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--TEST--
Closure 008: Use in preg_replace_callback()
--FILE--
<?php
function replace_spaces($text) {
$lambda = function ($matches) {
return str_replace(' ', ' ', $matches[1]).' ';
};
return preg_replace_callback('/( +) /', $lambda, $text);
}
echo replace_spaces("1 2 3\n");
echo replace_spaces("1 2 3\n");
echo replace_spaces("1 2 3\n");
echo "Done\n";
?>
--EXPECT--
1 2 3
1 2 3
1 2 3
Done
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