foreach loop with key in PHP

Question

In the following foreach loop, how would I access the value of $url?

 foreach ( $this->sessions as $i => $url ) curl_multi_add_handle( $mh, $this->sessions[$i] ); …

I am trying to understand how that value for the url would be accessed for each particular cycle of the loop.

You would simply use $url within the loop, what's the issue? — Ohgodwhy
– Ohgodwhy, Commented Jun 7, 2014 at 0:13

Barmar · Accepted Answer · 2014-06-07 00:15:56Z

You just use the variable:

foreach ( $this->sessions as $i => $url ) { curl_multi_add_handle( $mh, $url ); }

Also, get in the habit of always putting braces around the body of for, foreach, if, while, etc., even if it's just one line. It prevents difficult-to-find errors in the future.

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