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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.
69 lines
1.7 KiB
PHP
69 lines
1.7 KiB
PHP
--TEST--
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Test fscanf() function: error conditions
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--FILE--
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<?php
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echo "*** Testing fscanf() for error conditions ***\n";
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$file_path = __DIR__;
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$filename = "$file_path/fscanf_error.tmp";
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$file_handle = fopen($filename, 'w');
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if ($file_handle == false)
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exit("Error:failed to open file $filename");
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fwrite($file_handle, "hello world");
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fclose($file_handle);
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// invalid file handle
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try {
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fscanf($file_handle, "%s");
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} catch (TypeError $e) {
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echo $e->getMessage(), "\n";
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}
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// number of formats in format strings not matching the no of variables
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$file_handle = fopen($filename, 'r');
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if ($file_handle == false)
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exit("Error:failed to open file $filename");
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try {
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fscanf($file_handle, "%d%s%f", $int_var, $string_var);
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} catch (ValueError $exception) {
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echo $exception->getMessage() . "\n";
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}
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fclose($file_handle);
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// different invalid format strings
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$invalid_formats = array("", "%", "%h", "%.", "%d%m");
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// looping to use various invalid formats with fscanf()
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foreach($invalid_formats as $format) {
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$file_handle = fopen($filename, 'r');
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if ($file_handle == false)
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exit("Error:failed to open file $filename");
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try {
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var_dump(fscanf($file_handle, $format));
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} catch (ValueError $exception) {
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echo $exception->getMessage() . "\n";
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}
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fclose($file_handle);
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}
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echo "\n*** Done ***";
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?>
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--CLEAN--
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<?php
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$file_path = __DIR__;
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$filename = "$file_path/fscanf_error.tmp";
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unlink($filename);
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?>
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--EXPECT--
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*** Testing fscanf() for error conditions ***
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fscanf(): supplied resource is not a valid File-Handle resource
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Different numbers of variable names and field specifiers
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array(0) {
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}
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Bad scan conversion character "
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Bad scan conversion character "
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Bad scan conversion character "."
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Bad scan conversion character "m"
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*** Done ***
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