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<?php |
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/** |
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* Admin Page Framework |
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* |
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* http://en.michaeluno.jp/admin-page-framework/ |
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* Copyright (c) 2013-2016 Michael Uno; Licensed MIT |
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* |
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*/ |
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/** |
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* Provides utility methods to return various system information. |
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* |
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* @since 3.4.6 |
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* @extends AdminPageFramework_Utility_File |
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* @package AdminPageFramework |
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* @subpackage Utility |
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* @internal |
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*/ |
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abstract class AdminPageFramework_Utility_SystemInformation extends AdminPageFramework_Utility_File { |
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/** |
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* Caches the result of PHP information array. |
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* @since 3.4.6 |
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*/ |
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static private $_aPHPInfo; |
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/** |
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* Returns the PHP information as an array. |
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* |
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* @since 3.4.6 |
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*/ |
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static public function getPHPInfo() { |
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if ( isset( self::$_aPHPInfo ) ) { |
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return self::$_aPHPInfo; |
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} |
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ob_start(); |
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phpinfo( -1 ); |
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$_sOutput = preg_replace( |
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array( |
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'#^.*<body>(.*)</body>.*$#ms', '#<h2>PHP License</h2>.*$#ms', |
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'#<h1>Configuration</h1>#', "#\r?\n#", "#</(h1|h2|h3|tr)>#", '# +<#', |
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"#[ \t]+#", '# #', '# +#', '# class=".*?"#', '%'%', |
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'#<tr>(?:.*?)" src="(?:.*?)=(.*?)" alt="PHP Logo" /></a>' |
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.'<h1>PHP Version (.*?)</h1>(?:\n+?)</td></tr>#', |
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'#<h1><a href="(?:.*?)\?=(.*?)">PHP Credits</a></h1>#', |
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'#<tr>(?:.*?)" src="(?:.*?)=(.*?)"(?:.*?)Zend Engine (.*?),(?:.*?)</tr>#', |
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"# +#", |
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'#<tr>#', |
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'#</tr>#' |
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), |
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array( |
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'$1', '', '', '', '</$1>' . "\n", '<', ' ', ' ', ' ', '', ' ', |
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'<h2>PHP Configuration</h2>'."\n".'<tr><td>PHP Version</td><td>$2</td></tr>'. |
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"\n".'<tr><td>PHP Egg</td><td>$1</td></tr>', |
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'<tr><td>PHP Credits Egg</td><td>$1</td></tr>', |
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'<tr><td>Zend Engine</td><td>$2</td></tr>' . "\n" . '<tr><td>Zend Egg</td><td>$1</td></tr>', |
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' ', |
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'%S%', |
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'%E%' |
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), |
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ob_get_clean() |
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); |
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$_aSections = explode( '<h2>', strip_tags( $_sOutput, '<h2><th><td>' ) ); |
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unset( $_aSections[ 0 ] ); |
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$_aOutput = array(); |
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foreach( $_aSections as $_sSection ) { |
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$_iIndex = substr( $_sSection, 0, strpos( $_sSection, '</h2>' ) ); |
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preg_match_all( |
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'#%S%(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?%E%#', |
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$_sSection, |
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$_aAskApache, |
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PREG_SET_ORDER |
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); |
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foreach( $_aAskApache as $_aMatches ) { |
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if ( ! isset( $_aMatches[ 1 ], $_aMatches[ 2 ] ) ) { |
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array_slice( $_aMatches, 2 ); |
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continue; |
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} |
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$_aOutput[ $_iIndex ][ $_aMatches[ 1 ] ] = ! isset( $_aMatches[ 3 ] ) || $_aMatches[ 2 ] == $_aMatches[ 3 ] |
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? $_aMatches[ 2 ] |
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: array_slice( $_aMatches, 2 ); |
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} |
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} |
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self::$_aPHPInfo = $_aOutput; |
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return self::$_aPHPInfo; |
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} |
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/** |
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* Returns an array of constants. |
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* |
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* @since 3.4.6 |
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* @param array|string $asCategory The category key names of the returning array. |
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*/ |
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static public function getDefinedConstants( $asCategories=null, $asRemovingCategories=null ) { |
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$_aCategories = is_array( $asCategories ) ? $asCategories : array( $asCategories ); |
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$_aCategories = array_filter( $_aCategories ); |
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$_aRemovingCategories = is_array( $asRemovingCategories ) ? $asRemovingCategories : array( $asRemovingCategories ); |
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$_aRemovingCategories = array_filter( $_aRemovingCategories ); |
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$_aConstants = get_defined_constants( true ); |
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if ( empty( $_aCategories ) ) { |
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return self::dropElementsByKey( $_aConstants, $_aRemovingCategories ); |
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} |
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return self::dropElementsByKey( |
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array_intersect_key( $_aConstants, array_flip( $_aCategories ) ), |
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$_aRemovingCategories |
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); |
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} |
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/** |
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* Returns PHP error log path. |
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* |
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* @since 3.4.6 |
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* @return array|string The error log path. It can be multiple. If so an array holding them will be returned. |
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*/ |
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static public function getPHPErrorLogPath() { |
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$_aPHPInfo = self::getPHPInfo(); |
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return isset( $_aPHPInfo['PHP Core']['error_log'] ) |
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? $_aPHPInfo['PHP Core']['error_log'] |
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: ''; |
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} |
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/** |
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* Returns a PHP error log. |
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* @since 3.4.6 |
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*/ |
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static public function getPHPErrorLog( $iLines=1 ) { |
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$_sLog = self::getFileTailContents( self::getPHPErrorLogPath(), $iLines ); |
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// If empty, it could be the log file could not be located. In that case, return the last error. |
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return $_sLog |
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? $_sLog |
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: print_r( @error_get_last(), true ); |
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} |
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} |
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michaeluno /
admin-page-framework
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