3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 1; $i <= 20; $i++) { for ($k=1; $k<= 20 - $i; $k++) { print(" "); } for ($j = 1; $j <= 2*$i-1; $j++) { //případně s j <= i print("*"); //a tady "* " (mezera za hvězdičkou) } print("\n"); }
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 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
* *** ***** ******* ********* *********** ************* *************** ***************** ******************* ********************* *********************** ************************* *************************** ***************************** ******************************* ********************************* *********************************** ************************************* ***************************************
preferences:
250.57 ms | 407 KiB | 389 Q