print_r(array_map("add", $arr1));?> 輸出 Array ( [0] => 9 [1] => 8 [2] => 4 [3] => 6 ) 解釋 在上麵的例子中,我們定義了一個函數,它將輸入作為一個數組,並將該數組的每個元素加 2 注:本文由純淨天空篩選整理自Alok Prasad大神的英文原創作品Explain array_map() function in PHP。
在第二個表達式中,我們將段長度作為 "4" 傳遞,因此它將字符串轉換為一個長度為 4 的段的數組。 Alok Prasad大神的英文原創作品Explain str_split() function in PHP。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。
function explain($code, $type = EXPLAIN_FILE, &$classes = array(), &$functions = array()); /* * explain_opcode * @param opcode the opcode * @return string */ function explain_opcode($opcode); /* * explain_optype * @param optype the optype * @return string */ function explain_...
PHP / PHP Library Manual / API Documentation / MongoDB\Collection New in version 1.4. Definition MongoDB\Collection::explain() Explain the given command. functionexplain( MongoDB\Operation\Explainable$explainable, array$options= [] ):array|object ...
IO.IOException' occurred in mscorlib.dll. Additional information: The process cannot access the file because it is being used by another process. Angle between two lines Anti debugging code in C# any equivalent in c# for bytearray outputstream/inputstream and data outputstream/inputstream? App ...
It's really an implementation issue, but std::locale has a static function that retrieves and set the 'global' locale. The global locale is defined to be used in several areas of the standard library which implies that there must be a global locale somewhere. In implementations that support...
- it appears at first glance like the sum-function (and possibly other group-related fu) in create-temp-table allocate the item and its field on different mem-roots, which leads to different lifetimes (with the create_temp_field-generated field going out of scope when the temp table goes)...
in *__GI___assert_fail (assertion=0x86fdad5 "! is_set()", file=0x86fd9f0 "mysql/mysql-5.5-runtime/sql/sql_error.cc", line=360, function=0x86fe060 "void Diagnostics_area::set_ok_status(THD*, ulonglong, ulonglong, const char*)") at assert.c:81 #9 0x081f1bec in ...
2) Explain why functions with an array parameter are usually complemented with an additional integer parameter (reference specifics in this workshop to explain your answer). Question 1: What command would you use to display your current directory? 1) When passing an array to a...
Explain the IN and LIKE operators as they are used in the where clause of a select statement. Why HTML is not a programming language? Write a function that takes an array and returns a new array with numbers that are multiples of X removed javascript program. What i...