XLVII. String functions
These functions all manipulate strings in various ways. Some more
specialized sections can be found in the regular expression and URL
handling sections.
- Table of Contents
- AddSlashes quote string with slashes
- bin2hex convert binary data into hexadecimal representation
- Chop remove trailing whitespace
- Chr return a specific character
- chunk_split Split a string into smaller chunks
- convert_cyr_string Convert from one Cyrillic character set to another
- crypt DES-encrypt a string
- echo output one or more strings
- explode split a string by string
- flush flush the output buffer
- get_meta_tags Extracts all meta tag content attributes from a file
and returns an array
- htmlspecialchars Convert special characters to HTML entities.
- htmlentities Convert all applicable characters to HTML entities.
- implode join array elements with a string
- join join array elements with a string
- ltrim Strip whitespace from the beginning of a string.
- md5 calculate the md5 hash of a string
- nl2br Converts newlines to HTML line breaks.
- Ord return ASCII value of character
- parse_str parses the string into variables
- print output a string
- printf output a formatted string
- quoted_printable_decode Convert a quoted-printable string to an 8 bit string
- QuoteMeta quote meta characters
- rawurldecode decode URL-encoded strings
- rawurlencode URL-encode according to RFC1738
- setlocale set locale information
- similar_text calculate the similarity between two strings
- soundex calculate the soundex key of a string
- sprintf return a formatted string
- strchr Find the first occurrence of a character.
- strcmp binary safe string comparison
- strcspn find length of initial segment not matching mask
- strip_tags Strip HTML and PHP tags from a string
- StripSlashes un-quote string quoted with addslashes
- strlen get string length
- strrpos Find position of last occurrence of a char in a string.
- strpos Find position of first occurrence of a string.
- strrchr Find the last occurrence of a character in a string.
- strrev Reverse a string.
- strspn find length of initial segment matching mask
- strstr Find first occurrence of a string.
- strtok tokenize string
- strtolower Make a string lowercase.
- strtoupper Make a string uppercase.
- str_replace Replace all occurrences of needle in haystack with str
- strtr Translate certain characters.
- substr Return part of a string.
- trim Strip whitespace from the beginning and end of a string.
- ucfirst Make a string's first character uppercase
- ucwords Uppercase the first character of each word in a string