com.caucho.quercus.expr
Class ArrayUnsetExpr

java.lang.Object
  extended by com.caucho.quercus.expr.Expr
      extended by 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