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run code in 300+ PHP versions simultaneously
<?php $values = array( 'string_empty' => '', 'string_bool_f' => 'false', 'string_bool_t' => 'true', 'int_0' => 0, 'int_1' => 1, 'int_neg' => -100, 'int_norm' => 100, 'array_empty' => array(), 'array_null_val' => array(null), ); $mask = "%-15.15s %7.7s\n"; // Print header printf($mask, 'Name', 'Value'); echo PHP_EOL; foreach ($values as $name => $val) { $empty = empty($val) ? 'true' : 'false'; printf($mask, $name, $empty); }
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Name Value string_empty true string_bool_f false string_bool_t false int_0 true int_1 false int_neg false int_norm false array_empty true array_null_val false
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 Name Value string_empty true string_bool_f false string_bool_t false int_0 true int_1 false int_neg false int_norm false array_empty true array_null_val false
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Name Value Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/vFbvQ on line 19 PHP_EOLstring_empty true string_bool_f false string_bool_t false int_0 true int_1 false int_neg false int_norm false array_empty true array_null_val false

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287.87 ms | 402 KiB | 445 Q