The built-in PHP string functions allows you to access and manipulate strings.
Installation
List of String Functions
| Sr.No | Function & Description | PHP |
|---|---|---|
| 1 | addcslashes It returns the string with blackslashes | 4 |
| 2 | addslashes It returns the string with blackslashes in front of predefined characters | 4 |
| 3 | bin2hex It is used to Convert primary data to hexadecimal representation | 4 |
| 4 | chop It is used to removes whitespace | 4 |
| 5 | chr It returns the specific characters | 4 |
| 6 | chunk split It is used to split a string into chunks. | 5 |
| 7 | convert cyr string It is used to convert from one Cyrillic character set to another | 4 |
| 8 | convert uudecode It is used to decode a encoded string | 5 |
| 9 | count chars It is used to returns the information about character used in a string | 4 |
| 10 | Crc32 It is used to calculates 32-bit CRC | 4 |
| 11 | crypt It is used to hashing the string | 4 |
| 12 | Echo It is give the output as one or more string | 4 |
| 13 | explode It is used to split a string by string | 4 |
| 14 | fprintf It is used to write a formatted string to a stream | 5 |
| 15 | get html translation table It returns the translation table used by htmlspecialchars() and htmlentities() | 4 |
| 16 | hebrev It is used to convert logical Hebrew text to visual text | 4 |
| 17 | Hebrevc It is used to convert logical Hebrew text to visual text with newline conversion | 4 |
| 18 | hex2bin It is used to convert a string of hexadecimal to ASCII character | 4 |
| 19 | html entity decode It is used to convert HTML entities to their application characters | 4 |
| 20 | htmlentities It is used to convert all applicable characters to Html entities | 5.4 |
| 21 | html special chars decode It is used to convert convert special HTML entities back to characters. | 5.1.0 |
| 22 | htmlspecialchars It is used to convert special characters to HTML entities | 4 |
| 23 | implode It is used to Join array elements with a string. | 5 |
| 24 | join It is alias of implode(), it returns string from the elements of an array | 4 |
| 25 | lcfirst It is used to make a string's first character should be lowercase. | 5.3.0 |
| 26 | levenshtein It is used calculate Levenshtein distance between two strings | 4.0.1 |
| 27 | localeconv It is used to get numeric formatting information | 4 |
| 28 | ltrim It used to strip whitespace or other characters from the beginning of a string | 4 |
| 29 | md5_file It is used to calculates the md5 hash of a given file | 4 |
| 30 | md5 It is used to calculates the md5 hash of a string | 4 |
| 31 | metaphone It is used to calculates the metaphone key of a string | 4 |
| 32 | money format It is used to formats a number as a currency string | 4.3.0 |
| 33 | nl langinfo It has contained information about language and locale | 4.3.0 |
| 34 | nl2br It Inserts HTML line breaks before all newlines in a string | 4 |
| 35 | number format It is used to formats a number with grouped thousands | 4 |
| 36 | ord It returns ASCII Value of character | 4 |
| 37 | parse str It is used to parses the string into variables | 4 |
| 38 | print It returns output a string | 4 |
| 39 | printf It returns output a formatted string | 4 |
| 40 | quoted printable decode It is used to convert the quoted printable string to 8 bit string | 4 |
| 41 | quoted printable decode It is used to convert the quoted printable string to 8 bit string | 4 |
| 42 | quoted printable encode It is used to convert 8 bit string to the quoted printable string | 4 |
| 43 | quotemeta It is used to quote meta characters | 4 |
| 44 | rtrim It is used to remove the white spaces from end of the string | 4 |
| 45 | setlocale It is used to set locale information | 4 |
| 46 | sha1 file It is used to calculate the sha1 hash of a file | 4 |
| 47 | sha1 It is used to calculate the sha1 hash of a string | 4 |
| 48 | similar text It is used to calculate the similarity between two strings | 4 |
| 49 | soundex It is used to calculate the soundex key of string | 4 |
| 50 | sprintf It is used to a formatted string | 4 |
| 51 | str getcsv It is used to parse parse a CSV string into array | 4 |
| 52 | str ireplace It is used to replace the characters with some other characters | 5 |
| 53 | str pad It is used to pads a string to a new length. | 4.0.1 |
| 54 | str repeat It is used to repeat a string | 4 |
| 55 | str replace It is used to replace the string with another string | 4 |
| 56 | str rot13 It is used to perform the rot13 transform on a string | 4 |
| 57 | str shuffle It is used to randomly shuffles a string | 4.3.0 |
| 58 | str split It is used to convert a string to an array | 5 |
| 59 | str word count It returns information about words used in a string | 5 |
| 60 | strcasecmp It is used to compare two strings | 4 |
| 61 | strchr It is used to searches for the first occurrence of a string inside another | 4 |
| 62 | strcmp It is used to compare two strings | 4 |
| 63 | strcoll It is used to compare two strings based on locale | 4.0.5 |
| 64 | strcspn It returns number of characters find in a string before any part of the specified characters are found. | 4 |
| 65 | strip tags It is used to string HTML and PHP tags from a string. | 4 |
| 66 | stripcslashes It is used to removes backslashes | 4 |
| 67 | stripos It is used to find the position of first occurrence of a string inside the another string | 4 |
| 68 | stripslashes It is used to un-quoted a quoted string | 4 |
| 69 | stristr It is used searches for the first occurrence of a string inside another string. | 4 |
| 70 | strlen It is used get string length. | 4 |
| 71 | strnatcasecmp It is used compare two strings with a natural algorithm. | 4 |
| 72 | strnatcmp It is used compare two strings with a natural order algorithm. | 4 |
| 73 | strncasecmp It is used compare two strings. | 4 |
| 74 | strncmp It is used compare first n character. | 4 |
| 75 | strpbrk It is used search's a string for a specific character. | 5 |
| 76 | strpos It is used to find the position of first occurrence of a string inside another string. | 4 |
| 77 | strrchr It is used to find the last occurrence of a character in a string. | 4 |
| 78 | strrev It is used to reverse a string. | 4 |
| 79 | strripos It is used find the position of the last occurrence of a string inside the another string | 5 |
| 80 | strspn It returns number of characters found in the string from the charlist parameter. | 4 |
| 81 | strstr It is used to find the first occurrence of a string | 4 |
| 82 | strtok It is a tokenize string | 4 |
| 83 | strtolower It used to make a string lower case | 4 |
| 84 | strtoupper It used to make a string upper case | 4 |
| 85 | strtr It used to translates character or replace substring | 4 |
| 86 | substr_compare It used to compare two string format with a specific start position | 4 |
| 87 | substr_count It used to count the number of sub strings | 4 |
| 88 | substr_replace It used to replace the part of string with another string | 4 |
| 89 | substr It used to return a part of a string | 4 |
| 90 | trim It used to remove the whitespaces and other characters | 4 |
| 91 | ucfirst It used to convert the first character of a string to upper case | 4 |
| 92 | ucwords It used to convert the first character of a string to upper case in each string | 4 |
| 93 | vfprintf It used to convert formatted string to specific output | 5 |
| 94 | vprintf It used to convert string to formatted string | 4.1 |
| 95 | vsprintf It returns the formatted string | 4.1 |
| 96 | wordwrap It used to convert the long words to be broken and its arrange to the next line | 4.0.2 |
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