<?php
$t = "(AB|AL|B BA BB BD BF BH BL BN BR BS BT BX CA CB CF CH CM CO CR CT CV CW DA DD DE DG DH DL DN DT DY E EC EH EN EX FK FY G GL GU GY HA HD HG HP HR HS HU HX IG IM IP IV JE KA KT KW KY L GIR LA LD LE LL LN LS LU M ME MK ML N NE NG NN NP NR NW OL OX PA PE PH PL PO PR RG RH RM S SA SE SG SK SL SM SN SO SP SR SS ST SW SY TA TD TF TN TQ TR TS TW UB W WA WC WD WF WN WR WS WV YO ZE";
return impode('|', explode(' ', $t));
Fatal error: Uncaught Error: Call to undefined function impode() in /in/UjUmd:4
Stack trace:
#0 {main}
thrown in /in/UjUmd on line 4
Process exited with code 255.