3v4l.org

run code in 300+ PHP versions simultaneously
<?php If(date("N")>1){ $w = date("W")+2; }Else{ $w =date("W")+1; } $y = date("Y"); $d = date("Y\WWN", strtotime($y . "W" . $w . "2")); For($i=1; $i<7;$i++){ Echo date("Y-m-d", strtotime($d)+(86400*7)*$i) ."\n"; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
2018-07-03 2018-07-10 2018-07-17 2018-07-24 2018-07-31 2018-08-07
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
preferences:
225.1 ms | 411 KiB | 6 Q