PHP Built-in Functions for Strings

Q

Where to find tutorials and answers to frequently asked questions for PHP Built-in Functions for Strings?

✍: FYIcenter.com

A

A collection of frequently asked questions on manipulating strings in PHP. Clear answers are provided with tutorial exercises on string functions including strlen, trim, substr, chop, strpos, strcmp, split, etc. Topics included in this collection are:

Counting the Number of Characters in PHP

Ways to Remove Leading and Trailing White Spaces in PHP

Remove Trailing New Line Character in PHP

Removing Leading and Trailing Spaces in PHP

Finding a Substring in PHP

Testing the strpos() Return Value in PHP

Taking a Substring in PHP

Replacing a Substring in PHP

Reformatting a Paragraph of Text in PHP

Converting Strings to Upper/Lower Case in PHP

Converting Leading Characters to Upper Case in PHP

Comparing Two Strings with strcmp() in PHP

Converting Strings to Hex Numbers in PHP

Generating Character from ASCII Value in PHP

Converting Character to ASCII Value in PHP

Splitting a String in PHP

Joining Multiple Strings in PHP

Applying UUEncode to a String in PHP

Replacing Characters in a String in PHP

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2016-10-13, 1361👍, 0💬

PHP Built-in Functions for Strings
Where to find tutorials and answers to frequently asked questions for PHP Built-in Functions for Strings? A collection of frequently asked questions on manipulating strings in PHP. Clear answers are provided with tutorial exercises on string functions including strlen, trim, substr, chop, strpos, st... 2016-10-13, 1362👍, 0💬

Converting Strings to Numbers in PHP
How To Convert Strings to Numbers? In a numeric context, PHP will automatically convert any string to a numeric value. Strings will be converted into two types of numeric values, double floating number and integer, based on the following rules: The value is given by the initial portion of the string... 2016-10-13, 1279👍, 0💬

Assigning a New Character in a String in PHP
How To Assigning a New Character in a String? The string element expression, $string{index}, can also be used at the left side of an assignment statement. This allows you to assign a new character to any position in a string. Here is a PHP script example: <?php $string = 'It\'s Friday?'; echo... 2016-10-13, 1244👍, 0💬

Remove Trailing New Line Character in PHP
How To Remove the New Line Character from the End of a Text Line? If you are using fgets() to read a line from a text file, you may want to use the chop() function to remove the new line character from the end of the line as shown in this PHP script: <?php $handle = fopen("/tmp/inputfile.txt"... 2016-10-13, 1237👍, 0💬

Concatenating Two Strings in PHP
How To Concatenate Two Strings Together? You can use the string concatenation operator (.) to join two strings into one. Here is a PHP script example of string concatenation: <?php echo 'Hello ' . "world!\n"; ?> This script will print: Hello world! Â â‡’Understanding PHP String Lite... 2016-10-13, 1230👍, 0💬

Counting the Number of Characters in PHP
How To Count the Number of Characters in a String? You can use the "strlen()" function to count the number of characters in a string. Here is a PHP script example of strlen(): <?php print(strlen('It\'s Friday!')); ?> This script will print: 12 Â â‡’PHP Built-in Functions for Strings... 2016-10-13, 1225👍, 0💬

Removing Leading and Trailing Spaces in PHP
How To Remove Leading and Trailing Spaces from User Input Values? If you are taking input values from users with a Web form, users may enter extra spaces at the beginning and/or the end of the input values. You should always use the trim() function to remove those extra spaces as shown in this PHP s... 2016-10-13, 1192👍, 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, 1154👍, 0💬

Comparing Two Strings in PHP
How To Compare Two Strings with Comparison Operators? PHP supports 3 string comparison operators, <, ==, and >, that generates Boolean values. Those operators use ASCII values of characters from both strings to determine the comparison results. Here is a PHP script on how to use compar... 2016-10-13, 1153👍, 0💬

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