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