Harden regex for version number extracting a bit.

dannyvankooten · dannyvankooten · commit cf2e61ad28c9 · 2015-12-10T11:31:08.000+07:00
diff --git a/includes/functions.php b/includes/functions.php
@@ -205,7 +205,7 @@ function __mc4wp_use_sslverify() {
 		return false;
 	}
 
-	$ssl_version = preg_replace( '/[a-z|\/]/i', '', $curl['ssl_version'] );
+	$ssl_version = preg_replace( '/[^0-9\.]/', '', $curl['ssl_version'] );
 	$required_ssl_version = '1.0.1';
 
 	// Disable if OpenSSL is not at version 1.0.1

Original file line number	Diff line number	Diff line change
`@@ -205,7 +205,7 @@ function __mc4wp_use_sslverify() {`
`205`	`205`	`return false;`
`206`	`206`	`}`
`207`	`207`
`208`		`- $ssl_version = preg_replace( '/[a-z\|\/]/i', '', $curl['ssl_version'] );`
	`208`	`+ $ssl_version = preg_replace( '/[^0-9\.]/', '', $curl['ssl_version'] );`
`209`	`209`	`$required_ssl_version = '1.0.1';`
`210`	`210`
`211`	`211`	`// Disable if OpenSSL is not at version 1.0.1`