Found 35164 Articles for Programming

The vprintf() function is used to convert string to formatted string. It outputs a formatted string.Syntaxvprintf(format, arg)Parametersforma − Specifies the string and how to format the variables in it.The following are the possible format values −%% - Returns a percent sign%b - Binary number%c - The character according to the ASCII value%d - Signed decimal number (negative, zero or positive)%e - Scientific notation using a lowercase (e.g. 1.2e+2)%E - Scientific notation using a uppercase (e.g. 1.2E+2)%u - Unsigned decimal number (equal to or greater than zero)%f - Floating-point number (local settings aware)%F - Floating-point number (not local settings aware)%g - ... Read More

The vfprintf() function is used to convert formatted string to specific output. It returns the length of the outputted string.Syntaxvfprintf(stream, format, arg)Parametersstream  − Specifies where to output the stringformat  − Specifies the string and how to format the variables in it.The following are the possible format values −%%  − Returns a percent sign%b  − Binary number%c  − The character according to the ASCII value%d  − Signed decimal number (negative, zero or positive)%e  − Scientific notation using a lowercase (e.g. 1.2e+2)%E  − Scientific notation using a uppercase (e.g. 1.2E+2)%u  − Unsigned decimal number (equal to or greater than zero)%f  − Floating-point ... Read More

The ucwords() function is used to convert the first character of a string to uppercase in each string.Syntaxucwords(str)Parametersstr − The specified stringReturnThe ucfirst() function returns the converted string.ExampleThe following is an example − Live DemoOutputThe following is the output −This Is It!ExampleLet us see another example − Live DemoOutputThe following is the output −#demo#text

The ucfirst() function is used to convert the first character of a string to uppercase. Syntax ucfirst(str) Parameters str − The specified string Return The ucfirst() function returns the converted string. Example The following is an example − Live Demo Output Demo

The trim() function is used to remove whitespaces and other characters.Syntaxtrim(str, charlist):Parametersstr − Specify the string to check.charlist − Specifies which characters to remove. If this parameter isn’t used, then any of the following characters are removed −"\0" - NULL"\t" - tab"" - new line"\x0B" - vertical tab"\r" - carriage returnReturnThe trim() function returns the modified string.ExampleThe following is an example − Live DemoOutputThe following is the output −Trim: Demo text!ExampleLet us see another example − Live DemoOutputThe following is the output −emo text

The substr() function is used to return a part of a string.Syntaxsubstr(str, begin, len)Parametersstr − The stringbegin − Specifies where to begin in the stringA positive number  − Start at a specified position in the stringA negative number  − Start at a specified position from the end of the string0  − Start at the first character in stringlen  − Specifies the length of the returned string. Default is to the end of the string.A positive number  − The length to be returned from the start parameterNegative number  − The length to be returned from the end of the stringReturnThe substr() ... Read More

The substr_replace() function is used to replace the part of string with another string.Syntaxsubstr_replace(str, replacement, begin, len)Parametersstr − The string to checkreplacement − The string to insertbegin − The position from where the replacement begins −If begin is a positive number: Begin replacing at the specified position in the stringIf begin is a n number: - Begin replacing at the specified position from the end of the stringif begin is 0 - Begin replacing at the first character in the string.len − The number of characters to be replaced. The default is the same length as the string.If len is ... Read More

The substr_count() function is used to count the number of sub-strings. Syntax substr_count(str,substr,begin,len) Parameters str − The string to check substr − The string to search for begin − Where to begin searching in the string len − The length of the search Return The substr_count() function returns the number of times substring occurs in the string. Example The following is an example − Live Demo Output 20 1

The substr_compare() function is used to compare two string format with a specific start position.Syntaxsubstr_compare(str1, str2, offset, len, case_insensitive)Parametersstr1 − The first string to comparestr2 − The second string to compareoffset − The start position for the comparison. If negative, the counting begins from the end of the string.len − The length of the first string to comparecase_insensitive − If case_insensitivity is TRUE, comparison is case insensitive.ReturnThe substr_compare() function returns −0 - if the two strings are equal0 - if string1 (from offset) is greater than string2If length is equal or greater than length of string1, this function returns FALSE.ExampleThe ... Read More

The strstr() is used to translate a character or replace substring. Syntax strstr(str, from, to) or strstr(str, arr) Parameters str − The string to translate from − The characters to change. A required parameter if array is not used. to − The characters to change into. A required parameter if array is not used. arr − Array containing what to change from as key, and what to change to as value Return The strstr() function returns the translated string. Example The following is an example − Live Demo Output tom han