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file
Description
array file ( string filename [, int use_include_path])Identical to readfile(), except that file() returns the file in an array. Each element of the array corresponds to a line in the file, with the newline still attached. Upon failure, file() returns FALSE.
注: Each line in the resulting array will include the line ending, so you still need to use trim() if you do not want the line ending present.
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You can use the optional use_include_path parameter and set it to "1", if you want to search for the file in the include_path, too.
<?php
// Get a file into an array. In this example we'll go through HTTP to get
// the HTML source of a URL.
$lines = file ('http://www.example.com/');
// Loop through our array, show html source as html source; and line numbers too.
foreach ($lines as $line_num => $line) {
echo "Line #<b>{$line_num}</b> : " . htmlspecialchars($line) . "<br>\n";
}
// Another example, let's get a web page into a string. See also file_get_contents().
$html = implode ('', file ('http://www.example.com/'));
?> |
注: As of PHP 4.3.0 you can use file_get_contents() to return the contents of a file as a string.
In PHP 4.3.0 file() became binary safe.
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See also readfile(), fopen(), fsockopen(), and popen(), and file_get_contents(), and include().
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