com.caucho.quercus.expr

Class FunIssetExpr

java.lang.Object

com.caucho.quercus.expr.Expr

com.caucho.quercus.expr.AbstractUnaryExpr

com.caucho.quercus.expr.FunIssetExpr

public class FunIssetExpr
extends AbstractUnaryExpr

Represents a PHP isset call

Field Summary

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

_expr

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

COMPILE_ARG_MAX, NULL_ARGS

Constructor Summary

Constructors

Constructor and Description
FunIssetExpr(Expr expr)
FunIssetExpr(Location location, Expr expr)

Method Summary

Modifier and Type	Method and Description
Value	eval(Env env) Evaluates the expression.
boolean	isBoolean() Return true as a boolean.
java.lang.String	toString()

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

getExpr

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

FunIssetExpr

public FunIssetExpr(Location location,
                    Expr expr)

FunIssetExpr

public FunIssetExpr(Expr expr)

Method Detail

isBoolean

public boolean isBoolean()

Return true as a boolean.

Overrides:

isBoolean in class Expr

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