php predefined functions list

Instance Remove the characters to the left of the string: "; Echo LTrim ($str, "Hello"); > Definition and usage The LTrim () function removes white space characters or other predefined characters to the left of the string. Related functions: RTrim ()

: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese

Php programming notes-three methods for obtaining POST data from small_123 php Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese character to pinyin source code Php traverses the Directory, generates the md5

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

PHP/*//Definition $attr = Array (All-in-one), $attr [] = 1; $attr = Array ("One" = "Hello");//array value $attr[0]; $attr ["One"]//array traversal for () foreach () each () list ()*///4. Pointer Traversal/*$attr = Array ("One" = "aaaa", "one" =

Php reserved word list. These words have special meanings in PHP. Some of them are functions, some are constants ...... But they are not. they are only part of the language structure. Words that cannot be used have special significance in PHP. Some

Summary of commonly used string formatting functions in PHP, php functions. Summary of common string formatting functions in PHP. the formatting of php function strings is to process strings in a specific format. Generally, the data submitted to the

Some string operation functions in PHP that can replace regular expression functions and php regular expressions. Some string operation functions in PHP that can replace regular expression functions. php regular expression 0x01: perform lexical

Compiling the source package requires./configure then compile a. so fileOne less error packetInstall packageNormal displayThe LS directory has a./configure fileQuerying module LocationsEditing a configuration fileEditing a configuration fileIncrease

The format of a string is the processing of a string into a particular format. Usually the data that the user gives to the server from the form is in the form of strings, and in order to achieve the desired output, the strings need to be processed