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b10416a652
This deprecates passing null to non-nullable scale arguments of internal functions, with the eventual goal of making the behavior consistent with userland functions, where null is never accepted for non-nullable arguments. This change is expected to cause quite a lot of fallout. In most cases, calling code should be adjusted to avoid passing null. In some cases, PHP should be adjusted to make some function arguments nullable. I have already fixed a number of functions before landing this, but feel free to file a bug if you encounter a function that doesn't accept null, but probably should. (The rule of thumb for this to be applicable is that the function must have special behavior for 0 or "", which is distinct from the natural behavior of the parameter.) RFC: https://wiki.php.net/rfc/deprecate_null_to_scalar_internal_arg Closes GH-6475.
27 lines
570 B
PHP
27 lines
570 B
PHP
--TEST--
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Bug #75717: RecursiveArrayIterator does not traverse arrays by reference
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--FILE--
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<?php
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function flatten(array $nestedArraysAndStrings){
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$flat=[];
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$iter = new RecursiveIteratorIterator(
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new RecursiveArrayIterator($nestedArraysAndStrings));
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foreach($iter as $leaf){ $flat[] = $leaf; }
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return join('', $flat);
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}
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$noRefs = [[[['some']]],[' nested '],"items"];
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$withRefs = []+$noRefs;
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$wat = $noRefs[0];
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$withRefs[0] = &$wat;
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echo flatten($noRefs), "\n";
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echo flatten($withRefs), "\n";
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?>
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--EXPECT--
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some nested items
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some nested items
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