PHP Tutorials

!--? php /** * No duplicate element values for multiple arrays * by bbs.it-home.org */ function Array_values_merge () { $ARGC = Func_num_args (); if ($ARGC = = 0) {

This article introduces the following, PHP set the session expiration method, introduced the more detailed, the need for friends, refer to it.The simplest way to set the session expiration in PHP is to modify the Session.gc_maxlifetime in the PHP

This article describes the specific use of static variable modifiers in PHP, including some commonly used examples, friends who need to refer to the next bar.A PHP static variable exists only in the local function domain, but its value is not lost

$ip = "192.168.1.2"; $ip _n = Ip2long ($IP); echo $ip _n; Get-1062731518 ?> Copy CodeCause: The integer value of the IP conversion is too large to exceed the range of the integral type, so it becomes negative.You need to make

This article describes, In PHP programming to determine the format of the image method, which is also the most basic method, by judging the file extension to achieve. Please refer to the friends who are in need. PHP to determine the image format,

Print Number_format (100000.56); ?> Copy CodeExample 2,number_format ($n, $p, $t, $d) rounds $n to $p decimal places, using $t as the thousands separator and $d as the decimal Separator. echo

In this paper, we introduce the method of merging, appending and joining arrays in PHP, mainly the usage of function array_merge () and Array_combine (). Refer to a friend who needs it.1, first, merge the array.The Array_merge () function merges the

This article details the use of regular expression in PHP to match the path of the image, the need for friends can refer to the study.PHP Regular match image path:Copy Codecode example:/\ "\ ' \s]*)/ITo save an article using Kindeditor, you need to

This article introduces, with PHP and JS implementation of the current page to obtain the full URL of the method, two examples for everyone to learn the reference.1,javascript implementation gets the address This.location.href the current window of

/** * Content Keyword Replacement * by bbs.it-home.org */ $arr =array ( "Shoes" = "shoes", "Socks" = "socks", "Skirt" = "skirt", "Dresses" and "dresses", ); $str = "Shoes socks shoes sock shoe socks

This article describes the PHP search file and lists the name of the search for a sample code for beginners to refer to a friend.First look at a simple PHP search file and display the code.As follows: Here are the more powerful, more complex

EXEC ("mkdir d:\\test", $out); Print_r ($out); ?> Copy CodeExecuting the PHP file, you will find a test folder under the D drive.Reference Document: EXEC function parsing exec syntax: string exec (String command, string

This article describes the PHP array to take the current array of values of the method, there is a need for a friend reference.In the operation of the PHP array, you can use the current () function to return the array value in the array where the

$json _string = Json_encode (Array ( ' Blog.9696e.com ' )); echo Preg_match ('/[^,:{}\\[\\]0-9.\-+eaeflnr-u \n\r\t]/', $json _string)? ' Yes ': ' No '; ?> Copy CodeWith the above code, detection is JSON format,

This article introduces, using PHP to determine the upload file size of a piece of code, the need for a friend reference.The code is as follows: 120 | | $arr [2]>60] {echo "; exit (); } switch ($type) {case ' image/pjpeg ': $ok = 1;

This article describes the following, PHP to get a few weeks of the various methods, have the need for friends, refer to it.How PHP Gets the day of the week.Example:Copy Codecode example: Date ("L");//data can get English for weeks such as

This article describes the use of PHP in the Var_dump () method, the need for friends, refer to it.An example of a var_dump usage is as follows: ";//var_dump ($c); $d =var_dump ($c); echo""Echo $a; echo""Echo $b; echo"";? >Output: String

This article describes the PHP array operation function of the array_values () function usage, with the need for a friend reference.In the PHP array function, the array_values () function returns all the values in an array and automatically provides

This article introduces the use and difference of the string interception function in PHP, substr (), Mb_substr () and mb_strcut, and it is necessary for friends to refer to it.First, look at the substr function. The PHP substr () function is used

!--? php /** * decimal Rounding and 0 * by bbs.it-home.org */ function Round_pad_zero ($num, $precision) { if ($precision return round ($num, 0); } $r _num =