String Functions

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 ⬠Alias of rtrim
• chr ⬠Return a specific character
• 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 encryption (hashing)
• echo ⬠Output one or more strings
• explode ⬠Split a string by 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
• html_entity_decode ⬠Convert all HTML entities to their applicable characters
• htmlentities ⬠Convert all applicable characters to HTML entities
• htmlspecialchars_decode ⬠Convert special HTML entities back to characters
• htmlspecialchars ⬠Convert special characters to HTML entities
• 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_file ⬠Calculates the md5 hash of a given file
• md5 ⬠Calculate the md5 hash of a string
• 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 ⬠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 href="function.str-ireplace.html">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_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 position of first occurrence of a case-insensitive 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 position of first occurrence of a string
• strrchr ⬠Find the last occurrence of a character in a string
• strrev ⬠Reverse a string
• strripos ⬠Find position of last occurrence of a case-insensitive string in 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
• strtr ⬠Translate certain characters
• substr_compare ⬠Binary safe comparison of 2 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
• substr ⬠Return part of a string
• trim ⬠Strip whitespace (or other characters) from the beginning and end of a string
• ucfir