PHP Tutorials

First Ajax can not upload files, which misled me for a while, tonight I do not sleep on the instructions to do a no refresh upload files Actually, the principle is simple. Copy the Code code as follows: and the general The label has more than

Copy the Code code as follows: $str = ' ';$pattern = "//];Preg_match_all ($pattern, $str, $match);Print_r ($match);?> The results show:Array([0] = = Array([0] = =)[1] = = Array([0] = upfiles/2009/07/1246430143_1.jpg)) The above describes the

Removes an array element by the specified element value Copy the Code code as follows: Remove elements with a value of "Cat"$a =array ("a" = "Dog", "b" = "Cat", "C" and "Horse");Print_r ($a);unset ($a [Array_search ("Cat", $a)])//array_search (

Array_splice Definition and usage The Array_splice () function, like the Array_slice () function, selects a series of elements in an array, but does not return, but instead deletes them and replaces them with other values. If the fourth argument is

Array_values () Definition and usage The Array_keys () function returns a new array that contains all the key names in the array. If the second argument is supplied, only the key name of the value is returned. If the strict parameter is specified as

Using a program on the Internet to implement PDF as PNG, you need to use the imagic extension. Prompt after installation under Windows: Fatal error:trying to clone a Uncloneable object of class Imagick in C:\www\hx\pdf_to_png.php on line 17 This

Workaround: Using PHP to resolve Use the File_get_contents function, but the pros and cons if the URL is unreachable, a terminating program problem occurs Use curl to return, and then decide whether to execute correctly Use the Get_headers function

# JS Call function method for passing variable parameters Copy the Code code as follows: # Methods for passing variable parameters in PHP call function Copy the Code code as follows: Method OneReceives a series of parameters and outputs

Three easy steps 1) Configure function Add an input for each field want to include in your filter Copy the Code code as follows: $this->widgetschema[' name '] = new Sfwidgetformfilterinput (Array (' with_empty ' = false));$this->validatorschema['

Copy CodeThe code is as follows: function Arraytoobject ($e) {if (GetType ($e)! = ' array ') return;foreach ($e as $k = = $v) {if (GetType ($v) = = ' Array ' | | GetType ($v) = = ' object ')$e [$k]= (object) Arraytoobject ($v);}Return (object)

The default maximum execution time in php.ini is 30 seconds, which is specified by the Max_execution_time variable in php.ini, and if you have a lot of time to do the work, such as sending lots of emails to a large number of senders, or doing heavy

Initially intended to use a foreach history, but found no success, oo not pass, no way oo write ... After the study decided to use for loop, the demo code is as follows: Copy the Code code as follows: $blog =array (Array"Titledata" = "Titlemm",

The first class of methods is done using arrays. First cut the file name into the array, and then find a way to get the last element of the list is OK. The second class of methods is done through the processing of strings, and one method is to use

Require '. /inc/conn.php '; ?> Initial parameter settings $pagesize = 5; Paging size $pagenum = 1; Default to First page First step: Get the current page if ($_get) { if ($_get[' Pagenum ']) { $pagenum =$_get[' Pagenum ']; } } Step two: Get a list

Copy CodeThe code is as follows: /** Author: Hu Rui* Date: 2011/03/19* e-mail: hooray0905@foxmail.com** 20110319* Common database operations, such as: Add or delete changes, get a single record, multiple records, return to the latest one insert

Copy CodeThe code is as follows: /* PHP Object-oriented programming** PHP5** Arrays and objects: a compound type of PHP (one variable can store multiple units)** Objects are more powerful than arrays, not only can you store multiple data, but

The method here is to use the Fputcsv write CSV file method, directly to the browser output Excel file. Copy the Code code as follows: Output Excel file header, you can replace user.csv with the file name you wantHeader ('

Copy CodeThe code is as follows: /* Loop structure* One, while loop* while (expression)* {* loop body;//Repeat until expression is false* }* Second, Do-while cycle* Three, for loop** There are two types of loops depending on the cycle condition*

Copy CodeThe code is as follows: /** First, an overview of arrays* 1. The nature of the array: managing and manipulating a set of variables, batch processing* 2. Compound type when array (multiple can be stored)* 3. You can store any length of

GeoIP Introduction: What is GEPIP? The so-called GeoIP, is through the visitor's IP, positioning his latitude and longitude, country, provinces and cities, and even the location of the street information. The technology is not a problem, the key is