xdiff_file_patch
(PECL)
xdiff_file_patch --
Patch a file with an unified diff
Description
mixed
xdiff_file_patch ( string file, string patch, string dest [, int flags] )
xdiff_file_patch() patches file
file with unified patch in file
patch and stores result in file
dest.
flags can be either
XDIFF_PATCH_NORMAL (default mode, normal patch) or
XDIFF_PATCH_REVERSE (reversed patch).
Returns FALSE if an internal error happened, string with rejected
chunks of patch or TRUE if patch has been successfully applied.
Example 1. xdiff_file_patch() 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:\n";
echo $errors;
}
?>
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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:\n";
echo $errors;
}
?>
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See also xdiff_string_patch().