保存退出后,重新启动XAMPP控制面板各程序,再打开仪表盘面板即可消除上述警告。 引用 https://stackoverflow.com/questions/59231779/allocation-of-jit-memory-failed-pcre-jit-will-be-disabled-warning-in-php-7/59579035
12. The JIT stack should be freed when the low-level stack allocation fails.13. In pcre2grep, if the final line in a scanned file is output but does not end with a newline sequence, add a newline according to the --newline setting....
jit_stack *pcre2_jit_stack_create(PCRE2_SIZE startsize, PCRE2_SIZE maxsize, pcre2_general_context *gcontext); void pcre2_jit_stack_assign(pcre2_match_context *mcontext, pcre2_jit_callback callback_function, void *callback_data); void pcre2_jit_stack_free(pcre2_jit_stack *jit_stack...
whereas pcre2_substring_get_bynumber() + copies it into new memory, obtained using the same memory allocation + function that was used for the match data block. The
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{ size_t jit_size = 0; if (!pcre2_pattern_info(re, PCRE2_INFO_JITSIZE, &jit_size) && jit_size > 0) { poptions |= PREG_JIT; } } else if (rc == PCRE2_ERROR_NOMEMORY) { php_error_docref(NULL, E_WARNING, "Allocation of JIT memory failed, PCRE JIT will be disabled. " ...