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run code in 200+ php & hhvm versions
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<?php $str="09:00"; $rep=str_replace(":","",$str); echo $rep; echo intvalue($rep)+1;
based on mtWhf
Output for 7.0.0 - 7.2.0
0900 Fatal error: Uncaught Error: Call to undefined function intvalue() in /in/Mo31Z:6 Stack trace: #0 {main} thrown in /in/Mo31Z on line 6
Process exited with code 255.
Output for 5.3.20 - 5.6.28
0900 Fatal error: Call to undefined function intvalue() in /in/Mo31Z on line 6
Process exited with code 255.