How can you determine the length of a variable's content in PHP?

To determine the length of a variable's content in PHP, you can use the built-in function `strlen()`. This function returns the number of characters in a string variable. By passing the variable as an argument to `strlen()`, you can easily get the length of its content. 

$variable = "Hello, World!";
$length = strlen($variable);
echo "The length of the variable's content is: " . $length;

Keywords

strlen mb_strlen iconv_strlen character length string length

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