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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(): &lt;?php print(strlen('It\'s Friday!')); ?&gt; This script will print: 12     ⇒ Ways to Remove Leading and Trailing... 2016-10-13, ∼2776🔥, 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, ∼2571🔥, 0💬

Converting Numbers to Strings in PHP
How To Convert Numbers to Strings? In a string context, PHP will automatically convert any numeric value to a string. Here is a PHP script examples: &lt;?php print(-1.3e3); print("\n"); print(strlen(-1.3e3)); print("\n"); print("Price = $" . 99.99 . "\n"); print(1 . " + " . 2 . " = " . 1+2 . "\n... 2016-10-13, ∼2562🔥, 0💬

Comparing Two Strings in PHP
How To Compare Two Strings with Comparison Operators? PHP supports 3 string comparison operators, &lt;, ==, and &gt;, 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, ∼2403🔥, 0💬

Including Variables in Double-Quoted Strings in PHP
How To Include Variables in Double-Quoted Strings? Variables included in double-quoted strings will be interpolated. Their values will be concatenated into the enclosing strings. For example, two statements in the following PHP script will print out the same string: &lt;?php $variable = "and"; e... 2016-10-13, ∼2396🔥, 0💬

Including Array Elements in Double-Quoted Strings in PHP
How Many Ways to Include Array Elements in Double-Quoted Strings? There are 2 formats to include array elements in double-quoted strings: "part 1 $array[key] part 2" - This is called simple format. In this format, you can not specify the element key in quotes. "part 1 {$array['key']} part 2" - This ... 2016-10-13, ∼2339🔥, 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, ∼2333🔥, 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: &lt;?php echo 'Hello ' . "world!\n"; ?&gt; This script will print: Hello world!     ⇒ Comparing Two Strings in PHP ⇐... 2016-10-13, ∼2325🔥, 0💬

Escape Sequences in Double-Quoted Strings in PHP
How Many Escape Sequences Are Recognized in Double-Quoted Strings? There are 12 escape sequences you can use in double-quoted strings: \\ - Represents the back slash character. \" - Represents the double quote character. \$ - Represents the dollar sign. \n - Represents the new line character (ASCII ... 2016-10-13, ∼2282🔥, 0💬

Ways to Include Variables in Double-Quoted Strings in PHP
How Many Ways to Include Variables in Double-Quoted Strings? There are 3 formats to include variables in double-quoted strings: "part 1 $variable part 2" - This is the simplest format to include a variable in a string. The variable name starts with the dollar sign and ends at the first character tha... 2016-10-13, ∼2250🔥, 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: &lt;?php $string = 'It\'s Friday?'; echo... 2016-10-13, ∼2188🔥, 0💬

Converting Character to ASCII Value in PHP
How To Convert a Character to an ASCII Value? If you want to convert characters to ASCII values, you can use the ord() function, which takes the first character of the specified string, and returns its ASCII value in decimal format. ord() complements chr(). Here is a PHP script on how to use ord(): ... 2016-10-13, ∼4454🔥, 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, ∼3745🔥, 0💬

Comparing Two Strings with strcmp() in PHP
How To Compare Two Strings with strcmp()? PHP supports 3 string comparison operators, &lt;, ==, and &gt;, 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, ∼3718🔥, 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(): &lt;?php $string = "Hello\tworld!\n"; print($string."\n"); print(bin2hex($string)."\n"); ?&gt; This script will print: Hello ... 2016-10-13, ∼3601🔥, 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, ∼2969🔥, 0💬

Joining Multiple Strings in PHP
How To Join Multiple Strings into a Single String? If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): &lt;?php $date = array('01', '01', '2006'); $keys =... 2016-10-13, ∼2791🔥, 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(): &lt;?php $string = "Warning: System will shutdown... 2016-10-13, ∼2635🔥, 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, ∼2633🔥, 0💬

Replacing Characters in a String in PHP
How To Replace a Group of Characters by Another Group? While processing a string, you may want to replace a group of special characters with some other characters. For example, if you don't want to show user's email addresses in the original format to stop email spammer collecting real email address... 2016-10-13, ∼2514🔥, 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(): &lt;?php $string = "beginning"; print("Position counted from left: ".substr($string,0,5)."... 2016-10-13, ∼2460🔥, 0💬

Splitting a String in PHP
How To Split a String into Pieces? There are two functions you can use to split a string into pieces: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) - Splitting a string based on a regular expression pattern. Better than explode() in... 2016-10-13, ∼2269🔥, 0💬

Converting Strings to Upper/Lower Case in PHP
How To Convert Strings to Upper or Lower Cases? 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: &lt;?php $string = "PHP string functions are easy to use."; $lower = strtolower($string); $upper = strtou... 2016-10-13, ∼2242🔥, 0💬

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, ∼2212🔥, 0💬

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