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<?php // Curious about the bytecode difference between comma-separated and period-concatenated echoes echo 'foo', 'bar', 'baz'; echo 'foo' . 'bar' . 'baz'; $bar = 'bar'; echo 'foo', $bar[rand(0,2)], 'baz'; echo 'foo' . $bar[rand(0,2)] . 'baz';
Output for 4.3.2, 4.3.10, 4.4.2, 4.4.4 - 4.4.5, 5.1.2, 5.2.10, 5.3.10, 5.3.13, 5.3.15, 5.3.22, 5.4.0, 5.4.6, 5.4.18, 5.4.22, 5.4.37, 5.5.24, 5.5.28, 5.6.12, 7.0.6, 7.1.7, 7.2.0
foobarbazfoobarbazfoobbazfoobbaz
Output for 4.3.8, 4.4.6, 5.0.2, 5.0.5, 5.2.8, 5.3.5, 5.3.7, 5.3.14, 5.3.16, 5.3.25, 5.4.32, 5.4.40, 5.6.28, 7.0.20, 7.1.5 - 7.1.6
foobarbazfoobarbazfooabazfoobbaz
Output for 5.0.1, 5.2.0, 5.2.5, 5.2.11, 5.3.6, 5.3.11, 5.3.24, 5.3.28, 5.4.7, 5.4.15 - 5.4.16, 5.4.26, 5.4.38, 5.5.34, 5.6.14 - 5.6.15, 5.6.19, 7.1.0
foobarbazfoobarbazfoobbazfooabaz
Output for 4.3.9, 4.4.0 - 4.4.1, 5.2.4, 5.2.14, 5.2.17, 5.3.2, 5.3.8 - 5.3.9, 5.3.20 - 5.3.21, 5.3.26, 5.3.29, 5.4.1 - 5.4.2, 5.4.39, 5.4.41, 5.5.31, 5.5.35, 7.0.14
foobarbazfoobarbazfooabazfooabaz
Output for 4.3.0, 4.3.11, 4.4.9, 5.2.1 - 5.2.3, 5.2.6, 5.2.16, 5.3.1, 5.4.12, 5.4.21, 5.4.23, 5.4.30, 5.4.34, 5.4.42 - 5.4.43, 5.4.45, 5.6.10, 7.0.0, 7.0.5
foobarbazfoobarbazfoorbazfoobbaz
Output for 4.3.3 - 4.3.4, 4.4.3, 5.0.0, 5.1.0, 5.1.6, 5.3.4, 5.3.12, 5.4.9, 5.4.28, 5.5.25, 5.5.27, 5.5.29, 5.6.9, 5.6.11, 5.6.13, 5.6.17 - 5.6.18, 7.0.4
foobarbazfoobarbazfoobbazfoorbaz
Output for 4.3.6, 4.4.7, 5.1.4, 5.2.9, 5.2.12, 5.3.3, 5.3.18, 5.4.5, 5.4.11, 5.4.19, 5.4.24 - 5.4.25, 5.4.44, 5.5.26, 7.0.2 - 7.0.3
foobarbazfoobarbazfoorbazfoorbaz
Output for 4.3.7, 4.4.8, 5.0.3 - 5.0.4, 5.1.5, 5.2.13, 5.2.15, 5.3.0, 5.3.17, 5.3.19, 5.3.27, 5.4.8, 5.4.27, 5.4.35, 5.5.33, 5.6.8, 5.6.16, 7.0.1
foobarbazfoobarbazfooabazfoorbaz
Output for 4.3.1, 4.3.5, 5.1.1, 5.1.3, 5.2.7, 5.3.23, 5.4.3 - 5.4.4, 5.4.10, 5.4.13 - 5.4.14, 5.4.17, 5.4.20, 5.4.29, 5.4.31, 5.4.36, 5.5.30, 5.5.32, 5.6.20 - 5.6.21
foobarbazfoobarbazfoorbazfooabaz
preferences:
135.21 ms | 404 KiB | 174 Q