How can one replace specific parts of a variable string in PHP without affecting other parts of the string?

When replacing specific parts of a variable string in PHP, you can use the `str_replace` function to target and replace only the desired parts without affecting the rest of the string. By specifying the exact substring you want to replace and the replacement value, you can ensure that only the intended parts are modified. 

// Sample variable string
$originalString = "The quick brown fox jumps over the lazy dog";

// Replace "brown" with "red" in the string
$modifiedString = str_replace("brown", "red", $originalString);

// Output the modified string
echo $modifiedString;

Keywords

PHP string manipulation str_replace regular expressions substr_replace

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