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<?php function getText() : string { return 'text'; } function printText(string $text) : void { echo $text . PHP_EOL; } printText(getText()); printText('custom text'); printText([]);
Output for git.master, git.master_jit, rfc.property-hooks
text custom text Fatal error: Uncaught TypeError: printText(): Argument #1 ($text) must be of type string, array given, called in /in/M7ikB on line 15 and defined in /in/M7ikB:8 Stack trace: #0 /in/M7ikB(15): printText(Array) #1 {main} thrown in /in/M7ikB on line 8
Process exited with code 255.

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