return $temp;
}
-/**
- * Windows-compatible version of escapeshellarg()
- * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
- * function puts single quotes in regardless of OS.
- *
- * Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
- * earlier distro releases of PHP)
- *
- * @param varargs
- * @return String
- */
-function wfEscapeShellArg( ) {
- wfInitShellLocale();
-
- $args = func_get_args();
- $first = true;
- $retVal = '';
- foreach ( $args as $arg ) {
- if ( !$first ) {
- $retVal .= ' ';
- } else {
- $first = false;
- }
-
- if ( wfIsWindows() ) {
- // Escaping for an MSVC-style command line parser and CMD.EXE
- // Refs:
- // * http://web.archive.org/web/20020708081031/http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
- // * http://technet.microsoft.com/en-us/library/cc723564.aspx
- // * Bug #13518
- // * CR r63214
- // Double the backslashes before any double quotes. Escape the double quotes.
- $tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
- $arg = '';
- $iteration = 0;
- foreach ( $tokens as $token ) {
- if ( $iteration % 2 == 1 ) {
- // Delimiter, a double quote preceded by zero or more slashes
- $arg .= str_replace( '\\', '\\\\', substr( $token, 0, -1 ) ) . '\\"';
- } elseif ( $iteration % 4 == 2 ) {
- // ^ in $token will be outside quotes, need to be escaped
- $arg .= str_replace( '^', '^^', $token );
- } else { // $iteration % 4 == 0
- // ^ in $token will appear inside double quotes, so leave as is
- $arg .= $token;
- }
- $iteration++;
- }
- // Double the backslashes before the end of the string, because
- // we will soon add a quote
- $m = array();
- if ( preg_match( '/^(.*?)(\\\\+)$/', $arg, $m ) ) {
- $arg = $m[1] . str_replace( '\\', '\\\\', $m[2] );
- }
-
- // Add surrounding quotes
- $retVal .= '"' . $arg . '"';
- } else {
- $retVal .= escapeshellarg( $arg );
- }
- }
- return $retVal;
-}
-
-/**
- * wfMerge attempts to merge differences between three texts.
- * Returns true for a clean merge and false for failure or a conflict.
- *
- * @param $old String
- * @param $mine String
- * @param $yours String
- * @param $result String
- * @return Bool
- */
-function wfMerge( $old, $mine, $yours, &$result ) {
- global $wgDiff3;
-
- # This check may also protect against code injection in
- # case of broken installations.
- wfSuppressWarnings();
- $haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
- wfRestoreWarnings();
-
- if( !$haveDiff3 ) {
- wfDebug( "diff3 not found\n" );
- return false;
- }
-
- # Make temporary files
- $td = wfTempDir();
- $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
- $mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
- $yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
-
- fwrite( $oldtextFile, $old );
- fclose( $oldtextFile );
- fwrite( $mytextFile, $mine );
- fclose( $mytextFile );
- fwrite( $yourtextFile, $yours );
- fclose( $yourtextFile );
-
- # Check for a conflict
- $cmd = $wgDiff3 . ' -a --overlap-only ' .
- wfEscapeShellArg( $mytextName ) . ' ' .
- wfEscapeShellArg( $oldtextName ) . ' ' .
- wfEscapeShellArg( $yourtextName );
- $handle = popen( $cmd, 'r' );
-
- if( fgets( $handle, 1024 ) ) {
- $conflict = true;
- } else {
- $conflict = false;
- }
- pclose( $handle );
-
- # Merge differences
- $cmd = $wgDiff3 . ' -a -e --merge ' .
- wfEscapeShellArg( $mytextName, $oldtextName, $yourtextName );
- $handle = popen( $cmd, 'r' );
- $result = '';
- do {
- $data = fread( $handle, 8192 );
- if ( strlen( $data ) == 0 ) {
- break;
- }
- $result .= $data;
- } while ( true );
- pclose( $handle );
- unlink( $mytextName );
- unlink( $oldtextName );
- unlink( $yourtextName );
-
- if ( $result === '' && $old !== '' && !$conflict ) {
- wfDebug( "Unexpected null result from diff3. Command: $cmd\n" );
- $conflict = true;
- }
- return !$conflict;
-}
-
-/**
- * Returns unified plain-text diff of two texts.
- * Useful for machine processing of diffs.
- *
- * @param $before String: the text before the changes.
- * @param $after String: the text after the changes.
- * @param $params String: command-line options for the diff command.
- * @return String: unified diff of $before and $after
- */
-function wfDiff( $before, $after, $params = '-u' ) {
- if ( $before == $after ) {
- return '';
- }
-
- global $wgDiff;
- wfSuppressWarnings();
- $haveDiff = $wgDiff && file_exists( $wgDiff );
- wfRestoreWarnings();
-
- # This check may also protect against code injection in
- # case of broken installations.
- if( !$haveDiff ) {
- wfDebug( "diff executable not found\n" );
- $diffs = new Diff( explode( "\n", $before ), explode( "\n", $after ) );
- $format = new UnifiedDiffFormatter();
- return $format->format( $diffs );
- }
-
- # Make temporary files
- $td = wfTempDir();
- $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
- $newtextFile = fopen( $newtextName = tempnam( $td, 'merge-your-' ), 'w' );
-
- fwrite( $oldtextFile, $before );
- fclose( $oldtextFile );
- fwrite( $newtextFile, $after );
- fclose( $newtextFile );
-
- // Get the diff of the two files
- $cmd = "$wgDiff " . $params . ' ' . wfEscapeShellArg( $oldtextName, $newtextName );
-
- $h = popen( $cmd, 'r' );
-
- $diff = '';
-
- do {
- $data = fread( $h, 8192 );
- if ( strlen( $data ) == 0 ) {
- break;
- }
- $diff .= $data;
- } while ( true );
-
- // Clean up
- pclose( $h );
- unlink( $oldtextName );
- unlink( $newtextName );
-
- // Kill the --- and +++ lines. They're not useful.
- $diff_lines = explode( "\n", $diff );
- if ( strpos( $diff_lines[0], '---' ) === 0 ) {
- unset( $diff_lines[0] );
- }
- if ( strpos( $diff_lines[1], '+++' ) === 0 ) {
- unset( $diff_lines[1] );
- }
-
- $diff = implode( "\n", $diff_lines );
-
- return $diff;
-}
-
/**
* A wrapper around the PHP function var_export().
* Either print it or add it to the regular output ($wgOut).
return extension_loaded( $extension );
}
+/**
+ * Windows-compatible version of escapeshellarg()
+ * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
+ * function puts single quotes in regardless of OS.
+ *
+ * Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
+ * earlier distro releases of PHP)
+ *
+ * @param varargs
+ * @return String
+ */
+function wfEscapeShellArg( ) {
+ wfInitShellLocale();
+
+ $args = func_get_args();
+ $first = true;
+ $retVal = '';
+ foreach ( $args as $arg ) {
+ if ( !$first ) {
+ $retVal .= ' ';
+ } else {
+ $first = false;
+ }
+
+ if ( wfIsWindows() ) {
+ // Escaping for an MSVC-style command line parser and CMD.EXE
+ // Refs:
+ // * http://web.archive.org/web/20020708081031/http://mailman.lyra.org/pipermail/scite-interest/2002-March/000436.html
+ // * http://technet.microsoft.com/en-us/library/cc723564.aspx
+ // * Bug #13518
+ // * CR r63214
+ // Double the backslashes before any double quotes. Escape the double quotes.
+ $tokens = preg_split( '/(\\\\*")/', $arg, -1, PREG_SPLIT_DELIM_CAPTURE );
+ $arg = '';
+ $iteration = 0;
+ foreach ( $tokens as $token ) {
+ if ( $iteration % 2 == 1 ) {
+ // Delimiter, a double quote preceded by zero or more slashes
+ $arg .= str_replace( '\\', '\\\\', substr( $token, 0, -1 ) ) . '\\"';
+ } elseif ( $iteration % 4 == 2 ) {
+ // ^ in $token will be outside quotes, need to be escaped
+ $arg .= str_replace( '^', '^^', $token );
+ } else { // $iteration % 4 == 0
+ // ^ in $token will appear inside double quotes, so leave as is
+ $arg .= $token;
+ }
+ $iteration++;
+ }
+ // Double the backslashes before the end of the string, because
+ // we will soon add a quote
+ $m = array();
+ if ( preg_match( '/^(.*?)(\\\\+)$/', $arg, $m ) ) {
+ $arg = $m[1] . str_replace( '\\', '\\\\', $m[2] );
+ }
+
+ // Add surrounding quotes
+ $retVal .= '"' . $arg . '"';
+ } else {
+ $retVal .= escapeshellarg( $arg );
+ }
+ }
+ return $retVal;
+}
+
/**
* Execute a shell command, with time and memory limits mirrored from the PHP
* configuration if supported.
return implode( " ", array_map( 'wfEscapeShellArg', array_merge( $cmd, $parameters ) ) );
}
+/**
+ * wfMerge attempts to merge differences between three texts.
+ * Returns true for a clean merge and false for failure or a conflict.
+ *
+ * @param $old String
+ * @param $mine String
+ * @param $yours String
+ * @param $result String
+ * @return Bool
+ */
+function wfMerge( $old, $mine, $yours, &$result ) {
+ global $wgDiff3;
+
+ # This check may also protect against code injection in
+ # case of broken installations.
+ wfSuppressWarnings();
+ $haveDiff3 = $wgDiff3 && file_exists( $wgDiff3 );
+ wfRestoreWarnings();
+
+ if( !$haveDiff3 ) {
+ wfDebug( "diff3 not found\n" );
+ return false;
+ }
+
+ # Make temporary files
+ $td = wfTempDir();
+ $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
+ $mytextFile = fopen( $mytextName = tempnam( $td, 'merge-mine-' ), 'w' );
+ $yourtextFile = fopen( $yourtextName = tempnam( $td, 'merge-your-' ), 'w' );
+
+ fwrite( $oldtextFile, $old );
+ fclose( $oldtextFile );
+ fwrite( $mytextFile, $mine );
+ fclose( $mytextFile );
+ fwrite( $yourtextFile, $yours );
+ fclose( $yourtextFile );
+
+ # Check for a conflict
+ $cmd = $wgDiff3 . ' -a --overlap-only ' .
+ wfEscapeShellArg( $mytextName ) . ' ' .
+ wfEscapeShellArg( $oldtextName ) . ' ' .
+ wfEscapeShellArg( $yourtextName );
+ $handle = popen( $cmd, 'r' );
+
+ if( fgets( $handle, 1024 ) ) {
+ $conflict = true;
+ } else {
+ $conflict = false;
+ }
+ pclose( $handle );
+
+ # Merge differences
+ $cmd = $wgDiff3 . ' -a -e --merge ' .
+ wfEscapeShellArg( $mytextName, $oldtextName, $yourtextName );
+ $handle = popen( $cmd, 'r' );
+ $result = '';
+ do {
+ $data = fread( $handle, 8192 );
+ if ( strlen( $data ) == 0 ) {
+ break;
+ }
+ $result .= $data;
+ } while ( true );
+ pclose( $handle );
+ unlink( $mytextName );
+ unlink( $oldtextName );
+ unlink( $yourtextName );
+
+ if ( $result === '' && $old !== '' && !$conflict ) {
+ wfDebug( "Unexpected null result from diff3. Command: $cmd\n" );
+ $conflict = true;
+ }
+ return !$conflict;
+}
+
+/**
+ * Returns unified plain-text diff of two texts.
+ * Useful for machine processing of diffs.
+ *
+ * @param $before String: the text before the changes.
+ * @param $after String: the text after the changes.
+ * @param $params String: command-line options for the diff command.
+ * @return String: unified diff of $before and $after
+ */
+function wfDiff( $before, $after, $params = '-u' ) {
+ if ( $before == $after ) {
+ return '';
+ }
+
+ global $wgDiff;
+ wfSuppressWarnings();
+ $haveDiff = $wgDiff && file_exists( $wgDiff );
+ wfRestoreWarnings();
+
+ # This check may also protect against code injection in
+ # case of broken installations.
+ if( !$haveDiff ) {
+ wfDebug( "diff executable not found\n" );
+ $diffs = new Diff( explode( "\n", $before ), explode( "\n", $after ) );
+ $format = new UnifiedDiffFormatter();
+ return $format->format( $diffs );
+ }
+
+ # Make temporary files
+ $td = wfTempDir();
+ $oldtextFile = fopen( $oldtextName = tempnam( $td, 'merge-old-' ), 'w' );
+ $newtextFile = fopen( $newtextName = tempnam( $td, 'merge-your-' ), 'w' );
+
+ fwrite( $oldtextFile, $before );
+ fclose( $oldtextFile );
+ fwrite( $newtextFile, $after );
+ fclose( $newtextFile );
+
+ // Get the diff of the two files
+ $cmd = "$wgDiff " . $params . ' ' . wfEscapeShellArg( $oldtextName, $newtextName );
+
+ $h = popen( $cmd, 'r' );
+
+ $diff = '';
+
+ do {
+ $data = fread( $h, 8192 );
+ if ( strlen( $data ) == 0 ) {
+ break;
+ }
+ $diff .= $data;
+ } while ( true );
+
+ // Clean up
+ pclose( $h );
+ unlink( $oldtextName );
+ unlink( $newtextName );
+
+ // Kill the --- and +++ lines. They're not useful.
+ $diff_lines = explode( "\n", $diff );
+ if ( strpos( $diff_lines[0], '---' ) === 0 ) {
+ unset( $diff_lines[0] );
+ }
+ if ( strpos( $diff_lines[1], '+++' ) === 0 ) {
+ unset( $diff_lines[1] );
+ }
+
+ $diff = implode( "\n", $diff_lines );
+
+ return $diff;
+}
+
/**
* This function works like "use VERSION" in Perl, the program will die with a
* backtrace if the current version of PHP is less than the version provided