Is there a reason that I'm not seeing, why this doesn't work?
$string = $someLongUserGeneratedString;
$replaced = str_replace(' ', '_', $string);
echo $replaced;
The output still includes spaces... Any ideas would be awesome
This question is related to
php
str-replace
I'll suggest that you use this as it will check for both single and multiple occurrence of white space (as suggested by Lucas Green).
$journalName = preg_replace('/\s+/', '_', $journalName);
instead of:
$journalName = str_replace(' ', '_', $journalName);
For one matched character replace, use str_replace:
$string = str_replace(' ', '_', $string);
For all matched character replace, use preg_replace:
$string = preg_replace('/\s+/', '_', $string);
Try this instead:
$journalName = preg_replace('/\s+/', '_', $journalName);
Explanation: you are most likely seeing whitespace, not just plain spaces (there is a difference).
Try this instead:
$journalName = str_replace(' ', '_', $journalName);
to remove white space
Source: Stackoverflow.com