Defined (1)

The function is defined in the following location(s).

/wp-includes/functions.php  

function wp_mkdir_p( $target ) { 
    $wrapper = null; 
 
    // Strip the protocol. 
    if ( wp_is_stream( $target ) ) { 
        list( $wrapper, $target ) = explode( '://', $target, 2 ); 
    } 
 
    // From php.net/mkdir user contributed notes. 
    $target = str_replace( '//', '/', $target ); 
 
    // Put the wrapper back on the target. 
    if ( $wrapper !== null ) { 
        $target = $wrapper . '://' . $target; 
    } 
 
    /** 
     * Safe mode fails with a trailing slash under certain PHP versions. 
     * Use rtrim() instead of untrailingslashit to avoid formatting.php dependency. 
     */ 
    $target = rtrim($target, '/'); 
    if ( empty($target) ) 
        $target = '/'; 
 
    if ( file_exists( $target ) ) 
        return @is_dir( $target ); 
 
    // We need to find the permissions of the parent folder that exists and inherit that. 
    $target_parent = dirname( $target ); 
    while ( '.' != $target_parent && ! is_dir( $target_parent ) ) { 
        $target_parent = dirname( $target_parent ); 
    } 
 
    // Get the permission bits. 
    if ( $stat = @stat( $target_parent ) ) { 
        $dir_perms = $stat['mode'] & 0007777; 
    } else { 
        $dir_perms = 0777; 
    } 
 
    if ( @mkdir( $target, $dir_perms, true ) ) { 
 
        /** 
         * If a umask is set that modifies $dir_perms, we'll have to re-set 
         * the $dir_perms correctly with chmod() 
         */ 
        if ( $dir_perms != ( $dir_perms & ~umask() ) ) { 
            $folder_parts = explode( '/', substr( $target, strlen( $target_parent ) + 1 ) ); 
            for ( $i = 1, $c = count( $folder_parts ); $i <= $c; $i++ ) { 
                @chmod( $target_parent . '/' . implode( '/', array_slice( $folder_parts, 0, $i ) ), $dir_perms ); 
            } 
        } 
 
        return true; 
    } 
 
    return false; 
}