'; echo " From to And back \n"; foreach ( range( 001, 07777 ) as $v ) { $human_readable = $Loopback_WP_Filesystem_Base->gethchmod( $v ); // Returns a octal number as a string, ie. '666' instead of 0666 $converted_back_to_octal = $Loopback_WP_Filesystem_Base->getnumchmodfromh( $human_readable ); // Convert to string to compare since they're different datatypes if ( sprintf( "%'08o", $v) == sprintf( "%'08s", $converted_back_to_octal ) ) echo ''; else echo ''; printf( "%'08o %s %'08s", $v, $human_readable, $converted_back_to_octal ); echo '
'; } echo '';