Web Reference: Convert all characters to lowercase: echo strtolower ("Hello WORLD."); The strtolower () function converts a string to lowercase. Note: This function is binary-safe. Related functions: Required. Specifies the string to convert. Returns string with all ASCII alphabetic characters converted to lowercase. Bytes in the range "A" (0x41) to "Z" (0x5a) will be converted to the corresponding lowercase letter by adding 32 to each byte value. Jul 11, 2025 · The strtolower () function is used to convert a string into lowercase. The only parameter to this function is a string that is to be converted to lower-case. This function returns a string in which all the alphabets are lower-case. Examples: strtolower($str) Below programs illustrate the strtolower () function in PHP: Example 1: Output: Example 2:
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38 Php String Function Strtolower Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $15M - $34M
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Last Updated: April 7, 2026
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