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run code in 150+ php & hhvm versions
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<?php $custom_fields = ['foo' => '17', 'boo' => '18']; $time_intervals = ['day', 'month', 'year', 'hour', 'minute', 'period']; $data = [ 'fooday' => '17', 'foomonth' => 'March', 'name' => 'Chris', 'booyear' => '2014' ]; foreach ($custom_fields as $name => $values) { foreach ($time_intervals as $interval_name) { if (isset($data[$name . $interval_name])) { unset($data[$name . $interval_name]); } } } print_r($data);
based on TufF5
Output for 5.4.0 - 7.1.0
Array ( [name] => Chris )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/lNueO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/lNueO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lNueO on line 3
Process exited with code 255.