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<?php $arr = array('foo' => 'bar'); foreach (array('foo', 'baz') as $key) { $var1 = $arr[$key] || 'fooDefault'; $var2 = $arr[$key] && $arr[$key]; var_dump($var1); var_dump($var2); }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) bool(true) Warning: Undefined array key "baz" in /in/QlK4c on line 5 Warning: Undefined array key "baz" in /in/QlK4c on line 6 bool(true) bool(false)
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
bool(true) bool(true) Notice: Undefined index: baz in /in/QlK4c on line 5 Notice: Undefined index: baz in /in/QlK4c on line 6 bool(true) bool(false)
Output for 7.3.32 - 7.3.33, 7.4.26
bool(true) bool(true) bool(true) bool(false)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
bool(true) bool(true) Notice: Undefined index: baz in /in/QlK4c on line 5 Notice: Undefined index: baz in /in/QlK4c on line 6 bool(true) bool(false)
preferences:
285.6 ms | 402 KiB | 355 Q