PHP: Case Insensitive String Replacements
Question by Guest | 2014-06-27 at 13:03
For searching and replacing strings, up to now I have always used the function str_replace in PHP.
Unfortunately, now I am coming to the limits of this function, because I would like to do some replacements independent from uppercase and lowercase writing of the letters and characters.
Of course, I also know about regular expressions and that you can use them in this case, but I am a PHP beginner so that this is a bit complicated for me at that time. Isn't there any simple way to do case insensitive string replacements in PHP?
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Instead of working with complicated regular expressions, you can also use the function str_ireplace instead of str_replace. This is a function working exactly like str_replace with the only difference is that it is replacing without caring about upper and lower case of writing.
$s = 'Hallo'; $s = str_ireplace('hallo', 'test', $s); echo $s; // testIt is even better for the performance and it is recommended to use this function instead of regular expressions (preg_replace() with the i-modifier).
2014-06-29 at 15:09