3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); function setDefault(&$variable, $default) { if (!isset($variable)) { $variable = $default; } } $foo = array( 'foo' => 'oof' ); //setDefault($foo['sub']['arrays']['are']['pretty']['cool'], 0); $foo['sub']['arrays']['are']['pretty']['cool'] = 1; print_r($foo); ?>

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