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159 lines
4.4 KiB
PHP
159 lines
4.4 KiB
PHP
--TEST--
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Implicit object instantiation when accessing properties of non-object.
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--FILE--
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<?php
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class C {
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// These values get implicitly converted to objects
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public $boolFalse = false;
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public $emptyString = '';
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public $null = null;
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// These values do not get implicitly converted to objects
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public $boolTrue = true;
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public $nonEmptyString = 'hello';
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public $intZero = 0;
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}
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$c = new C;
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foreach($c as $name => $value) {
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echo "\n\n---( \$c->$name )---";
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echo "\n --> Attempting implicit conversion to object using increment...\n";
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$c->$name->prop++;
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$c->$name = $value; // reset value in case implicit conversion was successful
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echo "\n --> Attempting implicit conversion to object using assignment...\n";
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$c->$name->prop = "Implicit instantiation!";
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$c->$name = $value; // reset value in case implicit conversion was successful
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echo "\n --> Attempting implicit conversion to object using combined assignment...\n";
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$c->$name->prop .= " Implicit instantiation!";
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}
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echo "\n\n\n --> Resulting object:";
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var_dump($c);
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?>
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--EXPECTF--
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---( $c->boolFalse )---
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--> Attempting implicit conversion to object using increment...
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Warning: Creating default object from empty value in %s on line 18
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Notice: Undefined property: stdClass::$prop in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Creating default object from empty value in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Creating default object from empty value in %s on line 26
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Notice: Undefined property: stdClass::$prop in %s on line 26
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---( $c->emptyString )---
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--> Attempting implicit conversion to object using increment...
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Warning: Creating default object from empty value in %s on line 18
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Notice: Undefined property: stdClass::$prop in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Creating default object from empty value in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Creating default object from empty value in %s on line 26
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Notice: Undefined property: stdClass::$prop in %s on line 26
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---( $c->null )---
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--> Attempting implicit conversion to object using increment...
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Warning: Creating default object from empty value in %s on line 18
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Notice: Undefined property: stdClass::$prop in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Creating default object from empty value in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Creating default object from empty value in %s on line 26
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Notice: Undefined property: stdClass::$prop in %s on line 26
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---( $c->boolTrue )---
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--> Attempting implicit conversion to object using increment...
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Warning: Attempt to %s property of non-object in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Attempt to assign property of non-object in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Attempt to assign property of non-object in %s on line 26
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---( $c->nonEmptyString )---
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--> Attempting implicit conversion to object using increment...
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Warning: Attempt to %s property of non-object in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Attempt to assign property of non-object in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Attempt to assign property of non-object in %s on line 26
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---( $c->intZero )---
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--> Attempting implicit conversion to object using increment...
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Warning: Attempt to %s property of non-object in %s on line 18
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--> Attempting implicit conversion to object using assignment...
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Warning: Attempt to assign property of non-object in %s on line 22
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--> Attempting implicit conversion to object using combined assignment...
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Warning: Attempt to assign property of non-object in %s on line 26
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--> Resulting object:object(C)#%d (6) {
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["boolFalse"]=>
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object(stdClass)#%d (1) {
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["prop"]=>
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string(24) " Implicit instantiation!"
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}
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["emptyString"]=>
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object(stdClass)#%d (1) {
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["prop"]=>
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string(24) " Implicit instantiation!"
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}
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["null"]=>
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object(stdClass)#%d (1) {
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["prop"]=>
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string(24) " Implicit instantiation!"
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}
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["boolTrue"]=>
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bool(true)
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["nonEmptyString"]=>
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string(5) "hello"
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["intZero"]=>
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int(0)
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}
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