本文实例讲述了PHP parse_ini_file函数的应用与扩展操作。分享给大家供大家参考,具体如下:
parse_ini_file($filename, $process_sections = false, $scanner_mode = INI_SCANNER_NORMAL)解析一个配置文件。
filename要解析的文件名;
process_sections设置为true时,得到一个多维数组,包括配置文件中每一节的名称和设置,默认为false;
解析成功返回关联数组,失败返回false。列举一下官网的例子,也引用了官网的扩展实例parse_ini_file_multi()
。
下面是配置文件内容:
[first_section]
one = 1
two = 2
name = test
[second_section]
path = '/tmp/test'
url = 'http://test.com/login.php'
[third_section]
php_version[] = '5.0'
php_version[] = '5.1'
php_version[] = '5.5'
[dictionary]
foo[debug] = true
foo[path] = /some/path
[fourth_section]
fold1.fold2.fold3 = 'a'
fold1.fold2.fold4 = 'b'
fold1.fold2.fold5 = 'b'
下面是PHP文件内容:
function parse_ini_file_multi($file, $process_sections = false, $scanner_mode = INI_SCANNER_NORMAL){ $explode_str = '.'; $escape_char = "'"; $data = parse_ini_file($file, $process_sections, $scanner_mode); if (!$process_sections) { $data = array($data); } foreach ($data as $section_key => $section) { foreach($section as $key => $value){ if(strpos($key, $explode_str)){ if(substr($key, 0, 1) !== $escape_char){ $sub_keys = explode($explode_str, $key); $subs =& $data[$section_key]; echo "\r\n".'========='."\r\n"; print_r($subs); print_r($data); foreach($sub_keys as $sub_key){ if (!isset($subs[$sub_key])) { $subs[$sub_key] = []; } $subs =& $subs[$sub_key]; echo "\r\n".'++++++++'."\r\n"; print_r($subs); print_r($data); } $subs = $value; echo "\r\n".'----------'."\r\n"; print_r($subs); print_r($data); unset($data[$section_key][$key]); }else{ $new_key = trim($key, $escape_char); $data[$section_key][$new_key] = $value; unset($data[$section_key][$key]); } } } } if (!$process_sections) { $data = $data[0]; } return $data; } $arr = parse_ini_file('file.ini'); print_r($arr); echo "\r\n".'================='."\r\n"; $arr = parse_ini_file_multi('file.ini',true); echo "\r\n".'================='."\r\n"; print_r($arr);
运行结果:
Array ( [one] => 1 [two] => 2 [name] => test [path] => /tmp/test [url] => http://test.com/login.php [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) [foo] => Array ( [debug] => 1 [path] => /some/path ) [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b ) ================= ========= Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b ) ) ++++++++ Array ( ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( ) ) ) ++++++++ Array ( ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( ) ) ) ) ++++++++ Array ( ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => Array ( ) ) ) ) ) ---------- aArray ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold3] => a [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a ) ) ) ) ========= Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a ) ) ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a ) ) ) ) ++++++++ Array ( [fold2] => Array ( [fold3] => a ) ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a ) ) ) ) ++++++++ Array ( [fold3] => a ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a ) ) ) ) ++++++++ Array ( ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => Array ( ) ) ) ) ) ---------- bArray ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold4] => b [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) ) ) ========= Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) ) ) ++++++++ Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) ) ) ++++++++ Array ( [fold3] => a [fold4] => b ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b ) ) ) ) ++++++++ Array ( ) Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b [fold5] => Array ( ) ) ) ) ) ---------- bArray ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1.fold2.fold5] => b [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b [fold5] => b ) ) ) ) ================= Array ( [first_section] => Array ( [one] => 1 [two] => 2 [name] => test ) [second_section] => Array ( [path] => /tmp/test [url] => http://test.com/login.php ) [third_section] => Array ( [php_version] => Array ( [0] => 5.0 [1] => 5.1 [2] => 5.5 ) ) [dictionary] => Array ( [foo] => Array ( [debug] => 1 [path] => /some/path ) ) [fourth_section] => Array ( [fold1] => Array ( [fold2] => Array ( [fold3] => a [fold4] => b [fold5] => b ) ) ) )
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