Process 32910 (php-fpm) of user apache dumped core. Stack trace of thread 32910: #0 _emalloc (php-fpm + 0x3d2ab7) #1 zend_string_tolower_ex (php-fpm + 0x3f5313) #2 zend_compile_use (php-fpm + 0x3d5118) #3 zend_compile_stmt (php-fpm + 0x3dbde0) #4 zend_compile_top_stmt (php-fpm + 0x3dbc68) #5 zend_compile_top_stmt (php-fpm + 0x3dbce8) #6 zend_compile (php-fpm + 0x3bcfae) #7 compile_file (php-fpm + 0x3be76a) #8 phar_compile_file (phar.so + 0x26616) #9 opcache_compile_file (opcache.so + 0x22041) #10 persistent_compile_file (opcache.so + 0x24d73) #11 xdebug_compile_file (xdebug.so + 0x1c60f) #12 compile_filename (php-fpm + 0x3be7cd) #13 zend_include_or_eval (php-fpm + 0x43186a) #14 ZEND_INCLUDE_OR_EVAL_SPEC_OBSERVER_HANDLER (php-fpm + 0x43f589) #15 execute_ex (php-fpm + 0x466e05) #16 ZEND_DO_FCALL_SPEC_OBSERVER_HANDLER (php-fpm + 0x233daa) #17 execute_ex.cold (php-fpm + 0x234cfd) #18 zend_call_function (php-fpm + 0x3ef46a) #19 zend_call_known_function (php-fpm + 0x3ef88d) #20 spl_perform_autoload (php-fpm + 0x2f2c74) #21 zend_lookup_class_ex (php-fpm + 0x3ee64d) #22 zend_fetch_class_by_name (php-fpm + 0x3efcc6) #23 ZEND_NEW_SPEC_CONST_UNUSED_HANDLER (php-fpm + 0x43cd77) #24 execute_ex (php-fpm + 0x4672f0) #25 ZEND_DO_FCALL_SPEC_OBSERVER_HANDLER (php-fpm + 0x233daa) #26 execute_ex.cold (php-fpm + 0x234cfd) #27 ZEND_DO_FCALL_SPEC_OBSERVER_HANDLER (php-fpm + 0x233daa) #28 execute_ex.cold (php-fpm + 0x234cfd) #29 ZEND_DO_FCALL_SPEC_OBSERVER_HANDLER (php-fpm + 0x233daa) #30 execute_ex.cold (php-fpm + 0x234cfd) #31 ZEND_DO_FCALL_SPEC_OBSERVER_HANDLER (php-fpm + 0x233daa) #32 execute_ex.cold (php-fpm + 0x234cfd) #33 ZEND_INCLUDE_OR_EVAL_SPEC_OBSERVER_HANDLER (php-fpm + 0x43f914) #34 execute_ex (php-fpm + 0x466e05) #35 zend_execute (php-fpm + 0x470f15) #36 zend_execute_scripts (php-fpm + 0x3fe770) #37 php_execute_script (php-fpm + 0x396d5a) #38 main (php-fpm + 0x23ff03) #39 __libc_start_call_main (libc.so.6 + 0x295d0) #40 __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x29680) #41 _start (php-fpm + 0x241d15) ELF object binary architecture: AMD x86-64