3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x = '<extData> <orderData> <order><orderId>6</orderId><orderTime>2014-10-23T02:53:38</orderTime><item><sku>138</sku><title>Beef Pie</title><quantity>1</quantity><price>8.00</price><amount>8.00</amount></item><item><sku>138</sku><title>Beef Pie</title><quantity>-1</quantity><price>8.00</price><amount>-8.00</amount></item><subtotal>0.00</subtotal><fee>0.00</fee><total>0.00</total><orderStatus>COMP</orderStatus></order><schema_version>2</schema_version> </orderData> </extData><price>±'; preg_match('/^(.*<extData>)/',$x, $matches); var_dump($matches);
based on Xeiu0
Output for 4.3.0 - 7.2.0
array(2) { [0]=> string(9) "<extData>" [1]=> string(9) "<extData>" }