String functions
- strcmp
- strcasecmp
- explode
- implode
- nl2br
- file_get_contents
- str_replace
- iconv
- urlencode
There are lots of string functions in PHP. Here are a few examples:
- strcmp - compare two string returns, -1, 0 +1 based on order according to ASCII table
- strcasecmp
- explode - split string to elements and return an array
- implode - join array to make a string
- nl2br - new line to html-break
- file_get_contents - read in a whole file without explicitely opening (slurp)
- str_replace - replace characters in a string
- iconv - convert between character encodings: iconv('ISO-8859-8', 'UTF-8', $str)
- urlencode - when we are generating URLs some characters (e.g. space) need to be encoded