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run code in 150+ php & hhvm versions
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<?php $params = array( 'with' => array( 'foo', 'bar' ) ); var_dump( array_keys( $params ) == array( 'with' ) );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true)