3v4l.org

run code in 300+ PHP versions simultaneously
<?php $asd = md5(sprintf($null, '')) .'1'; echo $asd;
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined variable $null in /in/99876 on line 2 Deprecated: sprintf(): Passing null to parameter #1 ($format) of type string is deprecated in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $null in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: null in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1
Output for 7.3.32 - 7.3.33, 7.4.26
d41d8cd98f00b204e9800998ecf8427e1
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: null in /in/99876 on line 2 d41d8cd98f00b204e9800998ecf8427e1

preferences:
195.06 ms | 402 KiB | 339 Q