PHP Trojan-free function collection (character processing function, encryption and decryption algorithm)

PHP Trojan-free function collection (character processing function, encryption and decryption algorithm)

AddSlashes: adds a slash to the string.
Bin2hex: Binary to hexadecimal.
Chop: removes consecutive gaps.
Chr: returns the character of the ordinal value.
Chunk_split: Splits a string into segments.
Convert_cyr_string: Convert the ancient Slavic string to another string.
Crypt: encrypt the string with DES encoding.
Echo: Output string.
Explode: Cut string.
Flush: clears the output buffer.
Get_meta_tags: extracts all metadata marked by meta from the file.
Htmlspecialchars: convert special characters into HTML format.
Htmlentities: converts all characters into HTML strings.
Implode: converts an array into a string.
Join: converts an array into a string.
Ltrim: removes consecutive white spaces.
Md5: Calculate the MD5 of the string.
Nl2br: converts a line break to <br>.
Ord: returns the ordinal value of a character.
Parse_str: parses the query string into a variable.
Print: Output string.
Printf: output the formatted string.
Quoted_printable_decode: convert an qp encoded string to an 8-Bit String.
QuoteMeta: Add a reference symbol.
Rawurldecode: Restores a string from a URL-specific format to a normal string.
Rawurlencode: encode a string into a URL-specific format.
Setlocale: configure the region information.
Similar_text: String similarity calculation.
Soundex: calculates the pronunciation of a string.
Sprintf: format the string.
Strchr: Find the first occurrence character.
Strcmp: String comparison.
Strcspns: the length of different strings.
Strip_tags: removes HTML and PHP tags.
StripSlashes: removes the backslash.
Strlen: gets the string length.
Strrpos: Find the last occurrence of a character in the string.
Strpos: searches for the first occurrence of a character in a string.
Strrchr: gets the string starting from the last occurrence of a character.
Strrev: reverse string.
Strspns: identifies the number of masks that a string falls into another string.
Strstr: returns the string from the beginning to the end of a string.
Strtok: Cut string.
Strtolower: converts all strings to lowercase letters.
Strtoupper: converts all strings to uppercase.
Str_replace: String replacement.
Strtr: converts certain characters.
Substr: obtains some strings.
Trim: removes spaces at the beginning and end of a string.
Ucfirst: uppercase for the first character of the string.
Ucwords: change the first letter of each character in the string to uppercase. QQ: 814360954 if you have any questions, feel free to leave a message.