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How to use Loop In PHP

Using str_replace( ) function

This approach involves iterating through each character in the string and converting it to lowercase using strtolower().

$lowercaseString = '';
for ($i = 0; isset($string[$i]); $i++) {
    $lowercaseString .= strtolower($string[$i]);
}


How to convert a String to Lowercase in PHP?

Converting a string to lowercase in PHP is a common operation that allows you to standardize string formats or perform case-insensitive comparisons.

Table of Content

  • Using strtolower() function
  • Using mb_strtolower() function
  • Using str_replace( ) function
  • Using Loop

Similar Reads

Using strtolower() function:

PHP strtolower() converts all alphabetic characters in a string to lowercase....

Using mb_strtolower() function

PHP mb_strtolower() performs case folding on a string, allowing accurate lowercase conversion for multibyte encodings like UTF-8....

Using str_replace( ) function

PHP str_replace() method replaces each uppercase character in the string with its corresponding lowercase character using str_replace( )....

Using Loop

This approach involves iterating through each character in the string and converting it to lowercase using strtolower()....

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Using str_replace( ) function