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 ) {
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 );
}
// 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 ) {
$r = array();
foreach ( $keys as $key )
if ( array_key_exists( $key, $array ) )
$r[$key] = $array[$key];
return $r;
}
// Extract a certain value from a list of arrays
static function array_pluck( $array, $key ) {
$r = array();
foreach ( $array as $value ) {
if ( is_object( $value ) )
$value = get_object_vars( $value );
if ( array_key_exists( $key, $value ) )
$r[] = $value[$key];
}
return $r;
}
// Transform a list of objects into an associative array
static function objects_to_assoc( $objects, $key, $value ) {
$r = array();
foreach ( $objects as $obj )
$r[$obj->$key] = $obj->$value;
return $r;
}
// 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 );
}
}
//_____Minimalist HTML framework_____
if ( ! function_exists( 'html' ) ):
function html( $tag, $attributes = array(), $content = '' ) {
if ( is_array( $attributes ) ) {
$closing = $tag;
foreach ( $attributes as $key => $value ) {
$tag .= ' ' . $key . '="' . esc_attr( $value ) . '"';
}
} else {
$content = $attributes;
list( $closing ) = explode(' ', $tag, 2);
}
return "<{$tag}>{$content}{$closing}>";
}
endif;
// Generate an tag
if ( ! function_exists( 'html_link' ) ):
function html_link( $url, $title = '' ) {
if ( empty( $title ) )
$title = $url;
return sprintf( "%s", esc_url( $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;