Array Functions
- print_r ( )
- in_array ( )
- array_search ( )
- array_key_exists ( )
- array_push ( )
- array_unshift ( )
- array_pop ( )
- array_shift ( )
- sort ( )
- rsort ( )
- asort ( )
- arsort ( )
- ksort ( )
- krsort ( )
- array_reverse ( )
- shuffle ( )
- array_fill ( )
- array_sum ( )
- array_rand ( )
- array_unique ( )
- count ( )
- explode ( )
- implode ( )
String Functions
- str_split ( )
- chunk_split ( )
- str_replace ( )
- str_repeat ( )
- str_shuffle ( )
- strlen ( )
- addslashes ( )
- stripslashes ( )
- strip_tags ( )
- strtolower ( )
- strtoupper ( )
- lcfirst ( )
- ucfirst ( )
- ucwords ( )
- trim ( )
- ltrim ( )
- rtrim ( )
- str_word_count ( )
- parse_str ( )
- nl2br ( )
- strpos ( )
- stripos ( )
- strrpos ( )
- strripos ( )
- strstr ( )
- stristr ( )
- strchr ( )
- strcmp ( )
- strncmp ( )
- strrev ( )
- substr ( )
- substr_count ( )