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<?php |
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|
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/** |
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* Polyfill for array_key_last(), used in class-cas.php. Not available in PHP |
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* versions below 7.3. |
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* |
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* Get the last key of the given array without affecting the internal array |
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* pointer. |
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* |
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* @param array $array An array. |
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* |
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* @return mixed The last key of array if the array is not empty; NULL otherwise. |
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*/ |
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if ( ! function_exists( 'array_key_last' ) ) { |
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function array_key_last( $array ) { |
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$key = null; |
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if ( is_array( $array ) ) { |
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end( $array ); |
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$key = key( $array ); |
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} |
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|
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return $key; |
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} |
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} |
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