The current() function in php returns the current element (unit) in the array. Each array has an internal pointer pointing to its "current" unit, which initially points to the first unit inserted into the array. If we execute current once, the internal pointer will point to the next unit, and we can use current to get the value of the current unit in the array. This article collects several articles on the usage of PHP's array operation function current(). I hope it will be helpful to everyone's understanding of array operations. 1. php array function current() definition and usage The current() function in php returns the current element (unit) in the array. If the current element is empty or the current element has no value, it returns FALSE. Each array has an internal pointer pointing to its "current" element, which initially points to the first element inserted into the array. This function does not move the internal pointer of the array. If you need to move the pointer, you need to cooperate with other functions. Let’s take a look. 2. Detailed explanation of php end() function and current() function usage examples in php end
1.Recommended 10 articles about php current
Introduction: The current() function in PHP returns the current element (unit) in the array. Each array has an internal pointer pointing to it. Its "current" unit initially points to the first unit inserted into the array. If we execute current once, the internal pointer will point to the next unit, and we can use current to get the value of the current unit in the array. This article collects several articles on the usage of PHP's array operation function current(). I hope it will be helpful to everyone's understanding of array operations. 1.php array function current(...
2.10 recommended articles about array operations
Introduction: The current() function in PHP returns the current element (unit) in the array. Each array has an internal pointer pointing to its "current" The unit initially points to the first unit inserted into the array. If we execute current once, the internal pointer will point to the next unit. We can use current to get the value of the current unit in the array. This article collects several articles about. The usage of php array function current(), I hope it will be helpful to everyone's understanding of array operations. 1.php array function current(...
3.mysql_fetch_field function example. Usage summary
Introduction: mysql_init initializes the database link – gets a link mysql_real_connect connects to the database server and executes mysql_query query – The query statement is a string that retrieves each row separately. mysql_store_result – the result is stored in the link. It is a one-time query. From the result set, the header information is obtained – mysql_fetch_fields – the header information is stored in the memory space parsing table pointed to by the MYSQL_FIELD type pointer. Header –mysql_...
4.Summary of usage of mysql_fetch_field() function
Introduction: mysql_init initializes the database link – gets a link mysql_real_connect connects to the database server and executes mysql_query query – the query statement is a string and retrieves each row separately mysql_store_result – the result is stored in the link and belongs once The query obtains the header information from the result set – mysql_fetch_fields – the header information is stored in the memory space pointed to by the MYSQL_FIELD type pointer and parses the header – mysql_...
##5.php Returns the elements in the array current() function usage summary
Introduction: The current() function in PHP returns the current element (unit) in the array. Each array has an internal pointer pointing to its "current" unit, which initially points to the element inserted into the array. For the first unit, if we execute current once, the internal pointer will point to the next unit, and we can use current to get the value of the current unit in the array. This article collects several articles on the usage of PHP's array operation function current(). I hope it will be helpful to everyone's understanding of array operations.
Introduction: The current() function in PHP returns the current element (unit, which is the first element of the array) in the array. The next() function points the internal pointer to the next element in the array. element and output the value of the element. The reset() function points the internal pointer to the first element in the array and outputs the value of the element. This article mainly introduces the usage of current, next and reset functions in PHP. The example form details the specific usage of the functions current, next and reset for array operations in PHP. It has certain reference value for in-depth understanding of the usage of arrays. I hope it will be helpful to everyone's understanding of arrays
7.Detailed explanation of usage examples of php end() function and current() function
# #Introduction: The end() function in php points the internal pointer of the array to the last element and returns the value of the element, while the current() function returns the current element (unit) in the array, which is the first element of the array. One of the two functions returns the first element of the array, and the other returns the last element of the array. Let’s take a look at the usage of these two functions.
8.php Array Definition and usage of function current()
#Introduction: The current() function in php returns the Current element (unit), if the current element is empty or the current element has no value, it returns FALSE. Each array has an internal pointer pointing to its "current" element, which initially points to the first element inserted into the array. This function does not move the internal pointer of the array. If you need to move the pointer, let's take a look at it.
php framework and ajax implementation. Summary of drop-down menu functions
##Introduction: In Web development, drop-down menus are displayed in It consists of the main menu bar at the top of the window and submenus below each menu bar. Usually, only the menu bar is displayed in the window, and when the mouse pointer points to the menu bar, the submenus of the menu bar are displayed. The menu is displayed10.
Summary of methods to use jQuery to achieve various drop-down menu functionsIntroduction: jQuery is a javascript library that is very convenient to use and very powerful. Normally, only the menu bar is displayed in the window, and when the mouse pointer points to the menu bar, the menu bar's submenus are displayed. When the mouse pointer leaves the menu, the submenu is hidden and only the main menu bar is displayed.
[Related Q&A recommendations]:
javascript - Ask a question about JS function.apply()
Memory issues pointed to by pointers in c++
Arithmetic issues with pointers in C language
java - c/c++ pointers point to arrays and data Is there any ambiguity in type judgment?
c++ - What happens after calling the free() function on a piece of memory?
The above is the detailed content of 10 recommended articles about pointers. For more information, please follow other related articles on the PHP Chinese website!