function() {
    let ch;
    while (this.offset < this.size) {
      ch = this.input();
      if (ch !== "0" && ch !== "1") {
        if (ch) this.unput(1);
        break;
      }
    }
    return this.tok.T_LNUMBER;
  }
function() {
    let ch;
    while (this.offset < this.size) {
      ch = this.input();
      if (ch !== "0" && ch !== "1") {
        if (ch) this.unput(1);
        break;
      }
    }
    return this.tok.T_LNUMBER;
  }
function ( ) { let ch ; while ( this . offset < this . size ) { ch = this . input ( ) ; if ( ch !== "0" && ch !== "1" ) { if ( ch ) this . unput ( 1 ) ; break ; } } return this . tok . T_LNUMBER ; }
read binary
read binary