Re: PHP 4.0 Bug #4586: if (!empty($class_a->get('aa'))) { produces parse error

From:	Zeev Suraski	Date:	Wed, 24 May 2000 21:41:39 +0000
Subject:	Re: PHP 4.0 Bug #4586: if (!empty($class_a->get('aa'))) { produces parse error
References:	1	Groups:	php.dev
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Since empty(expr) is equivalent to (isset(expr) && (expr)!=0), and since isset() only works on variables, you cannot use empty() on anything other than a variable (and $class_a->get('aa') is not a variable). Zeev At 21:02 24/05/2000 , wints@hot.ee wrote:

From:             wints@hot.ee
Operating system: redhat 6.0
PHP version:      4.0 Release Candidate 2
PHP Bug Type:     Scripting Engine problem
Bug description:  if (!empty($class_a-&gt;get('aa'))) {    produces parse error
this script produces error: parse error ,expecting ´')" in ... on line ... if (!empty($t_dtd->get('group_field'))) {
        $group_field = 'v'.$t_dtd->get('group_field');
        if (!empty($t_dtd->get('group_func'))){
        $group_func = "g_fn_".$t_dtd->get('group_func');
        }else{
        $group_func = "g_fn_base";
        }
} this one is ok $t = $t_dtd->get('group_field'); if (!empty($t)) {
      $group_field = 'v'.$t_dtd->get('group_field');
      $t = $t_dtd->get('group_func');
      if (!empty($t)){
        $group_func = "g_fn_".$t_dtd->get('group_func');
      }else{
        $group_func = "g_fn_base";
     }
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-- Zeev Suraski <zeev@zend.com> http://www.zend.com/