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63 lines
2.5 KiB
PHP
63 lines
2.5 KiB
PHP
--TEST--
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Test fopen and fclose() functions - usage variations - "w+" mode
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--FILE--
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<?php
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/* Test fopen() and fclose(): Opening the file in "w+" mode,
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checking for the file creation, write & read operations,
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checking for the file pointer position,
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checking for the file truncation when trying to open an existing file in "w+" mode,
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and fclose function
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*/
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$file_path = __DIR__;
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require($file_path."/file.inc");
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create_files($file_path, 1, "text_with_new_line", 0755, 20, "w", "007_variation", 4, "bytes");
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$file = $file_path."/007_variation4.tmp";
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$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789";
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echo "*** Test fopen() & fclose() functions: with 'w+' mode ***\n";
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$file_handle = fopen($file, "w+"); //opening the file "w+" mode
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var_dump($file_handle); //Check for the content of handle
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var_dump( get_resource_type($file_handle) ); //Check for the type of resource
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var_dump( ftell($file_handle) ); //Initial file pointer position, expected at the beginning of the file
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var_dump( fwrite($file_handle, $string) ); //Check for write operation; passes; expected:size of the $string
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var_dump( ftell($file_handle) ); //File pointer position after write operation, expected at the end of the file
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rewind($file_handle);
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var_dump( fread($file_handle, 100) ); //Check for read operation; passes; expected: content of file
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var_dump( ftell($file_handle) ); //File pointer position after read operation, expected at the end of the file
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var_dump( fclose($file_handle) ); //Check for close operation on the file handle
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var_dump( get_resource_type($file_handle) ); //Check whether resource is lost after close operation
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var_dump( filesize($file) ); //Check for size of existing data file before opening the file in "w+" mode again, expected: size of content
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clearstatcache();
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fclose( fopen($file, "w+") ); //Opening the existing data file again in "w+" mode
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var_dump( filesize($file) ); //Check for size of existing data file after opening the file in "w+" mode again, expected: 0 bytes
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clearstatcache();
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unlink($file); //Deleting the file
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fclose( fopen($file, "w+") ); //Opening the non-existing file in "w+" mode, which will be created
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var_dump( file_exists($file) ); //Check for the existence of file
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echo "*** Done ***\n";
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--CLEAN--
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<?php
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unlink(__DIR__."/007_variation4.tmp");
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?>
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--EXPECTF--
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*** Test fopen() & fclose() functions: with 'w+' mode ***
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resource(%d) of type (stream)
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string(6) "stream"
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int(0)
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int(37)
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int(37)
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string(37) "abcdefghij
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mnopqrst uvwxyz
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0123456789"
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int(37)
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bool(true)
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string(7) "Unknown"
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int(37)
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int(0)
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bool(true)
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*** Done ***
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