3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo '<input id="temps' + counter + '" name="temps' + '" type="number" size="10" min="0" max="24" value="0" step="any" onchange="checkField();" class="dynamic" onblur="autre();" onfocus="enter();"/>';
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant counter - assumed 'counter' (this will throw an Error in a future version of PHP) in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 0
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant counter - assumed 'counter' in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 Warning: A non-numeric value encountered in /in/tnPiK on line 2 0
Output for 4.3.0 - 7.0.20
Notice: Use of undefined constant counter - assumed 'counter' in /in/tnPiK on line 2 0