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a66c60cce3
This removes object auto-vivification support. This also means that we can remove the corresponding special handling for typed properites: We no longer need to check that a property is convertible to stdClass if such a conversion might take place indirectly due to a nested property write. Additionally OBJ_W style operations now no longer modify the object operand, and as such we no longer need to treat op1 as a def in SSA form. The next step would be to actually compile the whole LHS of OBJ_W operations in R rather than W mode, but that causes issues with SimpleXML, whose object handlers depend on the current compilation structure. Part of https://wiki.php.net/rfc/engine_warnings.
205 lines
3.1 KiB
PHP
205 lines
3.1 KiB
PHP
--TEST--
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Ensure foreach splits the iterated entity from its cow reference set, for all sorts of iterated entities.
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--FILE--
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<?php
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echo "\n" . '$a' . "\n";
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$b = $a = array('original');
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foreach($a as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '${\'a\'}' . "\n";
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$b = $a = array('original');
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foreach(${'a'} as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$$a' . "\n";
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$a = 'blah';
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$$a = array('original');
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$b = $$a;
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foreach($$a as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a[0]' . "\n";
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$b = $a[0] = array('original');
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foreach($a[0] as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a[0][0]' . "\n";
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$b = $a[0][0] = array('original');
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foreach($a[0][0] as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a->b' . "\n";
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$a = new stdClass;
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$b = $a->b = array('original');
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foreach($a->b as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a->b->c' . "\n";
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$a = new stdClass;
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$a->b = new stdClass;
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$b = $a->b->c = array('original');
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foreach($a->b as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a->b[0]' . "\n";
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$a = new stdClass;
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$b = $a->b[0] = array('original');
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foreach($a->b[0] as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a->b[0][0]' . "\n";
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$a = new stdClass;
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$b = $a->b[0][0] = array('original');
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foreach($a->b[0][0] as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . '$a->b[0]->c' . "\n";
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$a = new stdClass;
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$a->b[0] = new stdClass;
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$b = $a->b[0]->c = array('original');
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foreach($a->b[0]->c as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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class C {
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public static $a;
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}
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echo "\n" . 'C::$a' . "\n";
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C::$a = array('original');
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$b = C::$a;
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foreach(C::$a as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset($a, $b);
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echo "\n" . 'C::$a[0]' . "\n";
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C::$a[0] = array('original');
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$b = C::$a[0];
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foreach(C::$a[0] as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset(C::$a[0], $b);
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echo "\n" . 'C::$a[0]->b' . "\n";
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C::$a[0] = new stdClass;
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C::$a[0]->b = array('original');
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$b = C::$a[0]->b;
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foreach(C::$a[0]->b as $k=>&$v) {
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$v = 'changed';
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}
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var_dump($b);
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unset(C::$a[0]->b, $b);
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?>
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--EXPECT--
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$a
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array(1) {
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[0]=>
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string(8) "original"
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}
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${'a'}
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array(1) {
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[0]=>
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string(8) "original"
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}
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$$a
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a[0]
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a[0][0]
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a->b
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a->b->c
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a->b[0]
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a->b[0][0]
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array(1) {
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[0]=>
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string(8) "original"
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}
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$a->b[0]->c
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array(1) {
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[0]=>
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string(8) "original"
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}
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C::$a
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array(1) {
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[0]=>
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string(8) "original"
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}
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C::$a[0]
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array(1) {
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[0]=>
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string(8) "original"
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}
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C::$a[0]->b
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array(1) {
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[0]=>
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string(8) "original"
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}
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