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run code in 300+ PHP versions simultaneously
<?php $tests = [null, 0, '0', '']; foreach ($tests as $test) { var_dump($test); echo " -> " . strlen($test) . "\n"; }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
NULL Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/NLAHc on line 6 -> 0 int(0) -> 1 string(1) "0" -> 1 string(0) "" -> 0
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 NULL Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/NLAHc on line 6 -> 0 int(0) -> 1 string(1) "0" -> 1 string(0) "" -> 0
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
NULL -> 0 int(0) -> 1 string(1) "0" -> 1 string(0) "" -> 0
preferences:
154.14 ms | 402 KiB | 177 Q