get_debug_type

get_debug_type

Gets the type name of a variable in a way that is suitable for debugging

string **get_debug_type** mixed $value

Returns the resolved name of the PHP variable . This function will resolve objects to their class name, resources to their resource type name, and scalar values to their common name as would be used in type declarations. value

This function differs from in that it returns type names that are more consistent with actual usage, rather than those present for historical reasons. gettype

valueThe variable being type checked.

Possible values for the returned string are:

Voorbeeld: example

<?php

namespace Foo;

echo get_debug_type(null), PHP_EOL;
echo get_debug_type(true), PHP_EOL;
echo get_debug_type(1), PHP_EOL;
echo get_debug_type(0.1), PHP_EOL;
echo get_debug_type("foo"), PHP_EOL;
echo get_debug_type([]), PHP_EOL;

$fp = fopen('/examples/book.xml', 'rb');
echo get_debug_type($fp), PHP_EOL;

fclose($fp);
echo get_debug_type($fp), PHP_EOL;

echo get_debug_type(new \stdClass), PHP_EOL;
echo get_debug_type(new class {}), PHP_EOL;

interface A {}
interface B {}
class C {}

echo get_debug_type(new class implements A {}), PHP_EOL;
echo get_debug_type(new class implements A,B {}), PHP_EOL;
echo get_debug_type(new class extends C {}), PHP_EOL;
echo get_debug_type(new class extends C implements A {}), PHP_EOL;

?>

null
bool
int
float
string
array
resource (stream)
resource (closed)
stdClass
class@anonymous
Foo\A@anonymous
Foo\A@anonymous
Foo\C@anonymous
Foo\C@anonymous

gettype``get_class