php function

[Switch] php function reference is reprinted from? Is hosserer finally edited? Hosserer? An image metaphor: Reference: You are my shadow, what I wear, what I wear, and what I wear. you are unset, and I am still me. Pass value: You are a photo of me

As we all know, there are many ways to delete array elements in PHP, and the functions used frequently are PHP array_unique (). So the PHP function Array_flip () We're going to introduce to you today is about 5 times times more efficient than the

In our use The syntax format for PHP function Mysql_error () is as follows: String Mysql_error ([resource $link _identifier]) The PHP function mysql_error () returns an error message generated by the previous MySQL function and returns an empty

ForThis time in reading "PHP and MySQL Web development" a book to see Str_replace explanation, a little hint to write: can be used in the array of Str_replace three, but the explanation is relatively simple, so decided to experiment with the

php function extension_loaded () Usage Example This article mainly introduces the PHP function extension_loaded () usage, the example analyzes the function extension_loaded () to check whether an extension has loaded the specific usage, and adds to

Baidu engineers talk about the implementation principle and performance analysis of PHP functions (iii) This article mainly introduced the Baidu engineer to say PHP function realization principle and the performance analysis (three), this article

What is the difference between PHP function function_exists (), method_exists () and is_callable ()? First, the next two: Method_exists () and is_callable ():In the design process of the PHP face object, we often need to make a judgment when calling

This article illustrates the function invocation and function definition syntax, and explains the variables in functions and the transfer of numerical methods to functions. Share for everyone's reference. Specifically as follows: The basis of a

Definition and usageThe PHP function microtime () returns the current Unix Timestamp and the number of microseconds.PHP function microtime () syntaxMicrotime (get_as_float)PHP function microtime () parameter and descriptionIf the get_as_float

The PHP function header () is used to parse a single part. The following is a script called calling. php :! DOCTYPEHTMLPUBLIC-W3CDTDHTML4.0TransitionalENwww.w3.org today we explain how to use the specific contentThe following is a script called

Describes how to use the PHP function stristr. In actual encoding, we can find strings. If we need to find the location where another string appears for the first time, how should we write it? Today, we will find strings in actual encoding. If we

Explore how PHP functions split () use regular expressions to cut strings. For beginners, understanding the usage of common functions in PHP is the basis for their continued learning. Today, we will introduce arraysplit (string $ pattern, string $ s)

The PHP function printarray () cannot output objects. Disadvantages of the PHP function printarray (): The print_r () object cannot be output. the printarray ($ _ REQUEST) object can be output. functionprintarray ($ strs, $ numbers0) {$ space; space

What we will introduce to you today is:Array_merge is described in the reference manual as follows: The PHP function array_merge () combines two or more arrays. The values in an array are appended to the values of the previous array. Returns an

PHP function fwrite-write a file (which can be safely used for binary files) Description Int fwrite (resource handle, string [, int length]) The PHP function fwrite writes the string content to the handle of the file pointer. If length is specified,

Why can't I remember PHP function names? why can't I remember PHP function names? when I use more functions, I remember that although there are many php functions, there are dozens of commonly used functions, well. At the beginning, this was the

[Switch] php function reference is reprinted from? Is hosserer finally edited? Hosserer? An image metaphor: Reference: You are my shadow, what I wear, what I wear, and what I wear. you are unset, and I am still me. Pass value: You are a photo of me

For beginners, mastering the usage of common functions in PHP is the basis of their continued learning. Today we will give you a detailed introduction about Description Array split (string $pattern, string $string [, int $limit]) TipsThe Preg_split

In previous articles, we introduced the specific use of the explode () function. When we meetThe PHP function implode () combines the array elements into a single string. Implode (Separator,array) Separator is optional. Specifies what is placed

For beginners, peopleDescription of array preg_split (string $pattern, string $subject [, int $limit [, int $flags]]) Returns an array that contains the substrings in the subject that are split along the boundary that matches the pattern. If limit