3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = 'Fooo <!--NOCACHE_START DEV_PROFILING--> <div class="box box-bdr pam mtm" id="dev_ProfilingButton"> <div class="h3">Profiling (<?php echo(round((microtime(true) - ALI <!--NOCACHE_END--> bar'; $pattern = '/<!--NOCACHE_START\s([A-Za-z_])+-->.*<!--NOCACHE_END-->/sm'; $replace = '$1'; echo preg_replace($pattern, $replace, $subject);

preferences:
38.74 ms | 402 KiB | 5 Q