3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = '"Мы верим, что потенциал Украины огромен. Мы, как все украинцы, стремимся к созданию новой страны", - отметил он #Новости_0629 #Ахметов #новая'; $t2 = mb_substr($t, 0, strlen($t)) var_dump(strlen($t2));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.5.90.0100.06019.42
5.5.80.0200.07719.28
5.5.70.0270.07319.28
5.5.60.0200.05719.36
5.5.50.0300.03719.36
5.5.40.0170.05719.22
5.5.30.0270.05319.23
5.5.20.0200.04019.21
5.5.10.0170.04019.60
5.5.00.0170.04319.45
5.4.250.0200.06019.14
5.4.240.0200.07318.86
5.4.230.0170.04319.11
5.4.220.0270.06019.23
5.4.210.0200.08019.15
5.4.200.0170.07019.11
5.4.190.0230.06319.07
5.4.180.0200.07019.15
5.4.170.0200.07019.13
5.4.160.0130.04319.10
5.4.150.0130.05019.09
5.4.140.0170.07316.38
5.4.130.0130.06316.33
5.4.120.0170.06016.34
5.4.110.0200.07016.67
5.4.100.0370.03016.28
5.4.90.0170.06716.39
5.4.80.0300.06016.41
5.4.70.0200.06016.26
5.4.60.0230.06316.28
5.4.50.0200.04316.27
5.4.40.0230.03316.36
5.4.30.0230.05016.36
5.4.20.0230.07716.50
5.4.10.0170.03716.27
5.4.00.0270.05315.73
5.3.280.0200.06014.43
5.3.270.0270.06314.57
5.3.260.0230.03714.69
5.3.250.0230.06314.56
5.3.240.0170.06014.48
5.3.230.0200.05014.50
5.3.220.0230.04014.50
5.3.210.0130.04014.49
5.3.200.0200.05714.45
5.3.190.0230.07314.45
5.3.180.0270.03014.44
5.3.170.0170.07014.53
5.3.160.0070.04314.45
5.3.150.0170.05314.52
5.3.140.0130.04314.51
5.3.130.0170.04314.47
5.3.120.0300.06714.48
5.3.110.0230.04314.45
5.3.100.0200.07013.98
5.3.90.0170.07013.98
5.3.80.0170.04014.04
5.3.70.0230.07713.95
5.3.60.0230.06713.94
5.3.50.0230.07313.91
5.3.40.0170.07313.93
5.3.30.0130.05313.88
5.3.20.0200.04713.61
5.3.10.0230.05713.50
5.3.00.0230.04713.57

preferences:
139.36 ms | 1394 KiB | 7 Q