php function

PHP function Fgets--reading a line from the file pointerstring fgets (int handle [, int length]) Reads a row from the file pointed to by handle and returns a string of up to length-1 bytes in length. Stop after encountering a newline character

Defined Get the length and width of the picture. Grammar: Array getimagesize (string filename, array [imageinfo]); return value: Array Function Type: Graphics processing Content Description: PHP function getimagesize can be used to obtain GIF, JPEG

As we all know,php function Array_flip () format: Array Array_flip (array trans)//array_flip--swap keys and values in an array Here's how: $ arr

Php functions, php function manual The real power of PHP comes from its functions. PHP provides over 1000 built-in functions. In this chapter, we will explain how to create your own functions. To execute the script during page loading, you can put

We will give you a detailed introduction in this article. PHP function extension code example: ? Php Function choose ($ name, $ id, $ task ){ Global $ db_link; ..... Return $ xx; } ?>  On the called page, it is often $ tmp = choose ($

In useDefinition and usage The PHP function echo () Outputs one or more strings. Syntax Echo (strings) Parameter description Strings is required. One or more strings to be sent to the output. Tips and comments Note: echo () is actually not a

This article mainly introduced Baidu engineers talk about the implementation of PHP functions and performance Analysis (a), the need for friends can refer to the Objective In any language, a function is the most basic constituent unit. What are

PHP function name parameter arrayarray_filter (array $ input [, callable $ callback]) some functions such as call_user_func () or usort () can accept custom callback functions as parameters. Callback functions can not only be simple functions, but

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

When we want to add a multilevel catalog to our website, we can use the PHP function mkdir parameters and descriptions Path is required. Specifies the name of the directory to create.Mode required. Set permissions. The default is 0777.Recursive

In many high-level languages,Syntax: int ereg (string pattern, string string, array [regs]); return value: Integer/array Function type: Data processing php function Ereg () content description This function parses string strings with the rule of

When you useThe following example first demonstrates how to use the PHP function Array_push () to add elements to the end of an array: ? /* First we create an array */ $ Fruitarray = Array ("Apple", "orange", "banana", "Peach", "pear"

We want to write a First, PHP function date () Gets the current time Code: php echo $showtime=date("y-m-d h:i:s "); ?> Format displayed: Year-month-day hours: minutes: seconds Second, PHP5 php function date () Get

Analysis of precautions for passing a value in a php function. Php function reference transfer notes analysis, this article describes the php function reference transfer notes. For your reference, the details are as follows: Analysis of precautions

Regularexpression (php function), regularexpression. Regularexpression (php function), regularexpression1. regular expression is a string search and matching tool 2. common regular expression functions in php: preg_match ($ pattern, $ subject)

In PHP function is commonly used a reasonable reusable method, the function of the system functions and user-defined functions, the following I will give you the use of these two PHP functions, there is a need to understand the friends can refer to.

We are learning1. The format of PHP function explode is as follows: Array explode (string separator, string, [int limit]); 2. The separator in the parameter is the separator, the string is the string to be split, and the limit is the maximum number

For beginners, understanding the usage of common functions in PHP is the basis for their continued learning. Today we will give you a detailed introduction.DescriptionArray split (string $ pattern, string $ string [, int $ limit]) PromptThe

Detailed description of the str_replace function of PHP. During the actual period, we read the PHP function str_replace in the book PHP and MySQLWeb development. a small prompt says: we can use arrays for all three of str_replace.During this time, I

PHP function learning-PHP function comments 1. print_r () Prints easy-to-understand information about Variables. if it is an array, the structure of the array is displayed. For example: The code is as follows: $ A = array ('a' => 'apple', 'B' =>