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<?php $jd=cal_to_jd(CAL_GREGORIAN,date("m"),date("d"),date("Y")); echo(jddayofweek($jd,1)); ?>
Output for 7.1.20 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Call to undefined function cal_to_jd() in /in/vQQqI:2 Stack trace: #0 {main} thrown in /in/vQQqI on line 2
Process exited with code 255.
Output for 5.6.28, 7.0.12 - 7.0.20, 7.1.0 - 7.1.10
Sunday
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.23, 7.0.0 - 7.0.8
Tuesday
preferences:
268.14 ms | 404 KiB | 367 Q