PHP/Class/Reflection Class Definition
Содержание
- 1 Class information: is Abstract, is Final and is Instantiable
- 2 Class information: is User Defined, is Internal and is Interface
- 3 Get class information: file name, start line and end line
- 4 Get class name
- 5 get_class_vars: get class variables
- 6 get_declared_classes: get all defined class
- 7 Use Reflection class to export class
- 8 var_dump a class
Class information: is Abstract, is Final and is Instantiable
<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 ReflectionClass( "Person" ); print classData( $p ); function classData( ReflectionClass $class ) {
$details = "";
$name = $class->getName();
if ( $class->isAbstract() ) {
$details .= "$name is an abstract class\n";
}
if ( $class->isFinal() ) {
$details .= "$name is a final class\n";
}
if ( $class->isInstantiable() ) {
$details .= "$name can be instantiated\n";
} else {
$details .= "$name can not be instantiated\n";
}
return $details;
} ?>
</source>
Class information: is User Defined, is Internal and is Interface
<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 ReflectionClass( "Person" ); print classData( $p ); function classData( ReflectionClass $class ) {
$details = "";
$name = $class->getName();
if ( $class->isUserDefined() ) {
$details .= "$name is user defined\n";
}
if ( $class->isInternal() ) {
$details .= "$name is built-in\n";
}
if ( $class->isInterface() ) {
$details .= "$name is interface\n";
}
return $details;
} ?>
</source>
Get class information: 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 getClassSource( ReflectionClass $class ) {
$path = $class->getFileName();
$lines = @file( $path );
$from = $class->getStartLine();
$to = $class->getEndLine();
$len = $to-$from+1;
return implode( array_slice( $lines, $from-1, $len ));
}
} print ReflectionUtil::getClassSource(
new ReflectionClass( "Person" ) );
?>
</source>
Get class name
<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;
}
} $p = new Person("A",10); print get_class( $p ); if ( get_class( $p ) == "Person" ) {
print "\$p is a Person object\n";
} ?>
</source>
get_class_vars: get class variables
<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;
}
} print_r( get_class_vars( "Person" ) ); ?>
</source>
get_declared_classes: get all defined class
<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_declared_classes() ); ?>
</source>
Use Reflection class to export class
<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 ReflectionClass( "Person" ); Reflection::export( $p );
?>
</source>
var_dump a class
<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;
}
} var_dump( new Person("A",10) ); ?>
</source>
