3v4l.org

run code in 300+ PHP versions simultaneously
<?php // bloginfo() implementation just for demo purposes: function bloginfo($d) { return ("$d: some brief description ..."); } $blogname = get_bloginfo('name'); if ($blogname == 'Wobbling Willy') { echo '<meta name="description" content=" ?> <?php echo bloginfo('description'); ?> <?php" />'."\n"; echo '<meta name="keywords" content=”keyword1, keyword2, keyword3” />'."\n"; } ?>

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)
7.1.70.0030.01216.90
7.1.60.0220.01334.95
7.1.50.0160.02134.56
7.1.40.0180.01534.18
7.1.30.0180.01534.19
7.1.20.0210.01534.23
7.1.10.0130.00916.38
7.1.00.0050.01216.45
7.0.200.0030.01316.63
7.0.190.0040.01316.52
7.0.180.0080.00815.98
7.0.170.0060.01315.98
7.0.160.0100.00816.27
7.0.150.0140.00616.11
7.0.140.0030.01516.01
7.0.130.0070.01216.36
7.0.120.0030.01216.53
7.0.110.0130.00615.89
7.0.100.0030.01516.18
7.0.90.0060.01016.18
7.0.80.0070.01016.30
7.0.70.0070.01016.23
7.0.60.0030.01315.85
7.0.50.0060.01116.16
7.0.40.0060.01116.34
7.0.30.0070.01216.26
7.0.20.0000.01516.19
7.0.10.0060.00816.31
7.0.00.0050.01016.29

preferences:
139.1 ms | 1394 KiB | 7 Q