code: public String getPhpExec(String exec) throws IOException {
  		if (phpExec != null) {
  			return phpExec;
  		}
  		initPhpExec(exec);
  		return phpExec;
  	}
docs: <p>Getter for the field <code>phpExec</code>.</p>
  
  @param exec a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.
  @throws java.io.IOException if any.