Online PHP editor | output for Sn1M6

@ 2023-03-24T08:54:58Z

<?php

class SomeHelperClass {
    public $_arr = [];

    public function addValue($value, $key = null): void
    {
        $this->_arr[$key ?? ((array_key_last($this->_arr) ?? -1) + 1)] = $value;
    }
}

$test = new SomeHelperClass;
var_export($test->_arr);
echo "\n";

$test->addValue(1);
var_export($test->_arr);
echo "\n";

$test->addValue(2);
var_export($test->_arr);
echo "\n";

$test->addValue(3, 4);
var_export($test->_arr);
echo "\n";

$test->addValue(4, 3);
var_export($test->_arr);

echo "\n";

$test->addValue(5);
var_export($test->_arr);

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: array ( ) array ( 0 => 1, ) array ( 0 => 1, 1 => 2, ) array ( 0 => 1, 1 => 2, 4 => 3, ) array ( 0 => 1, 1 => 2, 4 => 3, 3 => 4, ) array ( 0 => 1, 1 => 2, 4 => 5, 3 => 4, )
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

preferences:dark modelive previewkey bindings