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Are you a PHP developer? Do you know all about PHP along with all these facts that I am presenting to you below? I bet you you don’t know at least 10 out of 20. You don’t believe me, lets read all 20 points below and find out how many of them you know already?

As a PHP developer you should know all these facts. I call them interesting because, almost all points surprised me. Though I am a PHP developer from the past 4 years but didn’t know all these facts.

PHP provides many pre-defined methods to deal with strings. One of the strong way to deal with strings is to use regular expressions aka ‘regex‘.

Let’s use regular expression with preg_replace() method to strip excess whitespace from a string.