- array_map: documentation ( source)
- strpos: documentation ( source)
- end: documentation ( source)
- array_merge: documentation ( source)
- array_pad: documentation ( source)
- explode: documentation ( source)
- ceil: documentation ( source)
- date: documentation ( source)
- strtotime: documentation ( source)
- key: documentation ( source)
- strtolower: documentation ( source)