Compare include () and require (). Read the comparison between include () and require (). php's require () performance is similar to include. The difference is that for include (), the file is read and evaluated each time when include () is executed; For require (), the file is processed only once (in fact, the file content replaces rephp's require () performance with include. The difference is that for include (), the file is read and evaluated each time when include () is executed; For require (), the file is processed only once (in fact, the file content replaces the require () statement ). This means that if the code containing one of these commands and the code that may be executed multiple times, the use of require () is more efficient. On the other hand, if different files are read each time the code is executed, or there is a loop through a set of file stacks, use include (), because you can set a variable for the file name you want to include, this variable is used when the parameter is include.
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