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61 lines
2.3 KiB
PHP
61 lines
2.3 KiB
PHP
--TEST--
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Test fopen and fclose() functions - usage variations - "x+" mode
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--FILE--
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<?php
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/*
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fopen() function:
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Prototype: resource fopen(string $filename, string $mode
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[, bool $use_include_path [, resource $context]] );
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Description: Opens file or URL.
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*/
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/*
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fclose() function:
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Prototype: bool fclose ( resource $handle );
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Description: Closes an open file pointer
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*/
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/* Test fopen() and fclose(): Opening the file in "x+" mode,
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checking for the file creation, write & read operations,
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checking for the file pointer position,
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checking for the warning msg when trying to open an existing file in "x+" mode,
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and fclose function
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*/
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$file_path = dirname(__FILE__);
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$string = "abcdefghij\nmnopqrst\tuvwxyz\n0123456789";
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$file = $file_path."/007_variation8.tmp";
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echo "*** Test fopen() & fclose() functions: with 'x+' mode ***\n";
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$file_handle = fopen($file, "x+"); //opening the non-existing file in "x+" mode, file will be created
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var_dump($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 begining 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 the 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($file_handle) ); //Check whether resource is lost after close operation
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$file_handle = fopen($file, "x+"); //Opening the existing data file in "x+" mode to check for the warning message
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echo "*** Done ***\n";
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--CLEAN--
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<?php
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unlink(dirname(__FILE__)."/007_variation8.tmp");
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?>
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--EXPECTF--
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*** Test fopen() & fclose() functions: with 'x+' 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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Warning: fopen(%s): failed to open stream: File exists in %s on line %d
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*** Done ***
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