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58 lines
1.7 KiB
PHP
58 lines
1.7 KiB
PHP
--TEST--
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Test is_file() function: usage variations - diff. files
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--FILE--
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<?php
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/* Prototype: bool is_file ( string $filename );
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Description: Tells whether the filename is a regular file
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Returns TRUE if the filename exists and is a regular file
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*/
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/* Testing is_file() with file containing data, truncating its size
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and the file created by touch() */
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$file_path = __DIR__;
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echo "-- Testing is_file() with file containing data --\n";
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$filename = $file_path."/is_file_variation1.tmp";
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$file_handle = fopen($filename, "w" );
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fwrite( $file_handle, "Hello, world....." ); // exptected true
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fclose($file_handle);
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var_dump( is_file($filename) );
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clearstatcache();
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echo "\n-- Testing is_file() after truncating filesize to zero bytes --\n";
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$file_handle = fopen( $file_path."/is_file_variation1.tmp", "r");
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ftruncate($file_handle, 0);
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fclose($file_handle);
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var_dump( is_file($file_path."/is_file_variation1.tmp") ); // expected true
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clearstatcache();
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unlink($file_path."/is_file_variation1.tmp");
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echo "\n-- Testing is_file() with an empty file --\n";
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/* created by fopen() */
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fclose( fopen($file_path."/is_file_variation1.tmp", "w") );
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var_dump( is_file($file_path."/is_file_variation1.tmp") ); //expected true
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clearstatcache();
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unlink($file_path."/is_file_variation1.tmp");
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/* created by touch() */
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touch($file_path."/is_file_variation1.tmp");
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var_dump( is_file($file_path."/is_file_variation1.tmp") ); // expected true
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clearstatcache();
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unlink($file_path."/is_file_variation1.tmp");
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echo "\n*** Done ***";
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?>
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--EXPECT--
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-- Testing is_file() with file containing data --
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bool(true)
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-- Testing is_file() after truncating filesize to zero bytes --
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bool(true)
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-- Testing is_file() with an empty file --
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bool(true)
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bool(true)
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*** Done ***
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