Online PHP editor | output for 7fVc4

@ 2017-09-21T21:05:34Z

<?php

class Foo extends \ArrayIterator
{
    
}

$fooReflection = new \ReflectionClass(\Foo::class);
$recursiveArrayIteratorReflection = new \ReflectionClass(\RecursiveArrayIterator::class);

printf("%d constants in %s, ", count($fooReflection->getConstants()), \Foo::class);
if ($fooReflection->getParentClass()) {
    printf("%s extends %s\n", Foo::class, $fooReflection->getParentClass()->getName());
}
printf("%d constants in %s, ", count($recursiveArrayIteratorReflection->getConstants()), \RecursiveArrayIterator::class);
if ($recursiveArrayIteratorReflection->getParentClass()) {
    printf("%s extends %s\n", \RecursiveArrayIterator::class, $recursiveArrayIteratorReflection->getParentClass()->getName());
}
printf("%d constants in %s\n", count((new \ReflectionClass(\ArrayIterator::class))->getConstants()), \ArrayIterator::class);

Output for 7.1.20 - 7.1.25, 7.2.2 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 2 constants in Foo, Foo extends ArrayIterator 3 constants in RecursiveArrayIterator, RecursiveArrayIterator extends ArrayIterator 2 constants in ArrayIterator
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 2 constants in Foo, Foo extends ArrayIterator 3 constants in RecursiveArrayIterator, RecursiveArrayIterator extends ArrayIterator 2 constants in ArrayIterator
Output for 7.0.0 - 7.0.26, 7.1.0 - 7.1.12, 7.2.0 - 7.2.1: 2 constants in Foo, Foo extends ArrayIterator 1 constants in RecursiveArrayIterator, RecursiveArrayIterator extends ArrayIterator 2 constants in ArrayIterator

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