php pre increment

1, bitwise operatorsThe bitwise operator is used to set the specified bit of an integer number, and if the operand is a string, the ASCII value of the string is manipulated. Type of operation Operator Example Results

1, bitwise operatorsThe bitwise operator is used to set the specified bit of an integer number, and if the operand is a string, the ASCII value of the string is manipulated. Type of operation Operator Example Results

Answer the question in the previous section first. 01 02 $foo= 10; 03 $bar= 20; 04   05

PHP performance optimization Daquan (php. ini), performance optimization php. ini. PHP performance optimization (php. ini), performance optimization php. chapter 1 of ini is aimed at optimizing too many system calls. my optimization is aimed at too

PHP performance optimization (php. ini), performance optimization php. ini Chapter 1 Optimization of excessive system callsMy Optimization Aimed at too many syscall calls, so I used strace to track apache for analysis. 1. apache2ctl-X &Use the-X

PHP expressions. Expressions are the most important cornerstone of PHP. In PHP, almost everything you write is an expression. The simplest but most accurate way to define an expression is "anythingtha expression is the most important cornerstone of

In view of the lessons of the Mini project, many places are not standard enough and inefficient. Therefore, in the further study of PHP, combined with Internet resources on the knowledge of PHP to do a certain summary, in order to avoid

When we do a table operation on MySQL, we will not be able to rely on MySQL's autoincrement to produce a unique ID because the data is scattered across multiple tables.Should try to avoid the use of self-increasing IP to do the primary key, for the

Some PHP performance optimization + my own opinions + explanations. PHP optimization for PHP is mainly for php. the main parameters in ini are adjusted and set properly. let's take a look at php below. some parameters in ini that have a major impact

Introduction to PHP performance optimization. PHP optimization for PHP is mainly for php. the main parameters in ini are adjusted and set properly. let's take a look at php below. how to optimize some parameters in ini that have a major impact on