ZEND_BRK 3680 Zend/zend_compile.c opline = zend_emit_op(NULL, ast->kind == ZEND_AST_BREAK ? ZEND_BRK : ZEND_CONT, NULL, NULL); ZEND_BRK 574 Zend/zend_opcode.c return opline->opcode == ZEND_BRK ? jmp_to->brk : jmp_to->cont; ZEND_BRK 624 Zend/zend_opcode.c case ZEND_BRK: