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73 lines
1.7 KiB
PHP
73 lines
1.7 KiB
PHP
--TEST--
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Test filesize() function: usage variations - file size after truncate
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--SKIPIF--
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<?php
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if (substr(PHP_OS, 0, 3) != 'WIN') {
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die('skip only valid for Windows');
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}
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--FILE--
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<?php
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/*
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Prototype : int filesize ( string $filename );
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Description : Returns the size of the file in bytes, or FALSE
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(and generates an error of level E_WARNING) in case of an error.
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*/
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$file_path = dirname(__FILE__);
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echo "*** Testing filesize(): usage variations ***\n";
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$filename = $file_path."/filesize_variation3.tmp";
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$file_handle = fopen($filename, "w");
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fwrite($file_handle, str_repeat("Hello,World ", 1000) ); // create file of size 12000 bytes
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fclose($file_handle);
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echo "-- Testing filesize() after truncating the file to a new length --\n";
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// truncate the file created earlier in subdir, the size of the file is 12000bytes
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// truncate the same file, in the loop , each time with the decrement in size by 1200 bytes,
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// until -1200bytes size
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for($size = filesize($filename); $size>=-1200; $size-=1200) {
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$file_handle = fopen($filename, "r+");
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var_dump( ftruncate($file_handle, $size) );
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fclose($file_handle);
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var_dump( filesize($filename) );
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clearstatcache();
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}
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echo "*** Done ***\n";
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?>
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--CLEAN--
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<?php
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$file_path = dirname(__FILE__);
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unlink($file_path."/filesize_variation3.tmp");
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?>
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--EXPECTF--
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*** Testing filesize(): usage variations ***
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-- Testing filesize() after truncating the file to a new length --
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bool(true)
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int(12000)
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bool(true)
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int(10800)
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bool(true)
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int(9600)
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bool(true)
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int(8400)
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bool(true)
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int(7200)
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bool(true)
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int(6000)
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bool(true)
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int(4800)
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bool(true)
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int(3600)
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bool(true)
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int(2400)
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bool(true)
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int(1200)
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bool(true)
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int(0)
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Warning: ftruncate(): Negative size is not supported in %s on line %d
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bool(false)
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int(0)
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*** Done ***
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