w3pop.com :: ÍøÂçѧԺ :: PHP :: PHP Misc
The misc. functions were only placed here because none of the other categories seemed to fit.
ÎÒÃÇÔÚÕâÀïµ¥¶À½éÉÜmisc. functionsº¯ÊýÊÇÒòΪ²»Ì«ÊʺϰÑËü·ÅÈëÆäËüÕ½ÚÖнéÉÜ¡£
The misc functions are part of the PHP core. There is no installation needed to use these functions.
Miscº¯ÊýÊÇPHPºËÐĵÄÒ»²¿·Ö¡£ËùÒÔ£¬Ö»ÒªÄãÒѾ°²×°ÁËPHP£¬¾Í²»ÐèÒªÔÙÖØÐ¶ÔËü½øÐа²×°±ã¿ÉÒÔʹÓÃËü
The behavior of the misc functions is affected by settings in the php.ini file.
Miscº¯ÊýµÄÊôÐÔͨ¹ýÔÚ“PHP.ini”ÎļþÖÐÉèÖúóÖ´ÐС£
Misc. configuration options:
Misc.¹¹³É×é¼þ£º
| Name Ãû³Æ |
Default ĬÈÏÖµ |
Description ÃèÊö |
Changeable |
|---|---|---|---|
| ignore_user_abort | "0" | FALSE indicates that scripts will be terminated as soon as they try to output something after a client has aborted their connection False±íʾ£ºÈç¹ûËüÊÔͼÔÚ¿Í»§¶ËÖÕÖ¹Á¬½ÓÒÔºóÈÔÊÔͼÊä³öÐÅÏ¢£¬ÄÇô´Ëʱ½Å±¾½«ÖÕÖ¹ÔËÐÐ |
PHP_INI_ALL |
| highlight.string | "#DD0000" | Color for highlighting a string in PHP syntax ÔÚPHPÓï·¨ÖУ¬ËüÊÇÓÃÀ´Ç¿µ÷ij¸ö×Ö·û´®¶øÏÔʾµÄ¸ßÁÁÑÕÉ« |
PHP_INI_ALL |
| highlight.comment | "#FF8000" | Color for highlighting PHP comments ÔÚPHPÓï·¨ÖУ¬ËüÊÇÓÃÀ´Ç¿µ÷ij¸öPHP×¢ÊͶøÏÔʾµÄ¸ßÁÁÑÕÉ« |
PHP_INI_ALL |
| highlight.keyword | "#007700" | Color for syntax highlighting PHP keywords (e.g. parenthesis and semicolon) ÔÚPHPÓï·¨ÖУ¬ËüÊÇÓÃÀ´Ç¿µ÷ij¸öPHP¼ü£¨»ò¹Ø¼ü´Ê£©[key]¶øÏÔʾµÄ¸ßÁÁÑÕÉ« |
PHP_INI_ALL |
| highlight.bg | "#FFFFFF" | Color for background ±³¾°ÑÕÉ« |
PHP_INI_ALL |
| highlight.default | "#0000BB" | Default color for PHP syntax PHPÓï·¨µÄĬÈÏÏÔʾÑÕÉ« |
PHP_INI_ALL |
| highlight.html | "#000000" | Color for HTML code HTML´úÂëµÄÑÕÉ« |
PHP_INI_ALL |
| browscap | NULL | Name and location of browser-capabilities file (e.g. browscap.ini) ä¯ÀÀÆ÷ÎļþµÄÃû³ÆµÄµØÖ·£¨ÀýÈ磺browscap.ini£© |
PHP_INI_SYSTEM |
PHP: indicates the earliest version of PHP that supports the function.
PHP£º×îÔçÖ§³ÖÕâЩ³£Á¿µÄPHP°æ±¾
| Function º¯Êý |
Description ÃèÊö |
PHP |
|---|---|---|
| connection_aborted() | Checks whether the client has disconnected ¼ì²é¿Í»§¶ËÊÇ·ñ¶ÏÏß |
3 |
| connection_status() | Returns the current connection status ·µ»Øµ±Ç°µÄÁ¬½Ó״̬ |
3 |
| connection_timeout() | Deprecated in PHP 4.0.5 PHP 4.0.5°æ±¾Öв»Ö§³Ö |
3 |
| constant() | Returns the value of a constant ·µ»ØÒ»¸ö³£Á¿Öµ |
4 |
| define() | Defines a constant ¶¨ÒåÒ»¸ö³£Á¿ |
3 |
| defined() | Checks whether a constant exists ¼ì²éij¸ö³£Á¿ÊÇ·ñ´æÔÚ |
3 |
| die() | Prints a message and exits the current script Í˳öµ±Ç°½Å±¾³ÌÐò²¢Êä³öÒ»¶ÎÐÅÏ¢ |
3 |
| eval() | Evaluates a string as PHP code ·µ»ØÓëPHP´úÂëÏà¶ÔÓ¦µÄ×Ö·û´® |
3 |
| exit() | Prints a message and exits the current script Í˳öµ±Ç°½Å±¾³ÌÐò²¢Êä³öÒ»¶ÎÐÅÏ¢¡£ |
3 |
| get_browser() | Returns the capabilities of the user's browser ²éÕÒÓû§µÄbrowsca.iniÎļþ£¬²¢ÇÒ·µ»ØÓû§ä¯ÀÀÆ÷µÄ»ù±¾ÊôÐÔ |
3 |
| highlight_file() | Outputs a file with the PHP syntax highlighted ÔÚÊä³öµÄÎļþÖн«PHPÓï·¨²¿·ÖÓò»Í¬µÄÑÕÉ«ÏÔʾ |
4 |
| highlight_string() | Outputs a string with the PHP syntax highlighted ÔÚÊä³öµÄ×Ö·û´®Öн«PHPÓï·¨²¿·ÖÓò»Í¬µÄÑÕÉ«ÏÔʾ |
4 |
| ignore_user_abort() | Sets whether a remote client can abort the running of a script ΪԶ³Ì¿Í»§¶ËÊÇ·ñ¿ÉÒÔ·ÅÆúÖ´ÐÐÒ»¸ö½Å±¾³ÌÐòÉèÖÃȨÏÞ |
3 |
| pack() | Packs data into a binary string ½«Êý¾ÝѹËõ³ÉÒ»¸ö¶þ½øÖÆ×Ö·û´® |
3 |
| php_check_syntax() | Deprecated in PHP 5.0.5 PHP 5.0.5°æ±¾Öв»Ö§³Ö |
5 |
| php_strip_whitespace() | Returns the source code of a file with PHP comments and whitespace removed ·µ»Ø²»´ø¿Õ°××Ö·û[whitespace]µÄPHP³ÂÊöÎļþµÄÔ´´úÂë |
5 |
| show_source() | Alias of highlight_file() highlight_file()µÄ±ðÃû |
4 |
| sleep() | Delays code execution for a number of seconds ÉèÖýű¾ÑÓ³ÙÖ´ÐеÄʱ¼ä£¨µ¥Î»£ºÃ룩 |
3 |
| time_nanosleep() | Delays code execution for a number of seconds and nanoseconds ÉèÖýű¾ÑÓ³ÙÖ´ÐеÄʱ¼ä£¨µ¥Î»£ºÃë/ºÁ΢Ã루ʮÒÚ·ÖÖ®Ò»Ã룩 |
5 |
| time_sleep_until() | Delays code execution until a specified time sleep()º¯ÊýµÄ×÷ÓÃÊÇ£ºÉèÖýű¾ÑÓ³ÙÖ´ÐеÄʱ¼ä |
5 |
| uniqid() | Generates a unique ID ²úÉúÒ»¸ö»ùÓÚϵͳʱ¼äµÄ¶ÀÁ¢ID |
3 |
| unpack() | Unpacks data from a binary string ½«Êý¾Ý´Ó¶þ½øÖÆÐÎʽ½âѹ»ØÀ´ |
3 |
| usleep() | Delays code execution for a number of microseconds Ö¸¶¨ÑÓ³ÙÖ´ÐдúÂëµÄʱ¼ä£¨µ¥Î»£ººÁ΢Ãë£ÛÊ®ÒÚ·ÖÖ®Ò»Ãë£Ý£© |
3 |
PHP: indicates the earliest version of PHP that supports the constant.
PHP£º×îÔçÖ§³ÖÕâЩ³£Á¿µÄPHP°æ±¾
| Constant ³£Á¿ |
Description ÃèÊö |
PHP PHP°æ±¾ |
|---|---|---|
| CONNECTION_ABORTED | ||
| CONNECTION_NORMAL | ||
| CONNECTION_TIMEOUT | ||
| __COMPILER_HALT_OFFSET__ | 5 |
ÆÀÂÛ (0)
All