12-27-2008
Pass the -e parameter to enable interpretation of backslash escapes(which us off by default). Like this:
PHP Code:
echo -e "hello\nworld!"
Jostein Topland
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LEARN ABOUT PHP
xdiff_file_patch
XDIFF_FILE_PATCH(3) 1 XDIFF_FILE_PATCH(3)
xdiff_file_patch - Patch a file with an unified diff
SYNOPSIS
mixed xdiff_file_patch (string $file, string $patch, string $dest, [int $flags = DIFF_PATCH_NORMAL])
DESCRIPTION
Patches a $file with a $patch and stores the result in a file. $patch has to be an unified diff created by
xdiff_file_diff(3)/xdiff_string_diff(3) function. An optional $flags parameter specifies mode of operation.
PARAMETERS
o $file
- The original file.
o $patch
- The unified patch file. It has to be created using xdiff_string_diff(3), xdiff_file_diff(3) functions or compatible tools.
o $dest
- Path of the resulting file.
o $flags
- Can be either XDIFF_PATCH_NORMAL (default mode, normal patch) or XDIFF_PATCH_REVERSE (reversed patch). Starting from version
1.5.0, you can also use binary OR to enable XDIFF_PATCH_IGNORESPACE flag.
RETURN VALUES
Returns FALSE if an internal error happened, string with rejected chunks if patch couldn't be applied or TRUE if patch has been success-
fully applied.
EXAMPLES
Example #1
xdiff_file_patch(3) example
The following code applies unified diff to a file.
<?php
$old_version = 'my_script-1.0.php';
$patch = 'my_script.patch';
$errors = xdiff_file_patch($old_version, $patch, 'my_script-1.1.php');
if (is_string($errors)) {
echo "Rejects:
";
echo $errors;
}
?>
Example #2
Patch reversing example
The following code reverses a patch.
<?php
$new_version = 'my_script-1.1.php';
$patch = 'my_script.patch';
$errors = xdiff_file_patch($new_version, $patch, 'my_script-1.0.php', XDIFF_PATCH_REVERSE);
if (is_string($errors)) {
echo "Rejects:
";
echo $errors;
}
?>
SEE ALSO
xdiff_file_diff(3).
PHP Documentation Group XDIFF_FILE_PATCH(3)