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<?php $x = 4; // this line might result in unexpected output: echo "x minus one equals " . $x-1 . ", or so I hope\n"; // because it is evaluated like this line: echo (("x minus one equals " . $x) - 1) . ", or so I hope\n"; // the desired precendence can be enforced by using parentheses: echo "x minus one equals " . ($x-1) . ", or so I hope\n";
Output for git.master, git.master_jit, rfc.property-hooks
x minus one equals 3, or so I hope Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /in/hQhOu:6 Stack trace: #0 {main} thrown in /in/hQhOu on line 6
Process exited with code 255.

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