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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.
77 lines
2.6 KiB
PHP
77 lines
2.6 KiB
PHP
--TEST--
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Test nullsafe property in special functions
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--FILE--
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<?php
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function dump_error(callable $callable) {
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try {
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var_dump($callable());
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} catch (Throwable $e) {
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var_dump($e->getMessage());
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}
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}
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function foo() {}
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$foo = null;
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dump_error(fn() => strlen($foo?->foo()));
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dump_error(fn() => is_null($foo?->foo()));
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dump_error(fn() => is_bool($foo?->foo()));
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dump_error(fn() => is_int($foo?->foo()));
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dump_error(fn() => is_scalar($foo?->foo()));
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dump_error(fn() => boolval($foo?->foo()));
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dump_error(fn() => defined($foo?->foo()));
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dump_error(fn() => chr($foo?->foo()));
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dump_error(fn() => ord($foo?->foo()));
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dump_error(fn() => call_user_func_array($foo?->foo(), []));
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dump_error(fn() => call_user_func_array('foo', $foo?->foo()));
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dump_error(fn() => get_class($foo?->foo()));
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dump_error(fn() => get_called_class($foo?->foo()));
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dump_error(fn() => gettype($foo?->foo()));
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dump_error(fn() => func_num_args($foo?->foo()));
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dump_error(fn() => func_get_args($foo?->foo()));
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dump_error(fn() => array_slice($foo?->foo(), 0));
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dump_error(fn() => array_slice(['foo'], $foo?->foo()));
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dump_error(fn() => array_slice(['foo'], 0, $foo?->foo()));
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dump_error(fn() => array_key_exists($foo?->foo(), []));
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dump_error(fn() => array_key_exists('foo', $foo?->foo()));
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?>
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--EXPECTF--
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Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in %s on line %d
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int(0)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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Deprecated: defined(): Passing null to parameter #1 ($constant_name) of type string is deprecated in %s on line %d
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bool(false)
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Deprecated: chr(): Passing null to parameter #1 ($codepoint) of type int is deprecated in %s on line %d
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string(1) "%s"
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Deprecated: ord(): Passing null to parameter #1 ($character) of type string is deprecated in %s on line %d
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int(0)
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string(98) "call_user_func_array(): Argument #1 ($function) must be a valid callback, no array or string given"
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string(77) "call_user_func_array(): Argument #2 ($args) must be of type array, null given"
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string(69) "get_class(): Argument #1 ($object) must be of type object, null given"
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string(55) "get_called_class() expects exactly 0 arguments, 1 given"
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string(4) "NULL"
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string(52) "func_num_args() expects exactly 0 arguments, 1 given"
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string(52) "func_get_args() expects exactly 0 arguments, 1 given"
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string(69) "array_slice(): Argument #1 ($array) must be of type array, null given"
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Deprecated: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in %s on line %d
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array(1) {
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[0]=>
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string(3) "foo"
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}
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array(1) {
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[0]=>
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string(3) "foo"
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}
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bool(false)
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string(74) "array_key_exists(): Argument #2 ($array) must be of type array, null given"
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