Created
May 7, 2010 17:18
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Storytlr Requirements Check
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| <?php | |
| class Check { | |
| protected static $errors = 0; | |
| protected static $include_found = true; | |
| public static function no_errors () { | |
| return true;//( 0 == self::$errors ); | |
| } | |
| public static function error_count () { | |
| return self::$errors; | |
| } | |
| protected static function show_check_div ( $string, $class ) { | |
| echo '<div class="' . $class . '">' . $string . '</div>'; | |
| } | |
| public static function good ( $string ) { self::show_check_div( $string, 'good' ); } | |
| public static function bad ( $string ) { self::$errors++; self::show_check_div( $string, 'bad' ); } | |
| public static function warn ( $string ) { self::show_check_div( $string, 'warn' ); } | |
| // Check the level of php available | |
| public static function PHP ( $required ) { | |
| if( 1 == version_compare( $required, phpversion() ) ) | |
| Check::bad( "Your PHP version is too low, the minimum required is $required." ); | |
| else | |
| Check::good( "PHP Version " . phpversion() . " meets requirement." ); | |
| } | |
| public static function SettingValue ( $setting, $expected ) { | |
| if( $expected != ini_get( $setting ) ) | |
| Check::bad( "PHP Setting '$setting' should be '". var_export( $expected, true ) . "'." ); | |
| else | |
| Check::good( "PHP Setting '$setting' is '" . var_export( $expected, true ) ."'." ); | |
| } | |
| // Check if a class exists | |
| public static function ClassExists ( $class, $name, $warn_only=false ) { | |
| if( class_exists( $class, false ) ) | |
| Check::good( "Found $name." ); | |
| else if( $warn_only ) | |
| Check::warn( "Can not find $name." ); | |
| else | |
| Check::bad( "Can not find $name." ); | |
| } | |
| // Check if a function exists. | |
| public static function FunctionExists ( $function, $name, $warn_only=false ) { | |
| if( function_exists( $function ) ) | |
| Check::good( "Found $name." ); | |
| else if( $warn_only ) | |
| Check::warn( "Can not find $name." ); | |
| else | |
| Check::bad( "Can not find $name." ); | |
| } | |
| // Check if a file can be included, is on the path. | |
| public static function CanInclude ( $include, $name, $warn_only=false ) { | |
| self::$include_found = true; | |
| set_error_handler( 'Check::include_error_handler', E_WARNING ); | |
| include_once( $include ); | |
| restore_error_handler(); | |
| if( self::$include_found ) | |
| Check::good( "Found $name." ); | |
| else if( $warn_only ) | |
| Check::warn( "Can not find $name." ); | |
| else | |
| Check::bad( "Can not find $name." ); | |
| return self::$include_found; | |
| } | |
| protected static function include_error_handler ( $errno, $errstr ) { | |
| self::$include_found = false; | |
| } | |
| // Checks an extension existence by phpversion. Doesn't work for all extensions. | |
| public static function ExtensionExists ( $extension, $name, $warn_only=false ) { | |
| if( false !== phpversion( $extension ) ) | |
| Check::good( "Found $name." ); | |
| else if( $warn_only ) | |
| Check::warn( "Can not find $name." ); | |
| else | |
| Check::bad( "Can not find $name." ); | |
| } | |
| public static function PathWritable ( $path, $warn_only=false ) { | |
| $root = dirname( __FILE__ ) . '/../../'; | |
| if( is_writable( $root . $path ) ) | |
| Check::good( "$path is writable." ); | |
| else if( $warn_only ) | |
| Check::warn( "$path is not writable." ); | |
| else | |
| Check::bad( "$path is not writable." ); | |
| } | |
| } // Class Check | |
| ?> | |
| <html> | |
| <head> | |
| <title>Storytlr Requirements Check</title> | |
| <style type="text/css"> | |
| .good, .bad, .warn { | |
| padding: 5px; | |
| font-weight: bold; | |
| text-shadow: 1px 1px 2px #AAA; | |
| color: #FFF; | |
| } | |
| .good { | |
| background-color: #00BF00; | |
| } | |
| .bad { | |
| background-color: #BF2C00; | |
| } | |
| .warn { | |
| background-color: #BFB900; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div style="width: 500px; margin: 0 auto;"> | |
| <h1>Storytlr Requirements Check</h1> | |
| <?php | |
| Check::PHP( "5.0" ); | |
| Check::SettingValue( "magic_quotes_gpc", false ); | |
| if( Check::CanInclude( 'Zend/Version.php', 'Zend Framework' ) ) | |
| if( Zend_Version::compareVersion( '1.0.0' ) > 0 ) | |
| warn( 'Zend Version 1.0.0 or newer is recommended' ); | |
| Check::FunctionExists( 'mcrypt_module_open', 'mcrypt' ); | |
| Check::FunctionExists( 'curl_init', 'cURL' ); | |
| Check::ExtensionExists( 'PDO', 'PDO' ); | |
| Check::ExtensionExists( 'tidy', 'Tidy'); | |
| ?> | |
| </div> | |
| </body> | |
| </html> |
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