spl o

PHP extension-Overview of the PHP standard Library (SPL) SPL is a set of interfaces and classes used to solve typical problems (standard problems. This extension can only be used later than php 5.0 and will remain valid since PHP 5.3.0 is disabled.

SPL is a set of interfaces and classes that are used to solve typical problems (standard problems). This extension can only be used after PHP 5.0 and is no longer closed from PHP 5.3.0, and will remain valid as part of the PHP kernel

The main data structures used by PHP SPL (standard PHP Library) are: Doubly linked list (Spldoublylinkedlis), Stack (splstack), queue (Splqueue), Heap (Splheap), Dagen ( SPLMAXHEAP), small Gan (splminheap), Priority queue (Splpriorityqueue), fixed

Str_split (PHP 5, PHP 7) Str_split-convert a string to an array str_split-converting a string to an array Descriptionarraystr_split($string[,$split_length1])//Converts a string to an

1. Introduction         stored procedure (Stored Procedure) is a set of SQL statements that are compiled and stored in a database in order to accomplish a specific function. The user executes it by specifying the name of the stored procedure and

__autoload implementation of automatic loading, but due to the introduction of a multi-class library, __autoload Maintenance will be complex, the introduction of SPL_AOTOLOAD,SPL implementation of an automatic loading function list of manual

When using the php oo mode to develop a system, we usually get used to storing the implementation of each class in a separate file, which makes it easy to reuse classes, at the same time, it will be very convenient for future maintenance. This is

(1) autoload mechanism OverviewWhen using the PHP oo mode to develop a system, we usually get used to storing the implementation of each class in a separate file, which makes it easy to reuse classes, at the same time, it will be very convenient for

When using the PHP oo mode to develop a system, we usually get used to storing the implementation of each class in a separate file, which makes it easy to reuse classes, at the same time, it will be very convenient for future maintenance. This is

Transfer from the Internet: (1) Overview of autoload mechanismWhen developing a system using the OO pattern in PHP, it is often customary to store implementations of each class in a separate file, which makes it easy to reuse classes and