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run code in 200+ php & hhvm versions
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<?php function writeWelcome(string $username, int $salary) : void { printHeader(); echo "Witaj {$user}"; echo "Dzisiejsza Twoja wypłata, to: {$salary}"; } writeWelcome('Marek', 700);
Output for 7.0.0 - 7.3.1
Fatal error: Uncaught Error: Call to undefined function printHeader() in /in/BLilO:5 Stack trace: #0 /in/BLilO(11): writeWelcome('Marek', 700) #1 {main} thrown in /in/BLilO on line 5
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/BLilO on line 3
Process exited with code 255.