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PHP: Case-insensitive in_array()
<?php
/**
* Case-insensitive in_array() wrapper.
*
* @param mixed $needle Value to seek.
* @param array $haystack Array to seek in.
*
* @return bool
*/
function in_arrayi($needle, $haystack)
{
return in_array(strtolower($needle), array_map('strtolower', $haystack));
}
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