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run code in 200+ php & hhvm versions
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<?php class DbSwitcher { function __construct() { print "switch to EAS DB\n"; } function __destruct() { print "switch back\n"; } } function foo() { $switched = new DbSwitcher(); echo "do queries\n"; } foo(); foo();
Output for 5.0.0 - 7.2.0
switch to EAS DB do queries switch back switch to EAS DB do queries switch back
Output for 4.3.0 - 4.4.9
do queries do queries