3v4l.org

run code in 300+ PHP versions simultaneously
<?php function format_str($number, $maxLen){ $len = strlen($number); $padding = $maxLen-$len; if($padding > 0){ return "<span>".str_pad ('' , $padding, '0', STR_PAD_LEFT)."</span>".$number; } return $number; } echo format_str(1,6)."\n"; echo format_str(10,6)."\n"; echo format_str(152,6)."\n"; echo format_str(32152,6)."\n";
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
<span>00000</span>1 <span>0000</span>10 <span>000</span>152 <span>0</span>32152
preferences:
144.89 ms | 408 KiB | 5 Q