/**
* Like array_diff( $a, $b ) except that it works with two-dimensional arrays.
+ * @param $a array
+ * @param $b array
+ * @return array
*/
function wfArrayDiff2( $a, $b ) {
return array_udiff( $a, $b, 'wfArrayDiff2_cmp' );
* array( array( 'x' ) ),
* array( array( 'x', '2' ) ),
* array( array( 'x' ) ),
- * array( array( 'y') )
+ * array( array( 'y' ) )
* );
* returns:
* array(
static $needle;
if ( is_null( $s ) ) {
$needle = null;
- return;
+ return '';
}
-
+
if ( is_null( $needle ) ) {
$needle = array( '%3B', '%40', '%24', '%21', '%2A', '%28', '%29', '%2C', '%2F' );
if ( !isset( $_SERVER['SERVER_SOFTWARE'] ) || ( strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7' ) === false ) ) {
/**
* This function takes two arrays as input, and returns a CGI-style string, e.g.
* "days=7&limit=100". Options in the first array override options in the second.
- * Options set to "" will not be output.
+ * Options set to null or false will not be output.
*
* @param $array1 Array ( String|Array )
* @param $array2 Array ( String|Array )
$cgi = '';
foreach ( $array1 as $key => $value ) {
- if ( $value !== '' ) {
+ if ( !is_null($value) && $value !== false ) {
if ( $cgi != '' ) {
$cgi .= '&';
}
* This is the logical opposite of wfArrayToCGI(): it accepts a query string as
* its argument and returns the same string in array form. This allows compa-
* tibility with legacy functions that accept raw query strings instead of nice
- * arrays. Of course, keys and values are urldecode()d. Don't try passing in-
- * valid query strings, or it will explode.
+ * arrays. Of course, keys and values are urldecode()d.
*
* @param $query String: query string
* @return array Array version of input
if ( $bit === '' ) {
continue;
}
- list( $key, $value ) = explode( '=', $bit );
+ if ( strpos( $bit, '=' ) === false ) {
+ // Pieces like &qwerty become 'qwerty' => '' (at least this is what php does)
+ $key = $bit;
+ $value = '';
+ } else {
+ list( $key, $value ) = explode( '=', $bit );
+ }
$key = urldecode( $key );
$value = urldecode( $value );
if ( strpos( $key, '[' ) !== false ) {
/**
* Expand a potentially local URL to a fully-qualified URL. Assumes $wgServer
* is correct.
- *
+ *
* The meaning of the PROTO_* constants is as follows:
* PROTO_HTTP: Output a URL starting with http://
* PROTO_HTTPS: Output a URL starting with https://
* PROTO_RELATIVE: Output a URL starting with // (protocol-relative URL)
* PROTO_CURRENT: Output a URL starting with either http:// or https:// , depending on which protocol was used for the current incoming request
+ * PROTO_CANONICAL: For URLs without a domain, like /w/index.php , use $wgCanonicalServer. For protocol-relative URLs, use the protocol of $wgCanonicalServer
+ * PROTO_INTERNAL: Like PROTO_CANONICAL, but uses $wgInternalServer instead of $wgCanonicalServer
*
* @todo this won't work with current-path-relative URLs
* like "subdir/foo.html", etc.
*
* @param $url String: either fully-qualified or a local path + query
- * @param $defaultProto Mixed: one of the PROTO_* constants. Determines the protocol to use if $url or $wgServer is protocol-relative
- * @return string Fully-qualified URL
+ * @param $defaultProto Mixed: one of the PROTO_* constants. Determines the
+ * protocol to use if $url or $wgServer is
+ * protocol-relative
+ * @return string Fully-qualified URL, current-path-relative URL or false if
+ * no valid URL can be constructed
*/
function wfExpandUrl( $url, $defaultProto = PROTO_CURRENT ) {
- global $wgServer;
+ global $wgServer, $wgCanonicalServer, $wgInternalServer;
+ $serverUrl = $wgServer;
+ if ( $defaultProto === PROTO_CANONICAL ) {
+ $serverUrl = $wgCanonicalServer;
+ }
+ // Make $wgInternalServer fall back to $wgServer if not set
+ if ( $defaultProto === PROTO_INTERNAL && $wgInternalServer !== false ) {
+ $serverUrl = $wgInternalServer;
+ }
if ( $defaultProto === PROTO_CURRENT ) {
$defaultProto = WebRequest::detectProtocol() . '://';
}
-
- // Analyze $wgServer to obtain its protocol
- $bits = wfParseUrl( $wgServer );
+
+ // Analyze $serverUrl to obtain its protocol
+ $bits = wfParseUrl( $serverUrl );
$serverHasProto = $bits && $bits['scheme'] != '';
+
+ if ( $defaultProto === PROTO_CANONICAL || $defaultProto === PROTO_INTERNAL ) {
+ if ( $serverHasProto ) {
+ $defaultProto = $bits['scheme'] . '://';
+ } else {
+ // $wgCanonicalServer or $wgInternalServer doesn't have a protocol. This really isn't supposed to happen
+ // Fall back to HTTP in this ridiculous case
+ $defaultProto = PROTO_HTTP;
+ }
+ }
+
$defaultProtoWithoutSlashes = substr( $defaultProto, 0, -2 );
-
- if( substr( $url, 0, 2 ) == '//' ) {
- return $defaultProtoWithoutSlashes . $url;
- } elseif( substr( $url, 0, 1 ) == '/' ) {
- // If $wgServer is protocol-relative, prepend $defaultProtoWithoutSlashes, otherwise leave it alone
- return ( $serverHasProto ? '' : $defaultProtoWithoutSlashes ) . $wgServer . $url;
- } else {
+
+ if ( substr( $url, 0, 2 ) == '//' ) {
+ $url = $defaultProtoWithoutSlashes . $url;
+ } elseif ( substr( $url, 0, 1 ) == '/' ) {
+ // If $serverUrl is protocol-relative, prepend $defaultProtoWithoutSlashes, otherwise leave it alone
+ $url = ( $serverHasProto ? '' : $defaultProtoWithoutSlashes ) . $serverUrl . $url;
+ }
+
+ $bits = wfParseUrl( $url );
+ if ( $bits && isset( $bits['path'] ) ) {
+ $bits['path'] = wfRemoveDotSegments( $bits['path'] );
+ return wfAssembleUrl( $bits );
+ } elseif ( $bits ) {
+ # No path to expand
return $url;
+ } elseif ( substr( $url, 0, 1 ) != '/' ) {
+ # URL is a relative path
+ return wfRemoveDotSegments( $url );
+ }
+
+ # Expanded URL is not valid.
+ return false;
+}
+
+/**
+ * This function will reassemble a URL parsed with wfParseURL. This is useful
+ * if you need to edit part of a URL and put it back together.
+ *
+ * This is the basic structure used (brackets contain keys for $urlParts):
+ * [scheme][delimiter][user]:[pass]@[host]:[port][path]?[query]#[fragment]
+ *
+ * @todo Need to integrate this into wfExpandUrl (bug 32168)
+ *
+ * @param $urlParts Array URL parts, as output from wfParseUrl
+ * @return string URL assembled from its component parts
+ */
+function wfAssembleUrl( $urlParts ) {
+ $result = '';
+
+ if ( isset( $urlParts['delimiter'] ) ) {
+ if ( isset( $urlParts['scheme'] ) ) {
+ $result .= $urlParts['scheme'];
+ }
+
+ $result .= $urlParts['delimiter'];
+ }
+
+ if ( isset( $urlParts['host'] ) ) {
+ if ( isset( $urlParts['user'] ) ) {
+ $result .= $urlParts['user'];
+ if ( isset( $urlParts['pass'] ) ) {
+ $result .= ':' . $urlParts['pass'];
+ }
+ $result .= '@';
+ }
+
+ $result .= $urlParts['host'];
+
+ if ( isset( $urlParts['port'] ) ) {
+ $result .= ':' . $urlParts['port'];
+ }
+ }
+
+ if ( isset( $urlParts['path'] ) ) {
+ $result .= $urlParts['path'];
+ }
+
+ if ( isset( $urlParts['query'] ) ) {
+ $result .= '?' . $urlParts['query'];
+ }
+
+ if ( isset( $urlParts['fragment'] ) ) {
+ $result .= '#' . $urlParts['fragment'];
+ }
+
+ return $result;
+}
+
+/**
+ * Remove all dot-segments in the provided URL path. For example,
+ * '/a/./b/../c/' becomes '/a/c/'. For details on the algorithm, please see
+ * RFC3986 section 5.2.4.
+ *
+ * @todo Need to integrate this into wfExpandUrl (bug 32168)
+ *
+ * @param $urlPath String URL path, potentially containing dot-segments
+ * @return string URL path with all dot-segments removed
+ */
+function wfRemoveDotSegments( $urlPath ) {
+ $output = '';
+
+ while ( $urlPath ) {
+ $matches = null;
+ if ( preg_match('%^\.\.?/%', $urlPath, $matches) ) {
+ # Step A, remove leading "../" or "./"
+ $urlPath = substr( $urlPath, strlen( $matches[0] ) );
+ } elseif ( preg_match( '%^/\.(/|$)%', $urlPath, $matches ) ) {
+ # Step B, replace leading "/.$" or "/./" with "/"
+ $start = strlen( $matches[0] );
+ $urlPath = '/' . substr( $urlPath, $start );
+ } elseif ( preg_match( '%^/\.\.(/|$)%', $urlPath, $matches ) ) {
+ # Step C, replace leading "/..$" or "/../" with "/" and
+ # remove last path component in output
+ $start = strlen( $matches[0] );
+ $urlPath = '/' . substr( $urlPath, $start );
+ $output = preg_replace('%(^|/)[^/]*$%', '', $output);
+ } elseif ( preg_match( '%^\.\.?$%', $urlPath, $matches ) ) {
+ # Step D, remove "^..$" or "^.$"
+ $urlPath = '';
+ } else {
+ # Step E, move leading path segment to output
+ preg_match( '%^/?[^/]*%', $urlPath, $matches );
+ $urlPath = substr( $urlPath, strlen( $matches[0] ) );
+ $output .= $matches[0];
+ }
}
+
+ return $output;
}
/**
* Returns a regular expression of url protocols
*
+ * @param $includeProtocolRelative bool If false, remove '//' from the returned protocol list.
+ * DO NOT USE this directly, use wfUrlProtocolsWithoutProtRel() instead
* @return String
*/
-function wfUrlProtocols() {
+function wfUrlProtocols( $includeProtocolRelative = true ) {
global $wgUrlProtocols;
- static $retval = null;
- if ( !is_null( $retval ) ) {
- return $retval;
+ // Cache return values separately based on $includeProtocolRelative
+ static $withProtRel = null, $withoutProtRel = null;
+ $cachedValue = $includeProtocolRelative ? $withProtRel : $withoutProtRel;
+ if ( !is_null( $cachedValue ) ) {
+ return $cachedValue;
}
// Support old-style $wgUrlProtocols strings, for backwards compatibility
if ( is_array( $wgUrlProtocols ) ) {
$protocols = array();
foreach ( $wgUrlProtocols as $protocol ) {
- $protocols[] = preg_quote( $protocol, '/' );
+ // Filter out '//' if !$includeProtocolRelative
+ if ( $includeProtocolRelative || $protocol !== '//' ) {
+ $protocols[] = preg_quote( $protocol, '/' );
+ }
}
$retval = implode( '|', $protocols );
} else {
+ // Ignore $includeProtocolRelative in this case
+ // This case exists for pre-1.6 compatibility, and we can safely assume
+ // that '//' won't appear in a pre-1.6 config because protocol-relative
+ // URLs weren't supported until 1.18
$retval = $wgUrlProtocols;
}
+
+ // Cache return value
+ if ( $includeProtocolRelative ) {
+ $withProtRel = $retval;
+ } else {
+ $withoutProtRel = $retval;
+ }
return $retval;
}
+/**
+ * Like wfUrlProtocols(), but excludes '//' from the protocol list. Use this if
+ * you need a regex that matches all URL protocols but does not match protocol-
+ * relative URLs
+ * @return String
+ */
+function wfUrlProtocolsWithoutProtRel() {
+ return wfUrlProtocols( false );
+}
+
/**
* parse_url() work-alike, but non-broken. Differences:
*
}
/**
- * Make a URL index, appropriate for the el_index field of externallinks.
+ * Make URL indexes, appropriate for the el_index field of externallinks.
*
* @param $url String
- * @return String
+ * @return array
*/
-function wfMakeUrlIndex( $url ) {
+function wfMakeUrlIndexes( $url ) {
$bits = wfParseUrl( $url );
// Reverse the labels in the hostname, convert to lower case
if ( isset( $bits['fragment'] ) ) {
$index .= '#' . $bits['fragment'];
}
- return $index;
+
+ if ( $prot == '' ) {
+ return array( "http:$index", "https:$index" );
+ } else {
+ return array( $index );
+ }
+}
+
+/**
+ * Check whether a given URL has a domain that occurs in a given set of domains
+ * @param $url string URL
+ * @param $domains array Array of domains (strings)
+ * @return bool True if the host part of $url ends in one of the strings in $domains
+ */
+function wfMatchesDomainList( $url, $domains ) {
+ $bits = wfParseUrl( $url );
+ if ( is_array( $bits ) && isset( $bits['host'] ) ) {
+ foreach ( (array)$domains as $domain ) {
+ // FIXME: This gives false positives. http://nds-nl.wikipedia.org will match nl.wikipedia.org
+ // We should use something that interprets dots instead
+ if ( substr( $bits['host'], -strlen( $domain ) ) === $domain ) {
+ return true;
+ }
+ }
+ }
+ return false;
}
/**
wfErrorLog( $text, $wgDebugLogFile );
}
}
+
+ MWDebug::debugMsg( $text );
}
/**
} else {
$prefix = sprintf( "%6.4f", microtime( true ) - $start );
}
-
- return $prefix . ' ';
+ $mem = sprintf( "%5.1fM", ( memory_get_usage( true ) / (1024*1024) ) );
+ return "$prefix $mem " ;
}
/**
$text = preg_replace( '/^/m', $prefix . ' ', $text );
// Limit to 64KB
- if ( strlen( $text ) > 65534 ) {
- $text = substr( $text, 0, 65534 );
+ if ( strlen( $text ) > 65506 ) {
+ $text = substr( $text, 0, 65506 );
}
if ( substr( $text, -1 ) != "\n" ) {
$text .= "\n";
}
- } elseif ( strlen( $text ) > 65535 ) {
- $text = substr( $text, 0, 65535 );
+ } elseif ( strlen( $text ) > 65507 ) {
+ $text = substr( $text, 0, 65507 );
}
$sock = socket_create( $domain, SOCK_DGRAM, SOL_UDP );
if ( !$sock ) {
return;
}
+
socket_sendto( $sock, $text, strlen( $text ), 0, $host, $port );
socket_close( $sock );
} else {
return (bool)$wgReadOnly;
}
+/**
+ * @return bool
+ */
function wfReadOnlyReason() {
global $wgReadOnly;
wfReadOnly();
* a valid code create a language for that language, if
* it is a string but not a valid code then make a basic
* language object
- * - a boolean: if it's false then use the current users
- * language (as a fallback for the old parameter
- * functionality), or if it is true then use the wikis
+ * - a boolean: if it's false then use the global object for
+ * the current user's language (as a fallback for the old parameter
+ * functionality), or if it is true then use global object
+ * for the wiki's content language.
* @return Language object
*/
function wfGetLangObj( $langcode = false ) {
* @return Language
*/
function wfUILang() {
+ wfDeprecated( __METHOD__, '1.18' );
global $wgLang;
return $wgLang;
}
* Throw a debugging exception. This function previously once exited the process,
* but now throws an exception instead, with similar results.
*
- * @param $msg String: message shown when dieing.
+ * @param $msg String: message shown when dying.
*/
function wfDebugDieBacktrace( $msg = '' ) {
throw new MWException( $msg );
* debug_backtrace is disabled, otherwise the output from
* debug_backtrace() (trimmed).
*
+ * @param $limit int This parameter can be used to limit the number of stack frames returned
+ *
* @return array of backtrace information
*/
function wfDebugBacktrace( $limit = 0 ) {
}
if ( $limit && version_compare( PHP_VERSION, '5.4.0', '>=' ) ) {
- return array_slice( debug_backtrace( DEBUG_BACKTRACE_PROVIDE_OBJECT, 1 ), 1 );
+ return array_slice( debug_backtrace( DEBUG_BACKTRACE_PROVIDE_OBJECT, $limit ), 1 );
} else {
return array_slice( debug_backtrace(), 1 );
}
* @param $query String: optional URL query parameter string
* @param $atend Bool: optional param for specified if this is the last page
* @return String
+ * @deprecated in 1.19; use Language::viewPrevNext() instead
*/
function wfViewPrevNext( $offset, $limit, $link, $query = '', $atend = false ) {
+ wfDeprecated( __METHOD__, '1.19' );
+
global $wgLang;
- $fmtLimit = $wgLang->formatNum( $limit );
- // @todo FIXME: Why on earth this needs one message for the text and another one for tooltip?
- # Get prev/next link display text
- $prev = wfMsgExt( 'prevn', array( 'parsemag', 'escape' ), $fmtLimit );
- $next = wfMsgExt( 'nextn', array( 'parsemag', 'escape' ), $fmtLimit );
- # Get prev/next link title text
- $pTitle = wfMsgExt( 'prevn-title', array( 'parsemag', 'escape' ), $fmtLimit );
- $nTitle = wfMsgExt( 'nextn-title', array( 'parsemag', 'escape' ), $fmtLimit );
- # Fetch the title object
+
+ $query = wfCgiToArray( $query );
+
if( is_object( $link ) ) {
- $title =& $link;
+ $title = $link;
} else {
$title = Title::newFromText( $link );
if( is_null( $title ) ) {
return false;
}
}
- # Make 'previous' link
- if( 0 != $offset ) {
- $po = $offset - $limit;
- $po = max( $po, 0 );
- $q = "limit={$limit}&offset={$po}";
- if( $query != '' ) {
- $q .= '&' . $query;
- }
- $plink = '<a href="' . $title->escapeLocalURL( $q ) . "\" title=\"{$pTitle}\" class=\"mw-prevlink\">{$prev}</a>";
- } else {
- $plink = $prev;
- }
- # Make 'next' link
- $no = $offset + $limit;
- $q = "limit={$limit}&offset={$no}";
- if( $query != '' ) {
- $q .= '&' . $query;
- }
- if( $atend ) {
- $nlink = $next;
- } else {
- $nlink = '<a href="' . $title->escapeLocalURL( $q ) . "\" title=\"{$nTitle}\" class=\"mw-nextlink\">{$next}</a>";
- }
- # Make links to set number of items per page
- $nums = $wgLang->pipeList( array(
- wfNumLink( $offset, 20, $title, $query ),
- wfNumLink( $offset, 50, $title, $query ),
- wfNumLink( $offset, 100, $title, $query ),
- wfNumLink( $offset, 250, $title, $query ),
- wfNumLink( $offset, 500, $title, $query )
- ) );
- return wfMsgHtml( 'viewprevnext', $plink, $nlink, $nums );
+
+ return $wgLang->viewPrevNext( $title, $offset, $limit, $query, $atend );
}
/**
- * Generate links for (20|50|100...) items-per-page links
+ * Make a list item, used by various special pages
*
- * @param $offset String
- * @param $limit Integer
- * @param $title Title
- * @param $query String: optional URL query parameter string
+ * @param $page String Page link
+ * @param $details String Text between brackets
+ * @param $oppositedm Boolean Add the direction mark opposite to your
+ * language, to display text properly
+ * @return String
+ * @deprecated since 1.19; use Language::specialList() instead
*/
-function wfNumLink( $offset, $limit, $title, $query = '' ) {
+function wfSpecialList( $page, $details, $oppositedm = true ) {
global $wgLang;
- if( $query == '' ) {
- $q = '';
- } else {
- $q = $query.'&';
- }
- $q .= "limit={$limit}&offset={$offset}";
- $fmtLimit = $wgLang->formatNum( $limit );
- $lTitle = wfMsgExt( 'shown-title', array( 'parsemag', 'escape' ), $limit );
- $s = '<a href="' . $title->escapeLocalURL( $q ) . "\" title=\"{$lTitle}\" class=\"mw-numlink\">{$fmtLimit}</a>";
- return $s;
+ return $wgLang->specialList( $page, $details, $oppositedm );
}
/**
$result = false;
return $result;
}
- wfDebug( " accepts gzip\n" );
+ wfDebug( "wfClientAcceptsGzip: client accepts gzip.\n" );
$result = true;
}
}
* @param $dest Int
* @param $bit Int
* @param $state Bool
+ *
+ * @return bool
*/
function wfSetBit( &$dest, $bit, $state = true ) {
$temp = (bool)( $dest & $bit );
}
/**
- * Windows-compatible version of escapeshellarg()
- * Windows doesn't recognise single-quotes in the shell, but the escapeshellarg()
- * function puts single quotes in regardless of OS.
+ * A wrapper around the PHP function var_export().
+ * Either print it or add it to the regular output ($wgOut).
*
- * Also fixes the locale problems on Linux in PHP 5.2.6+ (bug backported to
- * earlier distro releases of PHP)
+ * @param $var A PHP variable to dump.
+ */
+function wfVarDump( $var ) {
+ global $wgOut;
+ $s = str_replace( "\n", "<br />\n", var_export( $var, true ) . "\n" );
+ if ( headers_sent() || !isset( $wgOut ) || !is_object( $wgOut ) ) {
+ print $s;
+ } else {
+ $wgOut->addHTML( $s );
+ }
+}
+
+/**
+ * Provide a simple HTTP error.
*
- * @param varargs
- * @return String
+ * @param $code Int|String
+ * @param $label String
+ * @param $desc String
*/
-function wfEscapeShellArg( ) {
- wfInitShellLocale();
+function wfHttpError( $code, $label, $desc ) {
+ global $wgOut;
+ $wgOut->disable();
+ header( "HTTP/1.0 $code $label" );
+ header( "Status: $code $label" );
+ $wgOut->sendCacheControl();
- $args = func_get_args();
- $first = true;
- $retVal = '';
- foreach ( $args as $arg ) {
- if ( !$first ) {
- $retVal .= ' ';
- } else {
- $first = false;
- }
+ header( 'Content-type: text/html; charset=utf-8' );
+ print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">".
+ '<html><head><title>' .
+ htmlspecialchars( $label ) .
+ '</title></head><body><h1>' .
+ htmlspecialchars( $label ) .
+ '</h1><p>' .
+ nl2br( htmlspecialchars( $desc ) ) .
+ "</p></body></html>\n";
+}
- 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;
+/**
+ * Clear away any user-level output buffers, discarding contents.
+ *
+ * Suitable for 'starting afresh', for instance when streaming
+ * relatively large amounts of data without buffering, or wanting to
+ * output image files without ob_gzhandler's compression.
+ *
+ * The optional $resetGzipEncoding parameter controls suppression of
+ * the Content-Encoding header sent by ob_gzhandler; by default it
+ * is left. See comments for wfClearOutputBuffers() for why it would
+ * be used.
+ *
+ * Note that some PHP configuration options may add output buffer
+ * layers which cannot be removed; these are left in place.
+ *
+ * @param $resetGzipEncoding Bool
+ */
+function wfResetOutputBuffers( $resetGzipEncoding = true ) {
+ if( $resetGzipEncoding ) {
+ // Suppress Content-Encoding and Content-Length
+ // headers from 1.10+s wfOutputHandler
+ global $wgDisableOutputCompression;
+ $wgDisableOutputCompression = true;
+ }
+ while( $status = ob_get_status() ) {
+ if( $status['type'] == 0 /* PHP_OUTPUT_HANDLER_INTERNAL */ ) {
+ // Probably from zlib.output_compression or other
+ // PHP-internal setting which can't be removed.
+ //
+ // Give up, and hope the result doesn't break
+ // output behavior.
+ break;
+ }
+ if( !ob_end_clean() ) {
+ // Could not remove output buffer handler; abort now
+ // to avoid getting in some kind of infinite loop.
+ break;
+ }
+ if( $resetGzipEncoding ) {
+ if( $status['name'] == 'ob_gzhandler' ) {
+ // Reset the 'Content-Encoding' field set by this handler
+ // so we can start fresh.
+ if ( function_exists( 'header_remove' ) ) {
+ // Available since PHP 5.3.0
+ header_remove( 'Content-Encoding' );
+ } else {
+ // We need to provide a valid content-coding. See bug 28069
+ header( 'Content-Encoding: identity' );
}
- $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] );
+ break;
}
-
- // 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).
- *
- * @param $var A PHP variable to dump.
- */
-function wfVarDump( $var ) {
- global $wgOut;
- $s = str_replace( "\n", "<br />\n", var_export( $var, true ) . "\n" );
- if ( headers_sent() || !isset( $wgOut ) || !is_object( $wgOut ) ) {
- print $s;
- } else {
- $wgOut->addHTML( $s );
- }
-}
-
-/**
- * Provide a simple HTTP error.
- *
- * @param $code Int|String
- * @param $label String
- * @param $desc String
- */
-function wfHttpError( $code, $label, $desc ) {
- global $wgOut;
- $wgOut->disable();
- header( "HTTP/1.0 $code $label" );
- header( "Status: $code $label" );
- $wgOut->sendCacheControl();
-
- header( 'Content-type: text/html; charset=utf-8' );
- print "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">".
- '<html><head><title>' .
- htmlspecialchars( $label ) .
- '</title></head><body><h1>' .
- htmlspecialchars( $label ) .
- '</h1><p>' .
- nl2br( htmlspecialchars( $desc ) ) .
- "</p></body></html>\n";
-}
-
-/**
- * Clear away any user-level output buffers, discarding contents.
- *
- * Suitable for 'starting afresh', for instance when streaming
- * relatively large amounts of data without buffering, or wanting to
- * output image files without ob_gzhandler's compression.
- *
- * The optional $resetGzipEncoding parameter controls suppression of
- * the Content-Encoding header sent by ob_gzhandler; by default it
- * is left. See comments for wfClearOutputBuffers() for why it would
- * be used.
- *
- * Note that some PHP configuration options may add output buffer
- * layers which cannot be removed; these are left in place.
- *
- * @param $resetGzipEncoding Bool
- */
-function wfResetOutputBuffers( $resetGzipEncoding = true ) {
- if( $resetGzipEncoding ) {
- // Suppress Content-Encoding and Content-Length
- // headers from 1.10+s wfOutputHandler
- global $wgDisableOutputCompression;
- $wgDisableOutputCompression = true;
- }
- while( $status = ob_get_status() ) {
- if( $status['type'] == 0 /* PHP_OUTPUT_HANDLER_INTERNAL */ ) {
- // Probably from zlib.output_compression or other
- // PHP-internal setting which can't be removed.
- //
- // Give up, and hope the result doesn't break
- // output behavior.
- break;
- }
- if( !ob_end_clean() ) {
- // Could not remove output buffer handler; abort now
- // to avoid getting in some kind of infinite loop.
- break;
- }
- if( $resetGzipEncoding ) {
- if( $status['name'] == 'ob_gzhandler' ) {
- // Reset the 'Content-Encoding' field set by this handler
- // so we can start fresh.
- if ( function_exists( 'header_remove' ) ) {
- // Available since PHP 5.3.0
- header_remove( 'Content-Encoding' );
- } else {
- // We need to provide a valid content-coding. See bug 28069
- header( 'Content-Encoding: identity' );
- }
- break;
- }
- }
- }
-}
-
-/**
- * More legible than passing a 'false' parameter to wfResetOutputBuffers():
+ * More legible than passing a 'false' parameter to wfResetOutputBuffers():
*
* Clear away output buffers, but keep the Content-Encoding header
* produced by ob_gzhandler, if any.
function wfNegotiateType( $cprefs, $sprefs ) {
$combine = array();
- foreach( array_keys($sprefs) as $type ) {
+ foreach( array_keys( $sprefs ) as $type ) {
$parts = explode( '/', $type );
if( $parts[1] != '*' ) {
$ckey = mimeTypeMatch( $type, $cprefs );
} else {
if ( !$suppressCount ) {
// E_DEPRECATED is undefined in PHP 5.2
- if( !defined( 'E_DEPRECATED' ) ){
+ if( !defined( 'E_DEPRECATED' ) ) {
define( 'E_DEPRECATED', 8192 );
}
$originalLevel = error_reporting( E_ALL & ~( E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED ) );
} elseif ( preg_match( '/^-?\d{1,13}$/D', $ts ) ) {
# TS_UNIX
$uts = $ts;
- $strtime = "@$ts"; // Undocumented?
+ $strtime = "@$ts"; // http://php.net/manual/en/datetime.formats.compound.php
} elseif ( preg_match( '/^\d{2}-\d{2}-\d{4} \d{2}:\d{2}:\d{2}.\d{6}$/', $ts ) ) {
# TS_ORACLE // session altered to DD-MM-YYYY HH24:MI:SS.FF6
$strtime = preg_replace( '/(\d\d)\.(\d\d)\.(\d\d)(\.(\d+))?/', "$1:$2:$3",
# TS_POSTGRES
} elseif ( preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.*\d* GMT$/', $ts, $da ) ) {
# TS_POSTGRES
- } elseif (preg_match('/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.\d\d\d$/',$ts,$da)) {
+ } elseif (preg_match( '/^(\d{4})\-(\d\d)\-(\d\d) (\d\d):(\d\d):(\d\d)\.\d\d\d$/', $ts, $da ) ) {
# TS_DB2
} elseif ( preg_match( '/^[ \t\r\n]*([A-Z][a-z]{2},[ \t\r\n]*)?' . # Day of week
'\d\d?[ \t\r\n]*[A-Z][a-z]{2}[ \t\r\n]*\d{2}(?:\d{2})?' . # dd Mon yyyy
function wfMkdirParents( $dir, $mode = null, $caller = null ) {
global $wgDirectoryMode;
+ if ( FileBackend::isStoragePath( $dir ) ) { // sanity
+ throw new MWException( __FUNCTION__ . " given storage path `$dir`.");
+ }
+
if ( !is_null( $caller ) ) {
- wfDebug( "$caller: called wfMkdirParents($dir)" );
+ wfDebug( "$caller: called wfMkdirParents($dir)\n" );
}
if( strval( $dir ) === '' || file_exists( $dir ) ) {
return $func( $str, $needle ) !== false;
}
-/**
- * Make a list item, used by various special pages
- *
- * @param $page String Page link
- * @param $details String Text between brackets
- * @param $oppositedm Boolean Add the direction mark opposite to your
- * language, to display text properly
- * @return String
- */
-function wfSpecialList( $page, $details, $oppositedm = true ) {
- global $wgLang;
- $dirmark = ( $oppositedm ? $wgLang->getDirMark( true ) : '' ) .
- $wgLang->getDirMark();
- $details = $details ? $dirmark . " ($details)" : '';
- return $page . $details;
-}
-
/**
* Safety wrapper around ini_get() for boolean settings.
* The values returned from ini_get() are pre-normalized for settings
return true;
}
- $canDl = false;
- $sapi = php_sapi_name();
- if( version_compare( PHP_VERSION, '5.3.0', '<' ) ||
- $sapi == 'cli' || $sapi == 'cgi' || $sapi == 'embed' )
- {
- $canDl = ( function_exists( 'dl' ) && is_callable( 'dl' )
- && wfIniGetBool( 'enable_dl' ) && !wfIniGetBool( 'safe_mode' ) );
- }
+ $canDl = false;
+ $sapi = php_sapi_name();
+ if( version_compare( PHP_VERSION, '5.3.0', '<' ) ||
+ $sapi == 'cli' || $sapi == 'cgi' || $sapi == 'embed' )
+ {
+ $canDl = ( function_exists( 'dl' ) && is_callable( 'dl' )
+ && wfIniGetBool( 'enable_dl' ) && !wfIniGetBool( 'safe_mode' ) );
+ }
+
+ if( $canDl ) {
+ $fileName = $fileName ? $fileName : $extension;
+ if( wfIsWindows() ) {
+ $fileName = 'php_' . $fileName;
+ }
+ wfSuppressWarnings();
+ dl( $fileName . '.' . PHP_SHLIB_SUFFIX );
+ wfRestoreWarnings();
+ }
+ 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] );
+ }
- if( $canDl ) {
- $fileName = $fileName ? $fileName : $extension;
- if( wfIsWindows() ) {
- $fileName = 'php_' . $fileName;
+ // Add surrounding quotes
+ $retVal .= '"' . $arg . '"';
+ } else {
+ $retVal .= escapeshellarg( $arg );
}
- wfSuppressWarnings();
- dl( $fileName . '.' . PHP_SHLIB_SUFFIX );
- wfRestoreWarnings();
}
- return extension_loaded( $extension );
+ return $retVal;
}
/**
}
}
+/**
+ * Generate a shell-escaped command line string to run a maintenance script.
+ * Note that $parameters should be a flat array and an option with an argument
+ * should consist of two consecutive items in the array (do not use "--option value").
+ * @param $script string MediaWiki maintenance script path
+ * @param $parameters Array Arguments and options to the script
+ * @param $options Array Associative array of options:
+ * 'php': The path to the php executable
+ * 'wrapper': Path to a PHP wrapper to handle the maintenance script
+ * @return Array
+ */
+function wfShellMaintenanceCmd( $script, array $parameters = array(), array $options = array() ) {
+ global $wgPhpCli;
+ // Give site config file a chance to run the script in a wrapper.
+ // The caller may likely want to call wfBasename() on $script.
+ wfRunHooks( 'wfShellMaintenanceCmd', array( &$script, &$parameters, &$options ) );
+ $cmd = isset( $options['php'] ) ? array( $options['php'] ) : array( $wgPhpCli );
+ if ( isset( $options['wrapper'] ) ) {
+ $cmd[] = $options['wrapper'];
+ }
+ $cmd[] = $script;
+ // Escape each parameter for shell
+ 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
/**
* Do any deferred updates and clear the list
*
- * @param $commit String: set to 'commit' to commit after every update to
- * prevent lock contention
+ * @deprecated since 1.19
+ * @see DeferredUpdates::doUpdate()
+ * @param $commit string
*/
function wfDoUpdates( $commit = '' ) {
- global $wgDeferredUpdateList;
-
- wfProfileIn( __METHOD__ );
-
- // No need to get master connections in case of empty updates array
- if ( !count( $wgDeferredUpdateList ) ) {
- wfProfileOut( __METHOD__ );
- return;
- }
-
- $doCommit = $commit == 'commit';
- if ( $doCommit ) {
- $dbw = wfGetDB( DB_MASTER );
- }
-
- foreach ( $wgDeferredUpdateList as $update ) {
- $update->doUpdate();
-
- if ( $doCommit && $dbw->trxLevel() ) {
- $dbw->commit();
- }
- }
-
- $wgDeferredUpdateList = array();
- wfProfileOut( __METHOD__ );
+ wfDeprecated( __METHOD__, '1.19' );
+ DeferredUpdates::doUpdates( $commit );
}
/**
*
* @param $name String
* @param $p Array: parameters
+ * @return object
* @deprecated since 1.18, warnings in 1.18, removal in 1.20
*/
function wfCreateObject( $name, $p ) {
- wfDeprecated( __FUNCTION__ );
+ wfDeprecated( __FUNCTION__, '1.18' );
return MWFunction::newObj( $name, $p );
}
+/**
+ * @return bool
+ */
function wfHttpOnlySafe() {
global $wgHttpOnlyBlacklist;
* @return String
*/
function wfMemcKey( /*... */ ) {
+ global $wgCachePrefix;
+ $prefix = $wgCachePrefix === false ? wfWikiID() : $wgCachePrefix;
$args = func_get_args();
- $key = wfWikiID() . ':' . implode( ':', $args );
+ $key = $prefix . ':' . implode( ':', $args );
$key = str_replace( ' ', '_', $key );
return $key;
}
* Split a wiki ID into DB name and table prefix
*
* @param $wiki String
- * @param $bits String
+ *
+ * @return array
*/
function wfSplitWikiID( $wiki ) {
$bits = explode( '-', $wiki, 2 );
* Returns a valid placeholder object if the file does not exist.
*
* @param $title Title or String
- * @return File, or null if passed an invalid Title
+ * @return File|null A File, or null if passed an invalid Title
*/
function wfLocalFile( $title ) {
return RepoGroup::singleton()->getLocalRepo()->newFile( $title );
}
+/**
+ * Stream a file to the browser. Back-compat alias for StreamFile::stream()
+ * @deprecated since 1.19
+ */
+function wfStreamFile( $fname, $headers = array() ) {
+ wfDeprecated( __FUNCTION__, '1.19' );
+ StreamFile::stream( $fname, $headers );
+}
+
/**
* Should low-performance queries be disabled?
*
* @codeCoverageIgnore
*/
function wfLoadExtensionMessages() {
- wfDeprecated( __FUNCTION__ );
+ wfDeprecated( __FUNCTION__, '1.16' );
}
/**
* Throws a warning that $function is deprecated
*
* @param $function String
+ * @param $version String|false: Added in 1.19.
+ * @param $component String|false: Added in 1.19.
+ *
* @return null
*/
-function wfDeprecated( $function ) {
+function wfDeprecated( $function, $version = false, $component = false ) {
static $functionsWarned = array();
- if ( !isset( $functionsWarned[$function] ) ) {
+
+ MWDebug::deprecated( $function, $version, $component );
+
+ if ( !in_array( $function, $GLOBALS['wgDeprecationWhitelist'] ) && !isset( $functionsWarned[$function] ) ) {
$functionsWarned[$function] = true;
- wfWarn( "Use of $function is deprecated.", 2 );
+
+ if ( $version ) {
+ global $wgDeprecationReleaseLimit;
+
+ if ( $wgDeprecationReleaseLimit && $component === false ) {
+ # Strip -* off the end of $version so that branches can use the
+ # format #.##-branchname to avoid issues if the branch is merged into
+ # a version of MediaWiki later than what it was branched from
+ $comparableVersion = preg_replace( '/-.*$/', '', $version );
+
+ # If the comparableVersion is larger than our release limit then
+ # skip the warning message for the deprecation
+ if ( version_compare( $wgDeprecationReleaseLimit, $comparableVersion, '<' ) ) {
+ return;
+ }
+ }
+
+ $component = $component === false ? 'MediaWiki' : $component;
+ wfWarn( "Use of $function was deprecated in $component $version.", 2 );
+ } else {
+ wfWarn( "Use of $function is deprecated.", 2 );
+ }
}
}
function wfWarn( $msg, $callerOffset = 1, $level = E_USER_NOTICE ) {
global $wgDevelopmentWarnings;
+ MWDebug::warning( $msg, $callerOffset + 2 );
+
$callers = wfDebugBacktrace();
if ( isset( $callers[$callerOffset + 1] ) ) {
$callerfunc = $callers[$callerOffset + 1];
*
* @param $maxLag Integer (deprecated)
* @param $wiki mixed Wiki identifier accepted by wfGetLB
- * @return null
*/
function wfWaitForSlaves( $maxLag = false, $wiki = false ) {
$lb = wfGetLB( $wiki );
* @deprecated since 1.18, warnings in 1.18, remove in 1.20
*/
function wfOut( $s ) {
- wfDeprecated( __METHOD__ );
+ wfDeprecated( __FUNCTION__, '1.18' );
global $wgCommandLineMode;
if ( $wgCommandLineMode ) {
echo $s;
* Count down from $n to zero on the terminal, with a one-second pause
* between showing each number. For use in command-line scripts.
* @codeCoverageIgnore
+ * @param $n int
*/
function wfCountDown( $n ) {
for ( $i = $n; $i >= 0; $i-- ) {
* See unit test for examples.
*
* @param $code String: The language code.
- * @return $langCode String: The language code which complying with BCP 47 standards.
+ * @return String: The language code which complying with BCP 47 standards.
*/
function wfBCP47( $code ) {
$codeSegment = explode( '-', $code );
foreach ( $codeSegment as $segNo => $seg ) {
if ( count( $codeSegment ) > 0 ) {
// when previous segment is x, it is a private segment and should be lc
- if( $segNo > 0 && strtolower( $codeSegment[($segNo - 1)] ) == 'x') {
+ if( $segNo > 0 && strtolower( $codeSegment[( $segNo - 1 )] ) == 'x' ) {
$codeBCP[$segNo] = strtolower( $seg );
// ISO 3166 country code
} elseif ( ( strlen( $seg ) == 2 ) && ( $segNo > 0 ) ) {
function wfRunHooks( $event, $args = array() ) {
return Hooks::run( $event, $args );
}
+
+/**
+ * Wrapper around php's unpack.
+ *
+ * @param $format String: The format string (See php's docs)
+ * @param $data: A binary string of binary data
+ * @param $length integer or false: The minimun length of $data. This is to
+ * prevent reading beyond the end of $data. false to disable the check.
+ *
+ * Also be careful when using this function to read unsigned 32 bit integer
+ * because php might make it negative.
+ *
+ * @throws MWException if $data not long enough, or if unpack fails
+ * @return Associative array of the extracted data
+ */
+function wfUnpack( $format, $data, $length=false ) {
+ if ( $length !== false ) {
+ $realLen = strlen( $data );
+ if ( $realLen < $length ) {
+ throw new MWException( "Tried to use wfUnpack on a "
+ . "string of length $realLen, but needed one "
+ . "of at least length $length."
+ );
+ }
+ }
+
+ wfSuppressWarnings();
+ $result = unpack( $format, $data );
+ wfRestoreWarnings();
+
+ if ( $result === false ) {
+ // If it cannot extract the packed data.
+ throw new MWException( "unpack could not unpack binary data" );
+ }
+ return $result;
+}