3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $start_w = "SIR.14_SER_"; for($i=1; $i<= 70; $i++) { if($i<10) { echo $start_w.'00'.$i.'+'; }elseif($i<100){ echo $start_w.'0'.$i.'+'; } }
based on IqiKj
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
SIR.14_SER_001+SIR.14_SER_002+SIR.14_SER_003+SIR.14_SER_004+SIR.14_SER_005+SIR.14_SER_006+SIR.14_SER_007+SIR.14_SER_008+SIR.14_SER_009+SIR.14_SER_010+SIR.14_SER_011+SIR.14_SER_012+SIR.14_SER_013+SIR.14_SER_014+SIR.14_SER_015+SIR.14_SER_016+SIR.14_SER_017+SIR.14_SER_018+SIR.14_SER_019+SIR.14_SER_020+SIR.14_SER_021+SIR.14_SER_022+SIR.14_SER_023+SIR.14_SER_024+SIR.14_SER_025+SIR.14_SER_026+SIR.14_SER_027+SIR.14_SER_028+SIR.14_SER_029+SIR.14_SER_030+SIR.14_SER_031+SIR.14_SER_032+SIR.14_SER_033+SIR.14_SER_034+SIR.14_SER_035+SIR.14_SER_036+SIR.14_SER_037+SIR.14_SER_038+SIR.14_SER_039+SIR.14_SER_040+SIR.14_SER_041+SIR.14_SER_042+SIR.14_SER_043+SIR.14_SER_044+SIR.14_SER_045+SIR.14_SER_046+SIR.14_SER_047+SIR.14_SER_048+SIR.14_SER_049+SIR.14_SER_050+SIR.14_SER_051+SIR.14_SER_052+SIR.14_SER_053+SIR.14_SER_054+SIR.14_SER_055+SIR.14_SER_056+SIR.14_SER_057+SIR.14_SER_058+SIR.14_SER_059+SIR.14_SER_060+SIR.14_SER_061+SIR.14_SER_062+SIR.14_SER_063+SIR.14_SER_064+SIR.14_SER_065+SIR.14_SER_066+SIR.14_SER_067+SIR.14_SER_068+SIR.14_SER_069+SIR.14_SER_070+