1. phpinfo to array
function phpinfo_array($return=false){ ob_start(); phpinfo(-1); $pi = preg_replace( array('#^.*<body>(.*)</body>.*$#ms', '#<h2>PHP License</h2>.*$#ms', '#<h1>Configuration</h1>#', "#\r?\n#", "#</(h1|h2|h3|tr)>#", '# +<#', "#[ \t]+#", '# #', '# +#', '# class=".*?"#', '%'%', '#<tr>(?:.*?)" src="(?:.*?)=(.*?)" alt="PHP Logo" /></a>' .'<h1>PHP Version (.*?)</h1>(?:\n+?)</td></tr>#', '#<h1><a href="(?:.*?)\?=(.*?)">PHP Credits</a></h1>#', '#<tr>(?:.*?)" src="(?:.*?)=(.*?)"(?:.*?)Zend Engine (.*?),(?:.*?)</tr>#', "# +#", '#<tr>#', '#</tr>#'), array('$1', '', '', '', '</$1>' . "\n", '<', ' ', ' ', ' ', '', ' ', '<h2>PHP Configuration</h2>'."\n".'<tr><td>PHP Version</td><td>$2</td></tr>'. "\n".'<tr><td>PHP Egg</td><td>$1</td></tr>', '<tr><td>PHP Credits Egg</td><td>$1</td></tr>', '<tr><td>Zend Engine</td><td>$2</td></tr>' . "\n" . '<tr><td>Zend Egg</td><td>$1</td></tr>', ' ', '%S%', '%E%'), ob_get_clean()); $sections = explode('<h2>', strip_tags($pi, '<h2><th><td>')); unset($sections[0]); $pi = array(); foreach($sections as $section) { $n = substr($section, 0, strpos($section, '</h2>')); preg_match_all('#%S%(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?(?:<td>(.*?)</td>)?%E%#',$section, $askapache, PREG_SET_ORDER); foreach($askapache as $m) $pi[$n][$m[1]]=(!isset($m[3])||$m[2]==$m[3])?$m[2]:array_slice($m,2); } return ($return === false) ? print_r($pi) : $pi;}phpinfo_array();?
来源：http://www.php.net/manual/en/function.phpinfo.php#87463
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2. get_loaded_extensions? and PHP_VERSION
print_r(get_loaded_extensions()); //print_r(apache_get_modules()); // 一般服务商都会屏蔽掉print_r(PHP_VERSION);
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3.? ini to array
$ini_path = php_ini_loaded_file();print_r($ini_path); $ini = parse_ini_file($ini_path);print_r($ini);
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or
function parse_ini ( $filepath ) { $ini = file( $filepath ); if ( count( $ini ) == 0 ) { return array(); } $sections = array(); $values = array(); $globals = array(); $i = 0; foreach( $ini as $line ){ $line = trim( $line ); // Comments if ( $line == '' || $line{0} == ';' ) { continue; } // Sections if ( $line{0} == '[' ) { $sections[] = substr( $line, 1, -1 ); $i++; continue; } // Key-value pair list( $key, $value ) = explode( '=', $line, 2 ); $key = trim( $key ); $value = trim( $value ); if ( $i == 0 ) { // Array values if ( substr( $line, -1, 2 ) == '[]' ) { $globals[ $key ][] = $value; } else { $globals[ $key ] = $value; } } else { // Array values if ( substr( $line, -1, 2 ) == '[]' ) { $values[ $i - 1 ][ $key ][] = $value; } else { $values[ $i - 1 ][ $key ] = $value; } } } for( $j=0; $j<$i; $j++ ) { $result[ $sections[ $j ] ] = $values[ $j ]; } return $result + $globals;}//$stores = parse_ini($ini_path);//print_r( $stores );?
来源：http://php.net/parse_ini_file
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