in_array(被判断的,数组) $now_page="index"; inarray($now_page,$priv); //将数组用分隔符分成字符串 join("分隔符",数组) join() 函数是 implode() 函数的别名。 //字符串替换 str_replace(find,replace,string,count) count是可选的一个变量,对替换数进行计数。 该函数对大小写敏感。请使用 str_...
AI代码解释 a-array b-boolean d-double i-integer o-common object r-reference s-stringC-custom objectO-classN-nullR-pointer referenceU-unicode string php反序列化样例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 <?phpclassmessage{public$from='d';public$msg='m';public$to='1';public...
RETURN_STRINGL(string_key, str_key_len - 1, 1); break; case HASH_KEY_IS_LONG: RETURN_LONG(num_key); break; } } } zend_hash_move_forward_ex(Z_ARRVAL_P(array), &pos); } RETURN_FALSE; } /* }}} */ /* {{{ proto bool in_array(mixed needle, array haystack [, bool st...
$string = str_replace('%2527','',$string); $string = str_replace('*','',$string); $string = str_replace('"','"',$string); $string = str_replace("'",'',$string); $string = str_replace('"','',$string); $string = str_replace(';','',$string); $string = str_...
array(1) {[0] = > string(6)"intval"} filter函数存在 并且debug发现data的值为1不为数组,所以进入三元运算 function array_map_recurisive() 这里的array_map_recurisive()函数为: function array_map_recursive($filter, $data){$result = array();foreach ($data as $key => $val) {$result[$key...
quotes ('...'), double quotes ("..."), and Heredoc syntax (<<<). PHP provides a rich set of built-in functions forreplacing,concatenating,comparing,interpolating, andsplittingstrings. You can also find the length of a string, convert thestring to int, and convert thestring to array. ...
$condition['_string']="FIND_IN_SET(".I("request.subid").",first_subject) and FIND_IN_SET(".I("request.teach_place").",teach_place)"; } $condition['check']=3; 二.利用字符串字段,查找每个字符对应的相关表的数据 适用情况:
PHP Sessions are bits of data about a user, meant to stick with users as they navigate your site. A PHP Session involves setting a cookie calledPHPSESSIDwith a unique identification string as the value. EX: Storing shopping cart data, recently viewed items, or a logged-in status across mul...
12 * @return array<string, string> 13 */ 14 protected function casts(): array 15 { 16 return [ 17 'is_admin' => 'boolean', 18 ]; 19 } 20}After defining the cast, the is_admin attribute will always be cast to a boolean when you access it, even if the underlying value is sto...
prefix (string, defaults to "PHPREDIS_SESSION:"): used as a prefix to the Redis key in which the session is stored. The key is composed of the prefix followed by the session ID. auth (string, or an array with one or two elements): used to authenticate with the server prior to send...