в 10:37, 26 мая 2010

2010-05-26T10:37:27Z

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2010-05-26T07:00:49Z

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==Call class method dynamically==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$p = new Person("A",10);
$method = "getId"; // define a method name
print $p->$method(); // invoke the method
?>

</source>

==Class method info: is private, is public, is protected==



<source lang="html4strict">

<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$prod_class = new ReflectionClass( "Person" );
$methods = $prod_class->getMethods();
foreach ( $methods as $method ) {
print methodData( $method );
print "\n----\n";
}
function methodData( ReflectionMethod $method ) {
$details = "";
$name = $method->getName();
if ( $method->isPublic() ) {
$details .= "$name is public\n";
}
if ( $method->isProtected() ) {
$details .= "$name is protected\n";
}
if ( $method->isPrivate() ) {
$details .= "$name is private\n";
}
return $details;
}
?>

</source>

==Class method info: is static, is final, is constructor, return references==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$prod_class = new ReflectionClass( "Person" );
$methods = $prod_class->getMethods();
foreach ( $methods as $method ) {
print methodData( $method );
print "\n----\n";
}
function methodData( ReflectionMethod $method ) {
$details = "";
$name = $method->getName();
if ( $method->isStatic() ) {
$details .= "$name is static\n";
}
if ( $method->isFinal() ) {
$details .= "$name is final\n";
}
if ( $method->isConstructor() ) {
$details .= "$name is the constructor\n";
}
if ( $method->returnsReference() ) {
$details .= "$name returns a reference (as opposed to a value)\n";
}
return $details;
}
?>

</source>

==Class method info: is User Defined, is Internal, is Abstract==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$prod_class = new ReflectionClass( "Person" );
$methods = $prod_class->getMethods();
foreach ( $methods as $method ) {
print methodData( $method );
print "\n----\n";
}
function methodData( ReflectionMethod $method ) {
$details = "";
$name = $method->getName();
if ( $method->isUserDefined() ) {
$details .= "$name is user defined\n";
}
if ( $method->isInternal() ) {
$details .= "$name is built-in\n";
}
if ( $method->isAbstract() ) {
$details .= "$name is abstract\n";
}
return $details;
}
?>

</source>

==Get Class method: file name, start line and end line==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}

class ReflectionUtil {
static function getMethodSource( ReflectionMethod $method ) {
$path = $method->getFileName();
$lines = @file( $path );
$from = $method->getStartLine();
$to = $method->getEndLine();
$len = $to-$from+1;
return implode( array_slice( $lines, $from-1, $len ));
}
}
$class = new ReflectionClass( "Person" );
$method = $class->getMethod( "getId" );
print ReflectionUtil::getMethodSource( $method );
?>

</source>

==get_class_methods==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function __clone() {
$this->id = 0;
}
}
print_r( get_class_methods( "Person" ) );

?>

</source>

==in_array==



<source lang="html4strict">

<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$p = new Person("A",10);
$method = "getId"; // define a method name
if ( in_array( $method, get_class_methods( $p ) ) ) {
print $p->$method(); // invoke the method
}
?>

</source>

==is_callable: is method callable==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$p = new Person("A",10);
$method = "getId"; // define a method name
if ( is_callable( array( get_class($p), $method) ) ) {
print $p->$method(); // invoke the method
}
?>

</source>

==method_exists==



<source lang="html4strict">
<?php
class Person {
private $name;
private $age;
private $id;
function __construct( $name, $age ) {
$this->name = $name;
$this->age = $age;
}
function setId( $id ) {
$this->id = $id;
}

function getId(){
echo "get id method";
}

function __clone() {
$this->id = 0;
}
}
$p = new Person("A",10);

$method = "getId"; // define a method name

if ( method_exists( $p, $method ) ) {
print $p->$method(); // invoke the method
}
?>

</source>

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PHP/Class/Reflection Class Methods - История изменений

в 10:37, 26 мая 2010

Admin: 1 версия