How do I create an empty op_array?

In my PHP extension, how can I create a开发者_StackOverflow社区n op_array with no opcodes in it?

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You can use init_op_array(), declared in from zend_compile.h:

zend_op_array * op_array = emalloc(sizeof(zend_op_array));
init_op_array(op_array, type, INITIAL_OP_ARRAY_SIZE TSRMLS_CC);

type can be ZEND_EVAL_CODE or ZEND_USER_FUNCTION.