A large collection of commonly used strings in PHP

A large collection of commonly used strings in PHP_PHP Tutorial

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Release： 2016-07-15 13:29:15

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What we introduce to you today is String conversion functions for commonly used strings in PHP

addcslashes function: use backslashes to escape characters in strings in C language style

addslashes function: use backslashes Quote string

chop function: clear consecutive spaces in the string

get_html_translation_table function: return the conversion table of htmlspecialchars() function and htmlentities() function

chunk_split function: split the string into small pieces

hebrev function: Convert Hebrew logical characters to visible characters

hebrevc function: Convert Hebrew text to visible text, including line breaks

html_entity_decode function: Convert HTML character encoding to characters

htmlentities function: Convert characters to HTML character encoding

htmlspecialchars_decode function: Convert special HTML character encoding to characters

htmlspecialchars function: Convert special characters to HTML character encoding

nl2br function: Convert newline characters to "
"

quotemeta function: add quotation characters

rtrim function: clear the blank (or other characters) at the end of the string

strip_tags function: clear HTML and PHP tags

stripcslashes function: will be processed with addslashes() function The resulting string is returned as is

stripslashes function: clears the backslashes in the string

strtolower function: converts all letters in the string to lowercase

strtoupper function: converts all letters in the string is uppercase

trim function: intercept the spaces (or other characters) at the beginning and end of the string String operation function

explode function: cut the string according to the specified characters

str_pad function: fill another string with one string A string to a specified length

str_split function: convert the string into an array

str_shuffle function: randomly shuffle the order of characters in the string

str_ireplace function: replace a certain substring with another string

localeconv function: Get local digital and currency information

ltrim function: clear the continuous blanks (or other characters) at the left end of the string

money_format function: convert the numeric string into currency representation

nl_langinfo Function: Get language and region information

number_format function: Format a number string with thousand separators

parse_str function: Parse the string into a variable

setlocale function: Set region information

similar_text function: Count the number of matching strings in two strings

str_repeat function: reuse the specified string

str_replace function: case-sensitive string replacement

str_word_count function: return the number of words in the string

strcasecmp function: compare two strings

strlen function: count the length of strings

strnatcmp function: use natural order algorithm to compare strings

strrev function: reverse strings

strtok function: cut the string

strtr function: convert certain characters of the string

substr_count function: count the number of times one string appears in another string

substr_replace function: replace the characters in the string Part of it is another string

substr function: intercept the string

ucfirst function: change the first character in the string to uppercase

ucwords function: change the first letter of each word in the string Change to uppercase

wordwrap function: wrap the string according to the number of characters

PHP string search function for commonly used strings

chr function: convert the specified ordinal number into the corresponding ASCII code character

implode function: merge the array into a string

join function: convert the array into a string

crc32 function: calculate the crc32 polynomial of a string

strchr function: return the string in The substring from the first occurrence in another string to the end

strcspn function: Returns the length of the substring in the string that does not match the mask at the beginning

stripos function: Finds a string in another string The position of the first occurrence of a string in another string (case-insensitive)

stristr function: Returns the substring from the first occurrence of a string in another string to the end of the latter (case-insensitive)

strripos function : Case-insensitive search for the first occurrence of a character in a string

strrpos function: Search for the last position of a character in a string

strspn function: Returns the length of the first substring in the string that matches the mask

strstr function: Returns the string from the beginning to the end of a string in the string

String encoding functions for PHP commonly used strings

bin2hex function: Convert binary characters to Hexadecimal

convert_cyr_string function: Convert characters from one Cyrillic character to another

convert_uudecode function: Decode a string encoded with uuencode algorithm

convert_uuencode function: Encode a string with uuencode algorithm

count_chars function: returns information about all characters in the string

ord function: returns the ASCII code of a character

str_rot13 function: rot13 encoding a string

One of the commonly used strings in PHP String encryption functions

crypt function: encrypt the string with DES encoding

md5_file function: calculate the MD5hash of the given file

md5 function: perform MD5 encryption on a string

sha1_file function: calculate the sha1hash of the given file

echo function: output one or more characters

fprintf function: output a formatted string to the stream

print function: output a formatted string

printf function: output a formatted string

sprintf function: returns a formatted string to the variable

sscanf function: parses the input string according to a certain format

vfprintf function: outputs the formatted string to the stream

vprintf function: outputs a format transformed string

vsprintf function: output the formatted string to the variable

PHP commonly used string string comparison function

levenshtein function: calculate the Levenshtein of two strings distance

metaphone function: calculates the metaphone key of a string

soundex function: calculates the soundex key of a string

strcoll function: compares two strings

strcmp function: compares two strings

strnatcasecmp function: compare strings using natural arithmetic (not case sensitive)

strncasecmp function: compare the first n characters of strings (not case sensitive)

strncmp function: compare two strings The first n characters

strpbrk function: Find a series of characters in a string

strpos function: Find the first occurrence of a character in a string

strrchr function: Find a string in another string The position of the last occurrence in the string, and returns the substring starting from this position in the string to the end of the string

substr_compare function: Compares two strings within a certain length starting from the specified starting position (binary exact , case sensitive (optional)