3v4l.org

run code in 300+ PHP versions simultaneously
<?php $url = ''; $i = 0; $result = 'good'; while ( stristr( $url, 'http' ) !== $url ) { $url = substr( $url, 1 ); $i++; if ( $i > 256 ) { $result = 'bad'; } } var_dump( $result );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.16, 8.3.0 - 8.3.3

Process exited with code 137.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
string(4) "good"

preferences:
119.22 ms | 402 KiB | 150 Q