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101 lines
2.5 KiB
PHP
101 lines
2.5 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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/*
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Prototype: mixed fscanf ( resource $handle, string $format [, mixed &$...] );
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Description: Parses input from a file according to a format
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*/
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echo "*** Testing fscanf() for error conditions ***\n";
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$file_path = dirname(__FILE__);
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$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($file_handle);
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// zero argument
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var_dump( fscanf() );
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// single argument
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$file_handle = fopen($filename, 'r');
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if ($file_handle == false)
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exit("Error:failed to open file $filename");
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var_dump( fscanf($file_handle) );
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fclose($file_handle);
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// invalid file handle
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var_dump( fscanf($file_handle, "%s") );
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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 $filename");
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var_dump( fscanf($file_handle, "%d%s%f", $int_var, $string_var) );
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fclose($file_handle);
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// different invalid format strings
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$invalid_formats = array( $undefined_var, undefined_constant,
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"%", "%h", "%.", "%d%m"
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);
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// looping to use various invalid formats with fscanf()
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foreach($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 $filename");
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var_dump( fscanf($file_handle, $format) );
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fclose($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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$file_path = dirname(__FILE__);
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$filename = "$file_path/fscanf_error.tmp";
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unlink($filename);
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?>
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--EXPECTF--
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*** Testing fscanf() for error conditions ***
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Warning: Wrong parameter count for fscanf() in %s on line %d
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NULL
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Warning: Wrong parameter count for fscanf() in %s on line %d
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NULL
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Warning: fscanf(): %d is not a valid File-Handle resource in %s on line %d
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bool(false)
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Warning: fscanf(): Different numbers of variable names and field specifiers in %s on line %d
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int(-1)
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Notice: Undefined variable: undefined_var in %s on line %d
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Notice: Use of undefined constant undefined_constant - assumed 'undefined_constant' in %s on line %d
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array(0) {
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}
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array(0) {
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}
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Warning: fscanf(): Bad scan conversion character " in %s on line %d
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NULL
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Warning: fscanf(): Bad scan conversion character " in %s on line %d
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NULL
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Warning: fscanf(): Bad scan conversion character "." in %s on line %d
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NULL
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Warning: fscanf(): Bad scan conversion character "m" in %s on line %d
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NULL
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*** Done ***
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