LII. 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
AddCSlashes — Quote string with slashes in a C style
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_html_translation_table — Returns the translation table used by htmlspecialchars() and htmlentities()
get_meta_tags — Extracts all meta tag content attributes from a file and returns an array
htmlentities — Convert all applicable characters to HTML entities
htmlspecialchars — Convert special 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
Metaphone — Calculate the metaphone key 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
strcasecmp — Binary safe case-insensitive string comparison
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
StripCSlashes — un-quote string quoted with addcslashes
StripSlashes — Un-quote string quoted with addslashes
stristr — Case-insensitive strstr()
strlen — Get string length
strpos — Find position of first occurrence of a string
strrchr — Find the last occurrence of a character in a string
str_repeat — Repeat a string
strrev — Reverse a string
strrpos — Find position of last occurrence of a char in 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
substr_replace — Replace text within a portion 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