Prepare for REL1_33 cut, labelling master as 1.34-alpha
[lhc/web/wiklou.git] / includes / PHPVersionCheck.php
index aee2a0c..3f08a37 100644 (file)
 
 // phpcs:disable Generic.Arrays.DisallowLongArraySyntax,PSR2.Classes.PropertyDeclaration,MediaWiki.Usage.DirUsage
 // phpcs:disable Squiz.Scope.MemberVarScope.Missing,Squiz.Scope.MethodScope.Missing
+// @phan-file-suppress PhanPluginDuplicateConditionalNullCoalescing
 /**
  * Check PHP Version, as well as for composer dependencies in entry points,
  * and display something vaguely comprehensible in the event of a totally
  * unrecoverable error.
+ *
+ * @note Since we can't rely on anything external, the minimum PHP versions
+ * and MW current version are hardcoded in this class.
+ *
+ * @note This class uses setter methods instead of a constructor so that
+ * it can be compatible with PHP 4, PHP 5 and PHP 7 (without warnings).
+ *
  * @class
  */
 class PHPVersionCheck {
        /* @var string The number of the MediaWiki version used. */
-       var $mwVersion = '1.33';
+       var $mwVersion = '1.34';
 
        /* @var array A mapping of PHP functions to PHP extensions. */
        var $functionsExtensionsMapping = array(
@@ -41,29 +49,35 @@ class PHPVersionCheck {
        );
 
        /**
-        * @var string Which entry point we are protecting. One of:
-        *   - index.php
-        *   - load.php
-        *   - api.php
-        *   - mw-config/index.php
-        *   - cli
+        * @var string $format The format used for errors. One of "text" or "html"
+        */
+       var $format = 'text';
+
+       /**
+        * @var string $scriptPath
         */
-       var $entryPoint = null;
+       var $scriptPath = '/';
 
        /**
-        * @param string $entryPoint Which entry point we are protecting. One of:
-        *   - index.php
-        *   - load.php
-        *   - api.php
-        *   - mw-config/index.php
-        *   - cli
+        * Set the format used for errors.
+        *
+        * @param string $format One of "text" or "html"
         */
-       function setEntryPoint( $entryPoint ) {
-               $this->entryPoint = $entryPoint;
+       function setFormat( $format ) {
+               $this->format = $format;
        }
 
        /**
-        * Returns the version of the installed PHP implementation.
+        * Set the script path used for images in HTML-formatted errors.
+        *
+        * @param string $scriptPath
+        */
+       function setScriptPath( $scriptPath ) {
+               $this->scriptPath = $scriptPath;
+       }
+
+       /**
+        * Return the version of the installed PHP implementation.
         *
         * @param string $impl By default, the function returns the info of the currently installed PHP
         *  implementation. Using this parameter the caller can decide, what version info will be
@@ -97,7 +111,7 @@ class PHPVersionCheck {
                        'version' => PHP_VERSION,
                        'vendor' => 'the PHP Group',
                        'upstreamSupported' => '5.6.0',
-                       'minSupported' => '7.0.0',
+                       'minSupported' => '7.0.13',
                        'upgradeURL' => 'https://secure.php.net/downloads.php',
                );
        }
@@ -236,14 +250,8 @@ HTML;
         * @return string
         */
        function getIndexErrorOutput( $title, $longHtml, $shortText ) {
-               $pathinfo = pathinfo( $_SERVER['SCRIPT_NAME'] );
-               if ( $this->entryPoint == 'mw-config/index.php' ) {
-                       $dirname = dirname( $pathinfo['dirname'] );
-               } else {
-                       $dirname = $pathinfo['dirname'];
-               }
                $encLogo =
-                       htmlspecialchars( str_replace( '//', '/', $dirname . '/' ) .
+                       htmlspecialchars( str_replace( '//', '/', $this->scriptPath . '/' ) .
                                'resources/assets/mediawiki.png' );
                $shortHtml = htmlspecialchars( $shortText );
 
@@ -308,23 +316,13 @@ HTML;
         * @param string $longHtml
         */
        function triggerError( $title, $shortText, $longText, $longHtml ) {
-               switch ( $this->entryPoint ) {
-                       case 'cli':
-                               $finalOutput = $longText;
-                               break;
-                       case 'index.php':
-                       case 'mw-config/index.php':
-                               $this->outputHTMLHeader();
-                               $finalOutput = $this->getIndexErrorOutput( $title, $longHtml, $shortText );
-                               break;
-                       case 'load.php':
-                               $this->outputHTMLHeader();
-                               $finalOutput = "/* $shortText */";
-                               break;
-                       default:
-                               $this->outputHTMLHeader();
-                               // Handle everything that's not index.php
-                               $finalOutput = $shortText;
+               if ( $this->format === 'html' ) {
+                       // Used by index.php and mw-config/index.php
+                       $this->outputHTMLHeader();
+                       $finalOutput = $this->getIndexErrorOutput( $title, $longHtml, $shortText );
+               } else {
+                       // Used by Maintenance.php (CLI)
+                       $finalOutput = $longText;
                }
 
                echo "$finalOutput\n";
@@ -336,12 +334,13 @@ HTML;
  * Check PHP version and that external dependencies are installed, and
  * display an informative error if either condition is not satisfied.
  *
- * @note Since we can't rely on anything, the minimum PHP versions and MW current
- * version are hardcoded here.
+ * @param string $format One of "text" or "html"
+ * @param string $scriptPath Used when an error is formatted as HTML.
  */
-function wfEntryPointCheck( $entryPoint ) {
+function wfEntryPointCheck( $format = 'text', $scriptPath = '/' ) {
        $phpVersionCheck = new PHPVersionCheck();
-       $phpVersionCheck->setEntryPoint( $entryPoint );
+       $phpVersionCheck->setFormat( $format );
+       $phpVersionCheck->setScriptPath( $scriptPath );
        $phpVersionCheck->checkRequiredPHPVersion();
        $phpVersionCheck->checkVendorExistence();
        $phpVersionCheck->checkExtensionExistence();