- strtr: documentation ( source)
<?php
$tests = array(
'bar' => '',
'foo' => 'o',
'foobar' => '',
'hello' => 'hello'
);
foreach ($tests as $input => $expected) {
if ($expected !== ($actual = strtr($input, array("fo" => "", "foobar" => "", "bar" => "")))) {
echo "KO `$input` became `$actual` instead of `$expected`\n";
} else {
echo "OK `$input` became `$expected`\n";
}
}