callback_error 149 main/SAPI.c char *callback_error = NULL; callback_error 152 main/SAPI.c if (zend_fcall_info_init(callback, 0, &fci, &SG(fci_cache), NULL, &callback_error) == SUCCESS) { callback_error 166 main/SAPI.c if (callback_error) { callback_error 167 main/SAPI.c efree(callback_error);