Converting Strings to Upper/Lower Case in PHP

Q

How To Convert Strings to Upper or Lower Cases?

✍: FYIcenter.com

A

Converting strings to upper or lower cases are easy. Just use strtoupper() or strtolower() functions. Here is a PHP script on how to use them:

<?php
$string = "PHP string functions are easy to use.";
$lower = strtolower($string);
$upper = strtoupper($string);
print("$lower\n");
print("$upper\n");
print("\n");
?>

This script will print:

php string functions are easy to use.
PHP STRING FUNCTIONS ARE EASY TO USE.

⇒ Converting Leading Characters to Upper Case in PHP

⇐ Reformatting a Paragraph of Text in PHP

⇑ PHP Built-in Functions for Strings

⇑⇑ PHP Tutorials

2016-10-13, ∼3015🔥, 0💬

Comparing Two Strings with strcmp() in PHP
How To Compare Two Strings with strcmp()? PHP supports 3 string comparison operators, <, ==, and >, that generates Boolean values. But if you want to get an integer result by comparing two strings, you can the strcmp() function, which compares two strings based on ASCII values of their... 2016-10-13, ∼4826🔥, 0💬

Testing the strpos() Return Value in PHP
What Is the Best Way to Test the strpos() Return Value? Because strpos() could two types of values, Integer and Boolean, you need to be careful about testing the return value. The best way is to use the "Identical(===)" operator. Do not use the "Equal(==)" operator, because it does not differentiate... 2016-10-13, ∼4634🔥, 0💬

Converting Strings to Hex Numbers in PHP
How To Convert Strings to Hex Numbers? If you want convert a string into hex format, you can use the bin2hex() function. Here is a PHP script on how to use bin2hex(): <?php $string = "Hello\tworld!\n"; print($string."\n"); print(bin2hex($string)."\n"); ?> This script will print: Hello ... 2016-10-13, ∼4423🔥, 0💬

Generating Character from ASCII Value in PHP
How To Generate a Character from an ASCII Value? If you want to generate characters from ASCII values, you can use the chr() function. chr() takes the ASCII value in decimal format and returns the character represented by the ASCII value. chr() complements ord(). Here is a PHP script on how to use c... 2016-10-13, ∼3734🔥, 0💬

Finding a Substring in PHP
How to Find a Substring from a Given String? To find a substring in a given string, you can use the strpos() function. If you call strpos($haystack, $needle), it will try to find the position of the first occurrence of the $needle string in the $haystack string. If found, it will return a non-negati... 2016-10-13, ∼3380🔥, 0💬

Replacing a Substring in PHP
How To Replace a Substring in a Given String? If you know the position of a substring in a given string, you can replace that substring by another string by using the substr_replace() function. Here is a PHP script on how to use substr_replace(): <?php $string = "Warning: System will shutdown... 2016-10-13, ∼3352🔥, 0💬

Reformatting a Paragraph of Text in PHP
How To Reformat a Paragraph of Text? You can wordwrap() reformat a paragraph of text by wrapping lines with a fixed length. Here is a PHP script on how to use wordwrap(): <?php $string = "TRADING ON MARGIN POSES ADDITIONAL RISKS AND IS NOT SUITABLE FOR ALL INVESTORS. A COMPLETE LIST OF THE RI... 2024-02-27, ∼3310🔥, 5💬

Converting Leading Characters to Upper Case in PHP
How To Convert Leading Characters to Upper Case? If you are processing an article, you may want to capitalize the first character of a sentence by using the ucfirst() function. You may also want to capitalize the first character of every words for the article title by using the ucwords() function. H... 2016-10-13, ∼3051🔥, 0💬

Taking a Substring in PHP
How To Take a Substring from a Given String? If you know the position of a substring in a given string, you can take the substring out by the substr() function. Here is a PHP script on how to use substr(): <?php $string = "beginning"; print("Position counted from left: ".substr($string,0,5)."... 2016-10-13, ∼3038🔥, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.