Strings

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- Introduction »

- PHP Manual
- Text Processing
- Strings

# Strings

- Introduction
- Installing/Configuring
  - Installation
- Predefined Constants
- String Functions
  - addcslashes — Quote string with slashes in a C style
  - addslashes — Quote string with slashes
  - bin2hex — Convert binary data into hexadecimal representation
  - chop — Alias of rtrim
  - chr — Generate a single-byte string from a number
  - chunk_split — Split a string into smaller chunks
  - convert_cyr_string — Convert from one Cyrillic character set to another
  - convert_uudecode — Decode a uuencoded string
  - convert_uuencode — Uuencode a string
  - count_chars — Return information about characters used in a string
  - crc32 — Calculates the crc32 polynomial of a string
  - crypt — One-way string hashing
  - echo — Output one or more strings
  - explode — Split a string by a string
  - fprintf — Write a formatted string to a stream
  - get_html_translation_table — Returns the translation table used by htmlspecialchars and htmlentities
  - hebrev — Convert logical Hebrew text to visual text
  - hebrevc — Convert logical Hebrew text to visual text with newline conversion
  - hex2bin — Decodes a hexadecimally encoded binary string
  - html_entity_decode — Convert HTML entities to their corresponding characters
  - htmlentities — Convert all applicable characters to HTML entities
  - htmlspecialchars — Convert special characters to HTML entities
  - htmlspecialchars_decode — Convert special HTML entities back to characters
  - implode — Join array elements with a string
  - join — Alias of implode
  - lcfirst — Make a string's first character lowercase
  - levenshtein — Calculate Levenshtein distance between two strings
  - localeconv — Get numeric formatting information
  - ltrim — Strip whitespace (or other characters) from the beginning of a string
  - md5 — Calculate the md5 hash of a string
  - md5_file — Calculates the md5 hash of a given file
  - metaphone — Calculate the metaphone key of a string
  - money_format — Formats a number as a currency string
  - nl_langinfo — Query language and locale information
  - nl2br — Inserts HTML line breaks before all newlines in a string
  - number_format — Format a number with grouped thousands
  - ord — Convert the first byte of a string to a value between 0 and 255
  - 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
  - quoted_printable_encode — Convert a 8 bit string to a quoted-printable string
  - quotemeta — Quote meta characters
  - rtrim — Strip whitespace (or other characters) from the end of a string
  - setlocale — Set locale information
  - sha1 — Calculate the sha1 hash of a string
  - sha1_file — Calculate the sha1 hash of a file
  - similar_text — Calculate the similarity between two strings
  - soundex — Calculate the soundex key of a string
  - sprintf — Return a formatted string
  - sscanf — Parses input from a string according to a format
  - str_contains — Determine if a string contains a given substring
  - str_decrement — Decrement an alphanumeric string
  - str_ends_with — Checks if a string ends with a given substring
  - str_getcsv — Parse a CSV string into an array
  - str_increment — Increment an alphanumeric string
  - str_ireplace — Case-insensitive version of str_replace
  - str_pad — Pad a string to a certain length with another string
  - str_repeat — Repeat a string
  - str_replace — Replace all occurrences of the search string with the replacement string
  - str_rot13 — Perform the rot13 transform on a string
  - str_shuffle — Randomly shuffles a string
  - str_split — Convert a string to an array
  - str_starts_with — Checks if a string starts with a given substring
  - str_word_count — Return information about words used in a string
  - strcasecmp — Binary safe case-insensitive string comparison
  - strchr — Alias of strstr
  - strcmp — Binary safe string comparison
  - strcoll — Locale based 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
  - stripos — Find the position of the first occurrence of a case-insensitive substring in a string
  - stripslashes — Un-quotes a quoted string
  - stristr — Case-insensitive strstr
  - strlen — Get string length
  - strnatcasecmp — Case insensitive string comparisons using a "natural order" algorithm
  - strnatcmp — String comparisons using a "natural order" algorithm
  - strncasecmp — Binary safe case-insensitive string comparison of the first n characters
  - strncmp — Binary safe string comparison of the first n characters
  - strpbrk — Search a string for any of a set of characters
  - strpos — Find the position of the first occurrence of a substring in a string
  - strrchr — Find the last occurrence of a character in a string
  - strrev — Reverse a string
  - strripos — Find the position of the last occurrence of a case-insensitive substring in a string
  - strrpos — Find the position of the last occurrence of a substring in a string
  - strspn — Finds the length of the initial segment of a string consisting entirely of characters contained within a given mask
  - strstr — Find the first occurrence of a string
  - strtok — Tokenize string
  - strtolower — Make a string lowercase
  - strtoupper — Make a string uppercase
  - strtr — Translate characters or replace substrings
  - substr — Return part of a string
  - substr_compare — Binary safe comparison of two strings from an offset, up to length characters
  - substr_count — Count the number of substring occurrences
  - substr_replace — Replace text within a portion of a string
  - trim — Strip whitespace (or other characters) 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
  - utf8_decode — Converts a string from UTF-8 to ISO-8859-1, replacing invalid or unrepresentable characters
  - utf8_encode — Converts a string from ISO-8859-1 to UTF-8
  - vfprintf — Write a formatted string to a stream
  - vprintf — Output a formatted string
  - vsprintf — Return a formatted string
  - wordwrap — Wraps a string to a given number of characters
- Changelog