3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string="<p> <strong>◎王丹 </strong>說到<strong>曼德拉</strong>,最為人<span style="background-color: rgb(221, 217, 195);">津津樂道</span>的,就是在經歷了三十多年的<span style="line-height: 1.5rem; color: rgb(128, 100, 162);">牢獄困厄</span>之後,他面向監獄門口迎接他的媒體和民眾,向全世界展露出的微笑。其實,微笑,並不僅僅是曼德拉此時此刻刻意營造出的表情,在曼德拉和他的戰友們,為爭取結束南非的種族隔離制度而進行的漫長艱苦的鬥爭歷程中,微笑,可以說成為了一種反抗的標識,反抗的武器,和反抗的象徵。 </p> <p>"; echo mb_strlen( $string);

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)
5.4.280.0130.05312.38
5.4.270.0170.06912.38
5.4.260.0100.05812.38
5.4.250.0100.05512.38
5.4.240.0100.05712.38
5.4.230.0110.06012.37
5.4.220.0100.05412.37
5.4.210.0140.06112.37
5.4.200.0090.05412.37
5.4.190.0120.06012.37
5.4.180.0110.05612.37
5.4.170.0090.04712.38
5.4.160.0130.05212.37
5.4.150.0100.05312.37
5.4.140.0130.07012.06
5.4.130.0090.06412.04
5.4.120.0080.04412.00
5.4.110.0070.04212.00
5.4.100.0100.04812.00
5.4.90.0140.05112.00
5.4.80.0120.04812.00
5.4.70.0090.04512.00
5.4.60.0090.04312.00
5.4.50.0100.04112.00
5.4.40.0080.04711.99
5.4.30.0110.04211.98
5.4.20.0130.05311.98
5.4.10.0100.04811.98
5.4.00.0100.04811.47
5.3.280.0140.06012.71
5.3.270.0110.05012.72
5.3.260.0090.05312.72
5.3.250.0110.05112.72
5.3.240.0090.05012.72
5.3.230.0110.04912.71
5.3.220.0110.06112.68
5.3.210.0100.06112.68
5.3.200.0090.05212.68
5.3.190.0110.05212.67
5.3.180.0100.04812.67
5.3.170.0120.04412.67
5.3.160.0090.06912.67
5.3.150.0130.07112.67
5.3.140.0090.04812.66
5.3.130.0130.04812.66
5.3.120.0130.06312.66
5.3.110.0110.07012.66
5.3.100.0100.05612.12
5.3.90.0180.05712.08
5.3.80.0110.05912.08
5.3.70.0090.05012.08
5.3.60.0090.04112.06
5.3.50.0090.06212.00
5.3.40.0110.04212.00
5.3.30.0120.04611.94
5.3.20.0100.06711.72
5.3.10.0110.04911.69
5.3.00.0120.05111.67

preferences:
138.68 ms | 1386 KiB | 7 Q