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run code in 300+ PHP versions simultaneously
<?php echo (isset($a)) ? 'a isset' : 'a is not set'; echo "\n"; echo ($a==0) ? 'a is false' : 'a is true'; echo "\n"; $b = null; echo (isset($b)) ? 'b isset' : 'b is not set'; echo "\n"; echo ($b==0) ? 'b is false' : 'b is true'; echo "\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.2
a is not set Warning: Undefined variable $a in /in/EYUif on line 4 a is false b is not set b is false
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 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
a is not set Notice: Undefined variable: a in /in/EYUif on line 4 a is false b is not set b is false
Output for 7.3.32 - 7.3.33
a is not set a is false b is not set b is false
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218.55 ms | 410 KiB | 5 Q