{"id":78,"date":"2017-07-07T00:41:53","date_gmt":"2017-07-06T16:41:53","guid":{"rendered":"https:\/\/wp.dj47.top\/?p=78"},"modified":"2021-10-20T16:19:18","modified_gmt":"2021-10-20T08:19:18","slug":"php%e5%b8%b8%e7%94%a8%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.djlog.cn\/?p=78","title":{"rendered":"PHP\u5e38\u7528\u51fd\u6570"},"content":{"rendered":"

\u4e00\u3001\u5199\u5165\u6587\u4ef6<\/span><\/p>\n

1.\u6253\u5f00\u8d44\u6e90\uff08\u6587\u4ef6\uff09fopen($filename,$mode)<\/p>\n

2.\u5199\u6587\u4ef6fwrite($handle,$str)<\/p>\n

3.\u5173\u95ed\u6587\u4ef6fclose($handle)<\/p>\n

4.\u4e00\u6b65\u5199\u5165file_put_contents($filename,$str,$mode) FILE_APPEND LOCK_EX<\/p>\n

 <\/p>\n

\u4e8c\u3001\u8bfb\u6587\u4ef6<\/span><\/p>\n

1.\u8bfb\u6587\u4ef6fread($handle,\u5b57\u8282\u6570)<\/p>\n

2.\u8bfb\u4e00\u884cfgets($handle);<\/p>\n

3.\u8bfb\u4e00\u4e2a\u5b57\u7b26fgetc($handle)<\/p>\n

4.\u8bfb\u6210\u4e00\u4e2a\u6570\u7ec4\u4e2dfile($filename)<\/p>\n

5.\u4e00\u6b65\u8bfb\u53d6file_get_contents($filename)<\/p>\n

 <\/p>\n

\u4e09\u3001 \u76ee\u5f55\u64cd\u4f5c<\/span><\/p>\n

1\uff0c\u5efa\u76ee\u5f55mkdir($dirname)<\/p>\n

2\uff0c\u5220\u9664\u76ee\u5f55rmdir($dirname)<\/p>\n

3\uff0c\u6253\u5f00\u76ee\u5f55\u53e5\u67c4opendir($dirname)<\/p>\n

4\uff0c\u8bfb\u53d6\u76ee\u5f55\u6761\u6570readdir($handle)<\/p>\n

5\uff0c\u5173\u95ed\u76ee\u5f55\u8d44\u6e90closedir($handle)<\/p>\n

6\uff0c\u91cd\u7f6e\u76ee\u5f55\u8d44\u6e90rewinddir($dirname);<\/p>\n

 <\/p>\n

\u56db\u3001\u76ee\u5f55\u548c\u6587\u4ef6\u64cd\u4f5c<\/span><\/p>\n

1\uff0c \u68c0\u67e5\u6587\u4ef6\u6216\u76ee\u5f55\u662f\u5426\u5b58\u5728file_exists($filename)<\/p>\n

2\uff0c\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u91cd\u547d\u540drename($file)<\/p>\n

 <\/p>\n

\u4e94\u3001 \u6587\u4ef6\u64cd\u4f5c<\/span><\/p>\n

1\u3001\u62f7\u8d1d\u6587\u4ef6copy(‘\u539f\u6587\u4ef6’,’\u76ee\u6807\u6587\u4ef6’)<\/p>\n

2\u3001\u5220\u9664\u6587\u4ef6unlink($filename)<\/p>\n

3\u3001\u83b7\u53d6\u6587\u4ef6\u5927\u5c0ffilesize($filename)<\/p>\n

4\u3001\u53d6\u5f97\u6587\u4ef6\u7684\u521b\u5efa\u65f6\u95f4filectime($filename)<\/p>\n

5\u3001\u53d6\u5f97\u6587\u4ef6\u7684\u8bbf\u95ee\u65f6\u95f4fileatime($filename)<\/p>\n

6\u3001\u53d6\u5f97\u6587\u4ef6\u7684\u4fee\u6539\u65f6\u95f4filemtime($filename)<\/p>\n

 <\/p>\n

\u516d\u3001\u8def\u5f84\u64cd\u4f5c<\/span><\/p>\n

1\u3001\u83b7\u53d6\u8def\u5f84dirname($path)<\/p>\n

2\u3001\u83b7\u53d6\u6587\u4ef6\u540dbasename($path)<\/p>\n

3\u3001\u83b7\u53d6\u8def\u5f84\u4fe1\u606fpathinfo($path)<\/p>\n

 <\/p>\n

\u4e03\u3001\u6570\u7ec4\u51fd\u6570\uff08\u6781\u5176\u91cd\u8981\uff09<\/span><\/p>\n

1.\u5728\u6570\u7ec4\u7684\u5f00\u5934\u63d2\u5165\u4e00\u4e2a\u5143\u7d20array_unshift($arr,$v)<\/p>\n

2.\u5728\u6570\u7ec4\u7684\u5c3e\u90e8\u6dfb\u52a0\u6570\u7ec4\u5143\u7d20array_push($arr,$v,$v1…)<\/p>\n

3.\u5c06\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u79fb\u51fa\uff0c\u5e76\u8fd4\u56de\u6b64\u5143\u7d20array_shift($arr)<\/p>\n

4.\u5728\u6570\u7ec4\u7684\u5c3e\u90e8\u5220\u9664\u5143\u7d20array_pop($arr)<\/p>\n

5.\u5c06\u6570\u7ec4\u7528$separator\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32implode($a,$arr)<\/p>\n

6.\u68c0\u6d4b\u53d8\u91cf\u662f\u5426\u662f\u6570\u7ec4is_array($arr)<\/p>\n

7.\u83b7\u5f97\u6570\u7ec4\u7684\u952e\u540darray_keys($arr)<\/p>\n

8.\u83b7\u5f97\u6570\u7ec4\u7684\u503carray_values($arr)<\/p>\n

9.\u68c0\u7d22$value\u662f\u5426\u5728$arr\u4e2d\uff0c\u8fd4\u56de\u5e03\u5c14\u503cin_array($v,$arr)<\/p>\n

10.\u68c0\u7d22\u6570\u7ec4$arr\u4e2d\uff0c\u662f\u5426\u6709$key\u8fd9\u4e2a\u952e\u540darray_key_exists($k,$arr)<\/p>\n

11.\u68c0\u7d22$value\u662f\u5426\u5728$arr\u4e2d\uff0c\u82e5\u5b58\u5728\u8fd4\u56de\u952e\u540dArray_search($value, $arr)<\/p>\n

12.\u5c06\u4e00\u4e2a\u6570\u7ec4\u9006\u5411\u6392\u5e8f\uff0c\u5982\u679c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3atrue\uff0c\u5219\u4fdd\u6301\u952e\u540dArray_reverse($arr, true)<\/p>\n

13.\u4ea4\u6362\u6570\u7ec4\u7684\u952e\u548c\u503c Array_flip($arr)<\/p>\n

14.\u7edf\u8ba1\u6570\u7ec4\u5143\u7d20\u7684\u4e2a\u6570 Count($arr)<\/p>\n

15.\u7edf\u8ba1\u6570\u7ec4\u4e2d\u6240\u6709\u503c\u7684\u51fa\u73b0\u6b21\u6570 Array_count_values($arr)<\/p>\n

16.\u79fb\u9664\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u503c Array_unique($arr)<\/p>\n

17.\u503c\u7531\u5c0f\u5230\u5927\u6392\u5e8f Sort($arr)<\/p>\n

18.\u503c\u7531\u5927\u5230\u5c0f\u6392\u5e8f Rsort($arr)<\/p>\n

19.\u952e\u7531\u5c0f\u5230\u5927\u6392\u5e8f ksort($arr)<\/p>\n

20.\u952e\u7531\u5927\u5230\u5c0f\u6392\u5e8f krsort($arr)<\/p>\n

21.\u968f\u673a\u4ece\u6570\u7ec4\u4e2d\u53d6\u5f97$num\u4e2a\u5143\u7d20 Array_rand($arr, $num)<\/p>\n

22.\u5bf9\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u6c42\u548cArray_sum($arr)<\/p>\n

23.\u5408\u5e76\u6570\u7ec4 array_merge($arr,$arr)<\/p>\n

 <\/p>\n

 <\/p>\n

\u516b\u3001\u5b57\u7b26\u4e32\u51fd\u6570\uff08\u6781\u5176\u91cd\u8981\uff09<\/span><\/p>\n

 <\/p>\n

1.\u8f93\u51fa\u5b57\u7b26\u4e32 echo($str) echo<\/p>\n

2.\u539f\u6837\u8f93\u51fa\uff08\u533a\u5206\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\uff09 print($str)<\/p>\n

3.\u8f93\u51fa\u5b57\u7b26\u4e32\uff0c\u7ed3\u675f\u811a\u672c\u6267\u884c Die($str):die($str) die;<\/p>\n

4.\u8f93\u51fa\u5b57\u7b26\u4e32\uff0c\u7ed3\u675f\u811a\u672c\u6267\u884c exit($str) exit;<\/p>\n

5.\u8f93\u51fa\u683c\u5f0f\u5316\u5b57\u7b26\u4e32 printf($str,$p1,…)<\/p>\n

6.\u4e0d\u76f4\u63a5\u8f93\u51fa\u683c\u5f0f\u5316\u7684\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\u683c\u5f0f\u5316\u7684\u5b57\u7b26\u4e32\uff0c\u4fdd\u5b58\u5230\u53d8\u91cf\u4e2d sprintf($str,$p1,…)<\/p>\n

7.\u6253\u5370\u53d8\u91cf\u7684\u76f8\u5173\u4fe1\u606f var_dump($p)<\/p>\n

8.\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5c0f\u5199 strtolower($str)<\/p>\n

9.\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199 strtoupper($str)<\/p>\n

10.\u5c06\u5b57\u7b26\u4e32\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u8f6c\u6362\u4e3a\u5927\u5199 ucfirst($str)<\/p>\n

11.\u5c06\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5355\u8bcd\u8f6c\u6362\u4e3a\u5927\u5199 ucwords($str)<\/p>\n

12.\u53bb\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u767d\u5b57\u7b26\u3002 Trim($str,’ ,’)<\/p>\n

13.\u53bb\u9664\u5b57\u7b26\u4e32\u5de6\u8fb9\u7a7a\u767d\u5b57\u7b26\u3002 Ltrim($str)<\/p>\n

14.\u53bb\u9664\u5b57\u7b26\u4e32\u53f3\u8fb9\u7a7a\u767d\u5b57\u7b26\u3002Rtrim($str)<\/p>\n

\u7a7a\u767d\u5b57\u7b26\uff1a””\uff0c”\\t”\uff0c”\\n”\uff0c”\\r”\uff0c\u201d\\0\u201d<\/p>\n

15\u53d6\u5f97\u5b57\u7b26\u4e32\u957f\u5ea6 strlen($str)<\/p>\n

16\u7edf\u8ba1\u5305\u542b\u7684\u5b57\u7b26\u4e32\u4e2a\u6570 substr_count($str,\u2019\u5b50\u4e32\u2019)<\/p>\n

17\u8fd4\u56de\u5b57\u7b26\u4e32$string\u4e2d\u7531$start\u5f00\u59cb\uff0c\u957f\u5ea6\u4e3a$length\u7684\u5b50\u5b57\u7b26\u4e32<\/p>\n

Substr($string ,$start[,$length])<\/p>\n

18\u8fd4\u56de\u5b57\u7b26\u4e32$string\u4e2d\uff0c$search\u7b2c\u4e00\u6b21\u51fa\u73b0\u5230\u5b57\u7b26\u4e32\u7ed3\u675f\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n

Strstr($string,$search)<\/p>\n

19\u67e5\u627e$search\u5728$str\u4e2d\u7b2c\u4e00\u6b21\u4f4d\u7684\u7f6e\uff0c\u4ece$offset\u5f00\u59cb\u3002<\/p>\n

Strpos($str,$search[,int $offset])<\/p>\n

20.\u67e5\u627e$search\u5728$str\u4e2d\u6700\u540e\u4e00\u6b21\u7684\u4f4d\u7f6e\uff0c\u4ece$offset\u5f00\u59cb<\/p>\n

Strrpos($str,$search[,int $offset])<\/p>\n

21.\u66ff\u6362$str\u4e2d\u7684\u5168\u90e8$search\u4e3a $replace\u3002<\/p>\n

Str_replace($search,$replace,$str)<\/p>\n

22.\u91cd\u590d\u8f93\u51fa\u6307\u5b9a\u7684\u5b57\u7b26\u4e32<\/p>\n

Str_repeat()<\/p>\n

23.\u52a0\u5bc6\u5b57\u7b26\u4e32<\/p>\n

Md5()<\/p>\n

24.\u5b57\u7b26\u4e32\u7ffb\u8f6c<\/p>\n

Strrev()<\/p>\n

25.\u4f7f\u7528\u4e00\u4e2a\u5b57\u7b26\u4e32\u5206\u5272\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32,\u5f62\u6210\u4e00\u4e2a\u6570\u7ec4\/\/\u628a\u5b57\u7b26\u4e32\u53d8\u6210\u6570\u7ec4<\/p>\n

Explode(\u201c\u5206\u9694\u7b26\u201d,$str);<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001\u5199\u5165\u6587\u4ef6 1.\u6253\u5f00\u8d44\u6e90\uff08\u6587\u4ef6\uff09fopen($filename,$mode) 2.\u5199\u6587\u4ef6fwrite($ha […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"class_list":["post-78","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/78","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":0,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}