3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "The quick brown fox jumps over the lazy dog"; $c = 0; for($i = 1; $i < 44; $i++) { if(in_array(substr($str,$i-1,$i),array("a","e","i","o","u"))) $c++; echo substr($str,$i-1,$i)."\n"; } echo $c;
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, 5.5.24 - 5.5.35, 5.6.8 - 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
T he e q qui quick uick b ick bro ck brown k brown f brown fox brown fox j rown fox jum own fox jumps wn fox jumps o n fox jumps ove fox jumps over fox jumps over th ox jumps over the x jumps over the la jumps over the lazy jumps over the lazy d umps over the lazy dog mps over the lazy dog ps over the lazy dog s over the lazy dog over the lazy dog over the lazy dog ver the lazy dog er the lazy dog r the lazy dog the lazy dog the lazy dog he lazy dog e lazy dog lazy dog lazy dog azy dog zy dog y dog dog dog og g 0

preferences:
211.28 ms | 407 KiB | 340 Q