PHP string processing functions

PHP string processing functions

Addcslashes-escape characters in strings using backslash in the C-language style Addslashes-use a backslash to reference a string Bin2hex-Convert binary data to hexadecimal representation Alias of chop-rtrim Chr-return the specified character Chunk_split-splits a string into small parts Convert_cyr_string-converts a character from one Cyrillic to another. Convert_uudecode-decodes a uencode string Convert_uuencode-encode a string using uuencode Count_chars-returns the characters used by the string. Crc32-calculate the crc32 polynomial of a string Crypt-unidirectional String hash Echo-output one or more strings Explode-use one string to separate another string Fprintf-Write formatted strings to the stream Get_html_translation_table-return the conversion table after using htmlspecialchars and htmlentities Hebrev-convert the logical sequence Hebrew (logical-Hebrew) to the visual sequence Hebrew (visual-Hebrew) Hebrevc-converts the logical sequence Hebrew (logical-Hebrew) to the visual sequence Hebrew (visual-Hebrew), and converts the line break Hex2bin-convert a hexadecimal string to a binary string Html_entity_decode-Convert all HTML entities to their applicable characters Htmlentities-Convert all applicable characters to HTML entities Htmlspecialchars_decode-converts special HTML objects back to common characters Htmlspecialchars-Convert special characters to HTML entities Implode-convert the value of a one-dimensional array to a string Join-alias implode Lcfirst-lowercase for the first character of a string Levenshtein-calculates the editing distance between two strings Localeconv-Get numeric formatting information Ltrim-removes spaces (or other characters) starting with a string) Md5_file-calculate the MD5 hash value of the specified file Md5-calculate the MD5 hash value 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-insert the HTML line feed mark before all new lines of the string Number_format-format a number using a thousands separator Ord-returns the ASCII value of a character. Parse_str-parses a string into multiple variables. Print-output string Printf-output 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-removes white spaces (or other characters) at the end of a string) Setlocale-Set locale information Sha1_file-calculate the sha1 hash value of the file Sha1-calculate the sha1 hash value of the string Similar_text-calculate the similarity between two strings Soundex-Calculate the soundex key of a string Sprintf-Return a formatted string Sscanf-parses input characters according to the specified format Str_getcsv-parses a CSV string as an array Case-insensitive version of str_ireplace-str_replace Str_pad-use another string to fill the string with the specified length Str_repeat-repeat a string Str_replace-substring replacement Str_rot13-execute the ROT13 conversion on the string Str_shuffle-randomly disconnects a string Str_split-convert string to array Str_word_count-returns the usage of words in the string Strcasecmp-binary security comparison string (case insensitive) Strchr-alias strstr Strcmp-binary security string comparison Strcoll-string comparison based on region settings Strcspn-get the length of the starting substring of the unmatched mask Strip_tags-remove HTML and PHP tags from strings Stripcslashes-references a string escaped using addcslashes Stripos-locate the first occurrence of a string (case insensitive) Stripslashes-references a reference string The stristr-strstr function is case-insensitive. Strlen-get the string length Strnatcasecmp-use the natural order algorithm to compare strings (case insensitive) Strnatcmp-use a natural sorting algorithm to compare strings Strncasecmp-several characters starting with a binary security comparison string (case insensitive) Strncmp-several characters starting with a binary security comparison string Strpbrk-find any character of a group of characters in a string Strpos-locate the first occurrence of a string Strrchr-find the last occurrence of a specified character in the string Strrev-reverse string Strripos-calculate the position of the last occurrence of the specified string in the target string (case insensitive) Strrpos-calculate the position of the last occurrence of the specified string in the target string Strsps-calculate the length of the first substring in a string that contains all characters in the specified character set. Strstr-first appearance of the search string Strtok-mark the delimiter Strtolower-converts a string to lowercase Strtoupper-converts a string to uppercase Strtr-conversion of specified characters Substr_compare-binary secure comparison string (compare the specified length from the offset position) Substr_count-calculates the number of times a string appears. Substr_replace-replace the substring of a string Substr-returns the substring of the string. Trim-removes spaces (or other characters) at the beginning and end of the string) Ucfirst-converts the first letter of a string to uppercase Ucwords-converts the first letter of each word in a string to uppercase Vfprintf-Write formatted strings to the stream Vprintf-output formatted string Vsprintf-returns the formatted string Wordwrap-the interrupt string is a specified number of strings.