3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = '<p id="keepthis"> text</p><div id="foo">text</div><div id="bar">more text</div><a id="red"href="page6.php">Page 6</a><a id="green"href="page7.php">Page 7</a>'; echo preg_replace_callback( '/(?<=<div|<a)( *id="[^"]+")/', function ($match) { return " "; }, $string );
Output for 5.3.0 - 7.1.0
<p id="keepthis"> text</p><div >text</div><div >more text</div><a href="page6.php">Page 6</a><a href="page7.php">Page 7</a>
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/lcTiS on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/lcTiS on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lcTiS on line 7
Process exited with code 255.