预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

The following opcodes are defined as constants by uopz before 5.0.0:

ZEND_EXIT (int)

Invoked by exit() and die(), receives no arguments. Return boolean true to exit, false to continue

ZEND_NEW (int)

Invoked by object construction, receives the class of object being created as the only argument

ZEND_THROW (int)

Invoked by the throw construct, receives the class of exception being thrown as the only argument

ZEND_FETCH_CLASS (int)

Invoked upon composure, receives the class the name of the class being fetched as the only argument

ZEND_ADD_TRAIT (int)

Invoked upon composure, receives the class the trait is being added to as the first argument, and the name of the trait as the second argument

ZEND_ADD_INTERFACE (int)

Invoked upon composure, receives the class the interface is being added to as the first argument, and the name of the interface as the second argument

ZEND_INSTANCEOF (int)

Invoked by instanceof operator, receives the object being verified as the first argument, and the name of the class which that object should be as the second argument

The following constants control the VM's behaviour after a user handler is invoked, be extremely careful! These constants are removed as of uopz 5.0.0.

ZEND_USER_OPCODE_CONTINUE (int)

Advance 1 opcode and continuue

ZEND_USER_OPCODE_ENTER (int)

Enter into new op_array without recursion

ZEND_USER_OPCODE_LEAVE (int)

Return to calling op_array within the same executor

ZEND_USER_OPCODE_DISPATCH (int)

Dispatch to original opcode handler

ZEND_USER_OPCODE_DISPATCH_TO (int)

Dispatch to a specific handler (OR'd with ZEND opcode constant)

ZEND_USER_OPCODE_RETURN (int)

Exit from executor (return from function)

The following modifiers are registered as constants by uopz

ZEND_ACC_PUBLIC (int)

Mark function as public, the default

ZEND_ACC_PROTECTED (int)

Mark function as protected

ZEND_ACC_PRIVATE (int)

Mark function as private

ZEND_ACC_STATIC (int)

Mark function as static

ZEND_ACC_FINAL (int)

Mark function as final

ZEND_ACC_ABSTRACT (int)

Mark function as abstract

ZEND_ACC_CLASS (int)

Dummy registered for consistency, the default kind of class entry. Removed as of uopz 5.0.0.

ZEND_ACC_INTERFACE (int)

Mark class as interface. Removed as of uopz 5.0.0.

ZEND_ACC_TRAIT (int)

Mark class as trait. Removed as of uopz 5.0.0.

ZEND_ACC_FETCH (int)

Used for getting flags only. Removed as of uopz 5.0.0.