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php 5.4.3+patches

    1: --TEST--
    2: Implicit object instantiation when accessing properties of non-object.
    3: --FILE--
    4: <?php
    5: class C {
    6: 	// These values get implicitly converted to objects
    7: 	public $boolFalse = false;
    8: 	public $emptyString = '';
    9: 	public $null = null;
   10: 
   11: 	// These values do not get implicitly converted to objects
   12: 	public $boolTrue = true;
   13: 	public $nonEmptyString = 'hello';
   14: 	public $intZero = 0;
   15: }
   16: 
   17: $c = new C;
   18: foreach($c as $name => $value) {
   19: 	echo "\n\n---( \$c->$name )---";
   20: 	echo "\n  --> Attempting implicit conversion to object using increment...\n";
   21: 	$c->$name->prop++;
   22: 	$c->$name = $value; // reset value in case implicit conversion was successful
   23: 	
   24: 	echo "\n  --> Attempting implicit conversion to object using assignment...\n";
   25: 	$c->$name->prop = "Implicit instantiation!";
   26: 	$c->$name = $value; // reset value in case implicit conversion was successful
   27: 
   28: 	echo "\n  --> Attempting implicit conversion to object using combined assignment...\n";
   29: 	$c->$name->prop .= " Implicit instantiation!";
   30: }
   31: 
   32: echo "\n\n\n --> Resulting object:";
   33: var_dump($c);
   34: 
   35: ?>
   36: --EXPECTF--
   37: 
   38: 
   39: ---( $c->boolFalse )---
   40:   --> Attempting implicit conversion to object using increment...
   41: 
   42: Warning: Creating default object from empty value in %s on line 18
   43: 
   44:   --> Attempting implicit conversion to object using assignment...
   45: 
   46: Warning: Creating default object from empty value in %s on line 22
   47: 
   48:   --> Attempting implicit conversion to object using combined assignment...
   49: 
   50: Warning: Creating default object from empty value in %s on line 26
   51: 
   52: 
   53: ---( $c->emptyString )---
   54:   --> Attempting implicit conversion to object using increment...
   55: 
   56: Warning: Creating default object from empty value in %s on line 18
   57: 
   58:   --> Attempting implicit conversion to object using assignment...
   59: 
   60: Warning: Creating default object from empty value in %s on line 22
   61: 
   62:   --> Attempting implicit conversion to object using combined assignment...
   63: 
   64: Warning: Creating default object from empty value in %s on line 26
   65: 
   66: 
   67: ---( $c->null )---
   68:   --> Attempting implicit conversion to object using increment...
   69: 
   70: Warning: Creating default object from empty value in %s on line 18
   71: 
   72:   --> Attempting implicit conversion to object using assignment...
   73: 
   74: Warning: Creating default object from empty value in %s on line 22
   75: 
   76:   --> Attempting implicit conversion to object using combined assignment...
   77: 
   78: Warning: Creating default object from empty value in %s on line 26
   79: 
   80: 
   81: ---( $c->boolTrue )---
   82:   --> Attempting implicit conversion to object using increment...
   83: 
   84: Warning: Attempt to %s property of non-object in %s on line 18
   85: 
   86:   --> Attempting implicit conversion to object using assignment...
   87: 
   88: Warning: Attempt to assign property of non-object in %s on line 22
   89: 
   90:   --> Attempting implicit conversion to object using combined assignment...
   91: 
   92: Warning: Attempt to assign property of non-object in %s on line 26
   93: 
   94: 
   95: ---( $c->nonEmptyString )---
   96:   --> Attempting implicit conversion to object using increment...
   97: 
   98: Warning: Attempt to %s property of non-object in %s on line 18
   99: 
  100:   --> Attempting implicit conversion to object using assignment...
  101: 
  102: Warning: Attempt to assign property of non-object in %s on line 22
  103: 
  104:   --> Attempting implicit conversion to object using combined assignment...
  105: 
  106: Warning: Attempt to assign property of non-object in %s on line 26
  107: 
  108: 
  109: ---( $c->intZero )---
  110:   --> Attempting implicit conversion to object using increment...
  111: 
  112: Warning: Attempt to %s property of non-object in %s on line 18
  113: 
  114:   --> Attempting implicit conversion to object using assignment...
  115: 
  116: Warning: Attempt to assign property of non-object in %s on line 22
  117: 
  118:   --> Attempting implicit conversion to object using combined assignment...
  119: 
  120: Warning: Attempt to assign property of non-object in %s on line 26
  121: 
  122: 
  123: 
  124:  --> Resulting object:object(C)#%d (6) {
  125:   [%u|b%"boolFalse"]=>
  126:   object(stdClass)#%d (1) {
  127:     [%u|b%"prop"]=>
  128:     %unicode|string%(24) " Implicit instantiation!"
  129:   }
  130:   [%u|b%"emptyString"]=>
  131:   object(stdClass)#%d (1) {
  132:     [%u|b%"prop"]=>
  133:     %unicode|string%(24) " Implicit instantiation!"
  134:   }
  135:   [%u|b%"null"]=>
  136:   object(stdClass)#%d (1) {
  137:     [%u|b%"prop"]=>
  138:     %unicode|string%(24) " Implicit instantiation!"
  139:   }
  140:   [%u|b%"boolTrue"]=>
  141:   bool(true)
  142:   [%u|b%"nonEmptyString"]=>
  143:   %unicode|string%(5) "hello"
  144:   [%u|b%"intZero"]=>
  145:   int(0)
  146: }