com.caucho.quercus.expr
Class ArrayUnsetExpr

java.lang.Object
  com.caucho.quercus.expr.Expr
      com.caucho.quercus.expr.ArrayUnsetExpr

Direct Known Subclasses:

ArrayUnsetExprPro

public class ArrayUnsetExpr
extends Expr

Represents a PHP array unset expression.

Field Summary

protected Expr	_expr
protected Expr	_index

Fields inherited from class com.caucho.quercus.expr.Expr

COMPILE_ARG_MAX

Constructor Summary

ArrayUnsetExpr(Expr expr, Expr index)

ArrayUnsetExpr(Location location, Expr expr, Expr index)

Method Summary

Value	eval(Env env) Evaluates the expression.
java.lang.String	toString()

Methods inherited from class com.caucho.quercus.expr.Expr

assign, canRead, createAssign, createAssignFrom, createAssignRef, createCall, createClassConst, createClassField, createClassField, createCopy, createDeref, createFieldGet, createFieldGet, createIsset, createRef, createUnset, evalArg, evalArgs, evalArray, evalArrayAssign, evalAssignRef, evalAssignValue, evalBoolean, evalChar, evalConstant, evalConstantPrefix, evalConstantSuffix, evalCopy, evalDirty, evalDouble, evalIsset, evalLong, evalObject, evalPostIncrement, evalPreIncrement, evalRef, evalString, evalStringValue, evalTop, evalUnsetArray, evalValue, evalVar, getFileName, getFunctionLocation, getLine, getLocation, getLocationLine, isArray, isAssign, isBoolean, isConstant, isDouble, isFalse, isLiteral, isLong, isNumber, isRef, isString, isTrue, isVar, print

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

_expr

protected final Expr _expr

_index

protected final Expr _index

Constructor Detail

ArrayUnsetExpr

public ArrayUnsetExpr(Location location,
                      Expr expr,
                      Expr index)

ArrayUnsetExpr

public ArrayUnsetExpr(Expr expr,
                      Expr index)

Method Detail

eval

public Value eval(Env env)

Evaluates the expression.

Specified by:

eval in class Expr

Parameters:

env - the calling environment.

Returns:

the expression value.

toString

public java.lang.String toString()

Overrides:

toString in class Expr