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<?php echo "Monday, 1st week of 2016 => "; $year = 2016; $week = sprintf('%02d', 1); $dof = 1; echo date( "l, M jS, Y", strtotime($year."W".$week.$dof) ); echo "\n\n"; echo "Thursday, 7th week of 2016 => "; $year = 2016; $week = sprintf('%02d', 7); $dof = 4; echo date( "l, M jS, Y", strtotime($year."W".$week.$dof) );
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
Monday, 1st week of 2016 => Monday, Jan 4th, 2016 Thursday, 7th week of 2016 => Thursday, Feb 18th, 2016
Output for 5.0.0 - 5.0.5
Monday, 1st week of 2016 => Monday, Dec 28th, 2015 Thursday, 7th week of 2016 => Thursday, Feb 11th, 2016
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Monday, 1st week of 2016 => Thursday, Jan 1st, 1970 Thursday, 7th week of 2016 => Thursday, Jan 1st, 1970

preferences:
237.1 ms | 402 KiB | 465 Q