public function testStringEndsWith()
{
$this->assertFalse(StringUtils::stringEndsWith("abcdef", "ab"));
$this->assertFalse(StringUtils::stringEndsWith("abcdef", "cd"));
$this->assertTrue(StringUtils::stringEndsWith("abcdef", "ef"));
$this->assertTrue(StringUtils::stringEndsWith("abcdef", ""));
$this->assertFalse(StringUtils::stringEndsWith("", "abcdef"));
}
/**
* Normalize columns into comma delitited list
*
* @param string|array $columns
*
* @return string
*/
public function normalizeColumns($columns)
{
if (is_string($columns)) {
$columns = explode(",", $columns);
} elseif (!is_array($columns)) {
throw new \InvalidArgumentException("Columns should be either an array, or a comma delimited string");
}
$clist = '';
foreach ($columns as $c) {
$c = trim($c);
if (!$c) {
continue;
}
if (!(StringUtils::stringStartsWith($c, "\"") && StringUtils::stringEndsWith($c, "\""))) {
$c = "\"{$c}\"";
}
$clist .= ", {$c}";
}
$clist = trim($clist, ",");
return $clist;
}
