3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "0123456789a123456789b123456789c"; //var_dump(strrpos($foo, '7', -5)); // Starts looking backwards five positions // from the end. Result: int(17) var_dump(strrpos($foo, '7', 20)); // Starts searching 20 positions into the // string. Result: int(27) //var_dump(strrpos($foo, '7', 1)); // Result: bool(false) ?>

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