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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.
70 lines
1.7 KiB
PHP
70 lines
1.7 KiB
PHP
--TEST--
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Test mb_ereg() function : mb_ereg 'successfully' matching incorrectly
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--SKIPIF--
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<?php
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extension_loaded('mbstring') or die('skip');
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function_exists('mb_ereg') or die("skip mb_ereg() is not available in this build");
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?>
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--FILE--
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<?php
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/*
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* mb_ereg 'successfully' matching incorrectly:
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* Bug now seems to be fixed - error message is now generated when an 'empty'
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* pattern is supplied to mb_ereg. Similar error message to ereg().
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*/
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$inputs = array(false, FALSE, "", '');
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$iterator = 1;
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foreach($inputs as $input) {
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if(@is_array($mb_regs)){
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$mb_regs = '';
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}
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echo "\n-- Iteration $iterator --\n";
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echo "Without \$regs arg:\n";
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try {
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var_dump( mb_ereg($input, 'hello, world') );
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} catch (\ValueError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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echo "With \$regs arg:\n";
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try {
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var_dump(mb_ereg($input, 'hello, world', $mb_regs));
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} catch (\ValueError $e) {
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echo $e->getMessage() . \PHP_EOL;
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}
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var_dump($mb_regs);
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$iterator++;
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};
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?>
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--EXPECT--
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-- Iteration 1 --
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Without $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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With $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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NULL
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-- Iteration 2 --
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Without $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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With $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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NULL
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-- Iteration 3 --
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Without $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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With $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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NULL
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-- Iteration 4 --
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Without $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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With $regs arg:
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mb_ereg(): Argument #1 ($pattern) must not be empty
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NULL
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