASS__ . '::' . __FUNCTION__, 'WP 3.1', 'wp_array_slice_assoc()' );
return wp_array_slice_assoc( $array, $keys );
}
// Extract a certain value from a list of arrays
static function array_pluck( $array, $key ) {
_deprecated_function( __CLASS__ . '::' . __FUNCTION__, 'WP 3.1', 'wp_list_pluck()' );
return wp_list_pluck( $array, $key );
}
// Transform a list of objects into an associative array
static function objects_to_assoc( $objects, $key, $value ) {
_deprecated_function( __CLASS__ . '::' . __FUNCTION__, 'r41', 'scb_list_fold()' );
return scb_list_fold( $objects, $key, $value );
}
// Prepare an array for an IN statement
static function array_to_sql( $values ) {
foreach ( $values as &$val )
$val = "'" . esc_sql( trim( $val ) ) . "'";
return implode( ',', $values );
}
// Example: split_at( '' ) => array( '', '' )
static function split_at( $delim, $str ) {
$i = strpos( $str, $delim );
if ( false === $i )
return false;
$start = substr( $str, 0, $i );
$finish = substr( $str, $i );
return array( $start, $finish );
}
}
// Transform a list of objects into an associative array
function scb_list_fold( $list, $key, $value ) {
$r = array();
if ( is_array( reset( $list ) ) ) {
foreach ( $list as $item )
$r[ $item[ $key ] ] = $item[ $value ];
} else {
foreach ( $list as $item )
$r[ $item->$key ] = $item->$value;
}
return $r;
}
//_____Minimalist HTML framework_____
/*
* Examples:
*
* html( 'p', 'Hello world!' ); Hello world!
* html( 'a', array( 'href' => 'http://example.com' ), 'A link' ); A link
* html( 'img', array( 'src' => 'http://example.com/f.jpg' ) ); 
* html( 'ul', html( 'li', 'a' ), html( 'li', 'b' ) );
*/
if ( ! function_exists( 'html' ) ):
function html( $tag ) {
$args = func_get_args();
$tag = array_shift( $args );
if ( is_array( $args[0] ) ) {
$closing = $tag;
$attributes = array_shift( $args );
foreach ( $attributes as $key => $value ) {
if ( false === $value )
continue;
if ( true === $value )
$value = $key;
$tag .= ' ' . $key . '="' . esc_attr( $value ) . '"';
}
} else {
list( $closing ) = explode( ' ', $tag, 2 );
}
if ( in_array( $closing, array( 'area', 'base', 'basefont', 'br', 'hr', 'input', 'img', 'link', 'meta' ) ) ) {
return "<{$tag} />";
}
$content = implode( '', $args );
return "<{$tag}>{$content}";
}
endif;
// Generate an tag
if ( ! function_exists( 'html_link' ) ):
function html_link( $url, $title = '' ) {
if ( empty( $title ) )
$title = $url;
return html( 'a', array( 'href' => $url ), $title );
}
endif;
//_____Compatibility layer_____
// WP < ?
if ( ! function_exists( 'set_post_field' ) ) :
function set_post_field( $field, $value, $post_id ) {
global $wpdb;
$post_id = absint( $post_id );
$value = sanitize_post_field( $field, $value, $post_id, 'db' );
return $wpdb->update( $wpdb->posts, array( $field => $value ), array( 'ID' => $post_id ) );
}
endif;