Detailed explanation of php5 and mysql5 web development technology-4 PHP control structures and functions_PHP tutorial

The content is small and will be supplemented later.

1. Branch structure

if()

if(){}elseif(){}

Switch statement: switch case

2. Loop structure

break and continue

while

do...while

for

foreach loop

3. Contains control

include()/include_once()

require()/require_once()

eval() is more important. Can turn a string into executable code.

4. Function to terminate script execution:

exit()/dir(), the same function, the same usage.

http://www.bkjia.com/PHPjc/477715.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/477715.htmlTechArticleThe content is small and will be supplemented later. 1. Branch structure if() if(){}elseif(){} switch statement: switch case 2. Loop structure break and continue while do...while for foreach loop 3. Contains...