3v4l.org

run code in 300+ PHP versions simultaneously
<?php if( "0" ) echo "nope\n"; if( "00" ) echo "wat1\n"; if( "-0" ) echo "wat2\n"; if( "0.0" ) echo "wat3\n"; if( 0 == "" ) echo "wat4\n"; if( 0 == " " ) echo "wat5\n"; if( 0 == " wat" ) echo "wat6\n"; if( 0 == "\t" ) echo "wat7\n"; if( 0 == "\r" ) echo "wat8\n"; if( 0 == "\n" ) echo "wat9\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
wat1 wat2 wat3
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
wat1 wat2 wat3 wat4 wat5 wat6 wat7 wat8 wat9
preferences:
132.89 ms | 412 KiB | 5 Q