PHP Tutorials

Copy CodeThe code is as follows: Class Sessiontodb { Private $_path = null; Private $_name = null; Private $_pdo = null; Private $_ip = null; Private $_maxlifetime = 0; Public function __construct (PDO $pdo) { Session_set_save_handler ( Array (&

first, Chinese interception: mb_substr () Mb_substr ($str, $start, $length, $encoding) $str, the string that needs to be truncated $start, starting at 0 at the beginning of the truncation $length, the number of words to intercept $encoding, page

Find a workaround on the Web: Copy CodeThe code is as follows: /* Handling Json_encode Chinese garbled */ $data = Array (' Game ' = ' ice Fire country ', ' name ' = ' thorn spirit ', ' country ' + ' frost State ', ' level ' = 45); echo Json_encode

Package download pain.php Copy CodeThe code is as follows: Class Pain { Public $var =array (); Public $tpl =array (); The the method to assign VARs to the template Public function assign ($variable, $value =null) { $this->var[$variable]= $value; }

array_intersect () Definition and usage The Array_intersect () function returns an array of intersections of two or more arrays. The result array contains all of the values in the array that are being compared and also in all other parameter

Copy CodeThe code is as follows: function Createhashdir ($sign) { $MD 5 = MD5 ($sign); if (!is_dir (Mb_cache)) mkdir (Mb_cache); for ($i =1; $i { $dir. = $md 5{$i}. ' /'; if (!is_dir (Mb_cache. $dir)) { mkdir (Mb_cache. $dir); } } return Mb_cache.

This time support upload 2 images, upload the original image and poor quality diagram, the original image for the preservation of high-quality pictures, poor quality of the picture for the page display. PHP Code Copy CodeThe code is as

Copy CodeThe code is as follows: 　　 　　 No refresh upload file 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 　　 PHP code 　　 Sleep (2); $fileTypes = array (' jpg ', ' png ', ' gif ', ' bmp '); $result = null; $uploadDir =

Krsort () Definition and usageThe Krsort () function reverses the array by key, preserving the original key for the set value. The Second optional parameter contains an additional sort flag. Returns TRUE if successful, otherwise FALSE is returned.

In general we will write this: Copy CodeThe code is as follows: if ($_get[' time ']==null) { $time = time (); } Else { $time = $_get[' time ']; } Echo $time; If get has time this value is brought into the variable. ?> If only simple judgment,

Sort () Definition and usageThe sort () function sorts the values of the given array in ascending order. Note: This function assigns the new key name to the cells in the array. The original key name is deleted. Returns TRUE if successful,

Array_search () Definition and usage The Array_search () function, like In_array (), looks for a key value in the array. If the value is found, the key name of the matching element is returned. Returns False if it is not found. Before PHP 4.2.0,

So it is doubtful whether the coding problem, or the file permissions problem, or is not the function of the problem, after the investigation found that the original is WAN L1 host does not support Fsockopen, in the file uc_client/client.php

Array_key_exists () Definition and usageThe array_key_exists () function determines whether the specified key exists in an array, returns TRUE if the key exists, or false otherwise. Grammar Array_key_exists (Key,array) Parameter description Key is

Shuffle () Definition and usageThe shuffle () function rearranges the elements in the array in random order. Returns TRUE if successful, otherwise FALSE is returned. Note: This function assigns the new key name to the cells in the array. This will

Array_keys () Definition and usageThe 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

Array_combine () Definition and usageThe Array_combine () function creates a new array by merging two arrays, one of which is the key name and the value of the other array is the key value. If one of the arrays is empty, or if the number of

At that time to obtain video length is the use of Web-based universal access to FLV video file length method, but this method only for FLV video support, other formats of video to get the value is very poor, Here is an introduction: the use of

problem description; Get the thumbnail and video time length of FLV video Google a half-day discovery can use FFmpeg to get some information about the video, first introduce FFMEPG Here's a quick look: FFmpeg is a complete solution for

So, the first chapter, reusable class code to paste out, easy to consult later and to provide the necessary friends. : User class, including read and set database, and save change interaction Copy CodeThe code is as follows: Class user{ Private