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<?php for ($x = 1; $x < 10; $x++) { echo $x * $x . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo "$x * $x" . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo '$x * $x' . PHP_EOL; } echo PHP_EOL; for ($x = 1; $x < 10; $x++) { echo $x . '*' . $x . PHP_EOL; }
Output for git.master_jit, git.master, rfc.property-hooks
1 4 9 16 25 36 49 64 81 1 * 1 2 * 2 3 * 3 4 * 4 5 * 5 6 * 6 7 * 7 8 * 8 9 * 9 $x * $x $x * $x $x * $x $x * $x $x * $x $x * $x $x * $x $x * $x $x * $x 1*1 2*2 3*3 4*4 5*5 6*6 7*7 8*8 9*9

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