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<?php //modify instagram embed code. $code = '<iframe src="//instagram.com/p/mJ1-QxtlVg/embed/" width="600" height="696" frameborder="0" scrolling="no" allowtransparency="true"></iframe>'; $instagramEmbedPattern = "\instagram\.com\/p\/(.*)\/embed\/?\\"; preg_match($instagramEmbedPattern, $code, $matches); if (2 === count($matches)) { echo $matches[1]; }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/bhTkG on line 5 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/bhTkG:6 Stack trace: #0 {main} thrown in /in/bhTkG on line 6
Process exited with code 255.

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