How do I get the first digit of a string in PHP?

How do I get the first digit of a string in PHP?

“php get first digit of number” Code Answer’s

1. // in case the number is a string.
2. $s = ‘123’;
3. $a = $s[0];
4. echo $a; // 1.
5. ​
6. // in case the number is an integer.
7. ​
8. // Possibility 1.

How can I get the last digit of a number in PHP?

php function firstNumber($n) { // Find total number of digits – 1 $digits = (int)log10($n); // Find first digit $n = (int)($n / pow(10, $digits)); // Return first digit return $n; } // Find the last digit function lastNumer($n) { // return the last digit return ($n % 10); } // Define numer $n = 58727; echo firstNumber …

How can we find last occurrence of a character in a string in PHP?

The strrpos() function finds the position of the last occurrence of a string inside another string. Note: The strrpos() function is case-sensitive. Related functions: strpos() – Finds the position of the first occurrence of a string inside another string (case-sensitive)

How can I get last two digits in PHP?

You can use substr() method of PHP to get the last two digit of a year as follows. $year = 2011; $year = substr( $year, -2); The above code gives 11 as a output which is the last two digit of 2011.

Is string a number PHP?

The is_numeric() function checks whether a variable is a number or a numeric string. This function returns true (1) if the variable is a number or a numeric string, otherwise it returns false/nothing.

Is string a PHP?

The is_string() function checks whether a variable is of type string or not. This function returns true (1) if the variable is of type string, otherwise it returns false/nothing.

What does Strchr do in PHP?

The strchr() function is a built-in function in PHP and is used to search for the first occurrence of a given string(say searchStr) in another string(say originalStr) and returns the rest of the string from originalStr starting from the first occurrence of searchStr in orignalStr.

How to get the first character of a string in PHP?

If you have a string, you can treat it just like an array to get its first character: So, you can just use the square brackets. The first place is the 0, the second the 1 and so on. However, if You should have a number variable, you can not use the square brackets.

How to extract numbers from a string in PHP?

Use preg_replace () Function to Extract Numbers From a String in PHP In PHP, we can also use the preg_replace () function to extract numbers from a string. The correct syntax to use this function is as follows: preg_replace($regexPattern, $replacementVar, $original, $limit, $count)

How is a string treated as an array in PHP?

This is possible because strings in PHP can be treated like character arrays (basically, a string is just an array that consists of characters). In the second approach, we used the PHP function substr, which returns a part of a string. With the substr function, there are three parameters: The string in question.

How to get only one character from string?

An alternative way to get only one character. $str = ‘abcdefghij’; echo $str{5}; I would particularly not use this, but for the purpose of education. We can use that to answer the question: $newString = ”; for ($i = 0; $i < 5; $i++) { $newString .= $str{$i}; } echo $newString;