Php curl default timeout1/5/2024 ![]() ![]() This is in line with the current timeout behavior, and the RFC considers this as an acceptable limitation.įurthermore, there is a question in case of platforms which already measure max_execution_time based on wall-clock time. ![]() By default, the value of the new ini setting is 0, which means that the allowed script duration is unlimited.Ī limitation of the implementation is that the timeout takes into effect on a best-effort basis, meaning that the fatal error is triggered only after the call exceeding the time limit is finished. If a script runs longer than the value of max_execution_wall_time, measured in seconds according to wall-clock (or real) time, a fatal error is raised, similarly to what happens when exceeding “max_execution_time”. This RFC proposes to add a max_execution_wall_time ini setting. Let's consider the following piece of code to better illustrate the problem: This risk also applies to CLI scripts which can possibly execute millions of database queries or API requests. This behavior is not only surprising, but it can have serious consequences for high traffic application, where terminating requests which take too long time to process is essential for avoiding cascading failures.Įven if each individual network/system calls have their own timeout, execution time can still horribly go out of control when there are hundreds or even thousands of such calls during the same request. ![]() On most platforms, PHP currently measures the request timeout based on CPU time, rather than wall-clock time, so neither sleep(), nor network or system calls count towards the limit of the max_execution_time ini setting. ![]()
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